/*--------------------------------------------------------------------------*/
/*	Lightbox	
*	This is a script for creating modal dialog windows (like the ones your operating
*	system uses)
*	
*/

var Lightbox = {
	
	yPos: 0,
	xPos: 0,
	
	/* hideAll - closes all open lightbox windows */
	hideAll: function() {
		if(Browser.IE) {
			this.setScroll(0,this.yPos);
			this.prepareIE("auto", "auto");
			this.hideSelects("visible");
		}
		
		lboxes = $$('.lbox');
		lboxes.each(function(box){
				box.update('');
				Element.hide(box);
			}
		)
		if ($('overlay')){
			Element.hide('overlay');
		}
		$('lightbox').update("");
	},
	
	setScroll: function(x, y){
		window.scrollTo(x, y); 
	},

	hideSelects: function(visibility){
		selects = document.getElementsByTagName('select');
		for(i = 0; i < selects.length; i++) {
			selects[i].style.visibility = visibility;
		}
	},

	prepareIE: function(height, overflow){
		bod = document.getElementsByTagName('body')[0];
		bod.style.height = height;
		// bod.style.overflow = overflow;
  

		htm = document.getElementsByTagName('html')[0];
		htm.style.height = height;
		htm.style.overflowY = overflow; 
		htm.style.overflowX = 'hidden';
	},
	
	getScroll: function(){
		if (self.pageYOffset) {
			this.yPos = self.pageYOffset;
		} else if (document.documentElement && document.documentElement.scrollTop){
			this.yPos = document.documentElement.scrollTop; 
		} else if (document.body) {
			this.yPos = document.body.scrollTop;
		}
	}
}

Lightbox.base = Class.create();
Lightbox.base.prototype = {

	initialize: function(element, options){
		this.element = $(element);
		this.options = Object.extend({
			lightboxClassName : '',
			closeOnOverlayClick : false,
			externalControl : false
		}, options || {} );

		//create the overlay
		new Insertion.Before(this.element, "<div id='overlay' style='display: none'></div>");
		
		Element.addClassName(this.element, this.options.lightboxClassName);
	
		//also add a default lbox class to the lightbox div so we can find and close all lightboxes if we need to
		Element.addClassName(this.element, 'lbox');
		
		if (this.options.closeOnOverlayClick){
			Event.observe($('overlay'), 'click', this.hideBox.bindAsEventListener(this) );
		}
		if (this.options.externalControl){
			Event.observe($(this.options.externalControl), 'click', this.hideBox.bindAsEventListener(this) );
		}
	},
	
	showBox : function(){
		//show the overlay
		if(Browser.IE) {
			Lightbox.getScroll();
			Lightbox.prepareIE('100%', 'hidden');
			Lightbox.setScroll(0,0);
			Lightbox.hideSelects('hidden');
		}
		
	   Element.show('overlay');

		//center the lightbox
	   this.center();
	   
	   	//show the lightbox
	   Element.show(this.element);
	   return false;
	},
	
	hideBox : function(evt){	
		if(Browser.IE) {
			Lightbox.setScroll(0,Lightbox.yPos);
			Lightbox.prepareIE("auto", "auto");
			Lightbox.hideSelects("visible");
		}
		
		Element.removeClassName(this.element, this.options.lightboxClassName);
		Element.hide(this.element);
		//remove the overlay element from the DOM completely
		Element.hide('overlay');
		return false;
	},
		
	center : function(){
		var object = $('lightbox');
		object.style.marginLeft = "-" + parseInt(object.offsetWidth / 2) + "px";
	  object.style.marginTop = "-" + parseInt(object.offsetHeight / 2) + "px";
	}
}



// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2007 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
// 
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

if(Object.isUndefined(Effect))
  throw("dragdrop.js requires including script.aculo.us' effects.js library");

var Droppables = {
  drops: [],

  remove: function(element) {
    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
  },

  add: function(element) {
    element = $(element);
    var options = Object.extend({
      greedy:     true,
      hoverclass: null,
      tree:       false
    }, arguments[1] || { });

    // cache containers
    if(options.containment) {
      options._containers = [];
      var containment = options.containment;
      if(Object.isArray(containment)) {
        containment.each( function(c) { options._containers.push($(c)) });
      } else {
        options._containers.push($(containment));
      }
    }
    
    if(options.accept) options.accept = [options.accept].flatten();

    Element.makePositioned(element); // fix IE
    options.element = element;

    this.drops.push(options);
  },
  
  findDeepestChild: function(drops) {
    deepest = drops[0];
      
    for (i = 1; i < drops.length; ++i)
      if (Element.isParent(drops[i].element, deepest.element))
        deepest = drops[i];
    
    return deepest;
  },

  isContained: function(element, drop) {
    var containmentNode;
    if(drop.tree) {
      containmentNode = element.treeNode; 
    } else {
      containmentNode = element.parentNode;
    }
    return drop._containers.detect(function(c) { return containmentNode == c });
  },
  
  isAffected: function(point, element, drop) {
    return (
      (drop.element!=element) &&
      ((!drop._containers) ||
        this.isContained(element, drop)) &&
      ((!drop.accept) ||
        (Element.classNames(element).detect( 
          function(v) { return drop.accept.include(v) } ) )) &&
      Position.within(drop.element, point[0], point[1]) );
  },

  deactivate: function(drop) {
    if(drop.hoverclass)
      Element.removeClassName(drop.element, drop.hoverclass);
    this.last_active = null;
  },

  activate: function(drop) {
    if(drop.hoverclass)
      Element.addClassName(drop.element, drop.hoverclass);
    this.last_active = drop;
  },

  show: function(point, element) {
    if(!this.drops.length) return;
    var drop, affected = [];
    
    this.drops.each( function(drop) {
      if(Droppables.isAffected(point, element, drop))
        affected.push(drop);
    });
        
    if(affected.length>0)
      drop = Droppables.findDeepestChild(affected);

    if(this.last_active && this.last_active != drop) this.deactivate(this.last_active);
    if (drop) {
      Position.within(drop.element, point[0], point[1]);
      if(drop.onHover)
        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
      
      if (drop != this.last_active) Droppables.activate(drop);
    }
  },

  fire: function(event, element) {
    if(!this.last_active) return;
    Position.prepare();

    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
      if (this.last_active.onDrop) {
        this.last_active.onDrop(element, this.last_active.element, event); 
        return true; 
      }
  },

  reset: function() {
    if(this.last_active)
      this.deactivate(this.last_active);
  }
}

var Draggables = {
  drags: [],
  observers: [],
  
  register: function(draggable) {
    if(this.drags.length == 0) {
      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
      this.eventKeypress  = this.keyPress.bindAsEventListener(this);
      
      Event.observe(document, "mouseup", this.eventMouseUp);
      Event.observe(document, "mousemove", this.eventMouseMove);
      Event.observe(document, "keypress", this.eventKeypress);
    }
    this.drags.push(draggable);
  },
  
  unregister: function(draggable) {
    this.drags = this.drags.reject(function(d) { return d==draggable });
    if(this.drags.length == 0) {
      Event.stopObserving(document, "mouseup", this.eventMouseUp);
      Event.stopObserving(document, "mousemove", this.eventMouseMove);
      Event.stopObserving(document, "keypress", this.eventKeypress);
    }
  },
  
  activate: function(draggable) {
    if(draggable.options.delay) { 
      this._timeout = setTimeout(function() { 
        Draggables._timeout = null; 
        window.focus(); 
        Draggables.activeDraggable = draggable; 
      }.bind(this), draggable.options.delay); 
    } else {
      window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
      this.activeDraggable = draggable;
    }
  },
  
  deactivate: function() {
    this.activeDraggable = null;
  },
  
  updateDrag: function(event) {
    if(!this.activeDraggable) return;
    var pointer = [Event.pointerX(event), Event.pointerY(event)];
    // Mozilla-based browsers fire successive mousemove events with
    // the same coordinates, prevent needless redrawing (moz bug?)
    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
    this._lastPointer = pointer;
    
    this.activeDraggable.updateDrag(event, pointer);
  },
  
  endDrag: function(event) {
    if(this._timeout) { 
      clearTimeout(this._timeout); 
      this._timeout = null; 
    }
    if(!this.activeDraggable) return;
    this._lastPointer = null;
    this.activeDraggable.endDrag(event);
    this.activeDraggable = null;
  },
  
  keyPress: function(event) {
    if(this.activeDraggable)
      this.activeDraggable.keyPress(event);
  },
  
  addObserver: function(observer) {
    this.observers.push(observer);
    this._cacheObserverCallbacks();
  },
  
  removeObserver: function(element) {  // element instead of observer fixes mem leaks
    this.observers = this.observers.reject( function(o) { return o.element==element });
    this._cacheObserverCallbacks();
  },
  
  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
    if(this[eventName+'Count'] > 0)
      this.observers.each( function(o) {
        if(o[eventName]) o[eventName](eventName, draggable, event);
      });
    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
  },
  
  _cacheObserverCallbacks: function() {
    ['onStart','onEnd','onDrag'].each( function(eventName) {
      Draggables[eventName+'Count'] = Draggables.observers.select(
        function(o) { return o[eventName]; }
      ).length;
    });
  }
}

/*--------------------------------------------------------------------------*/

var Draggable = Class.create({
  initialize: function(element) {
    var defaults = {
      handle: false,
      reverteffect: function(element, top_offset, left_offset) {
        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
          queue: {scope:'_draggable', position:'end'}
        });
      },
      endeffect: function(element) {
        var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0;
        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, 
          queue: {scope:'_draggable', position:'end'},
          afterFinish: function(){ 
            Draggable._dragging[element] = false 
          }
        }); 
      },
      zindex: 1000,
      revert: false,
      quiet: false,
      scroll: false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
      delay: 0
    };
    
    if(!arguments[1] || Object.isUndefined(arguments[1].endeffect))
      Object.extend(defaults, {
        starteffect: function(element) {
          element._opacity = Element.getOpacity(element);
          Draggable._dragging[element] = true;
          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); 
        }
      });
    
    var options = Object.extend(defaults, arguments[1] || { });

    this.element = $(element);
    
    if(options.handle && Object.isString(options.handle))
      this.handle = this.element.down('.'+options.handle, 0);
    
    if(!this.handle) this.handle = $(options.handle);
    if(!this.handle) this.handle = this.element;
    
    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
      options.scroll = $(options.scroll);
      this._isScrollChild = Element.childOf(this.element, options.scroll);
    }

    Element.makePositioned(this.element); // fix IE    

    this.options  = options;
    this.dragging = false;   

    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
    Event.observe(this.handle, "mousedown", this.eventMouseDown);
    
    Draggables.register(this);
  },
  
  destroy: function() {
    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
    Draggables.unregister(this);
  },
  
  currentDelta: function() {
    return([
      parseInt(Element.getStyle(this.element,'left') || '0'),
      parseInt(Element.getStyle(this.element,'top') || '0')]);
  },
  
  initDrag: function(event) {
    if(!Object.isUndefined(Draggable._dragging[this.element]) &&
      Draggable._dragging[this.element]) return;
    if(Event.isLeftClick(event)) {    
      // abort on form elements, fixes a Firefox issue
      var src = Event.element(event);
      if((tag_name = src.tagName.toUpperCase()) && (
        tag_name=='INPUT' ||
        tag_name=='SELECT' ||
        tag_name=='OPTION' ||
        tag_name=='BUTTON' ||
        tag_name=='TEXTAREA')) return;
        
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      var pos     = Position.cumulativeOffset(this.element);
      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });
      
      Draggables.activate(this);
      Event.stop(event);
    }
  },
  
  startDrag: function(event) {
    this.dragging = true;
    if(!this.delta)
      this.delta = this.currentDelta();
    
    if(this.options.zindex) {
      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
      this.element.style.zIndex = this.options.zindex;
    }
    
    if(this.options.ghosting) {
      this._clone = this.element.cloneNode(true);
      this.element._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
      if (!this.element._originallyAbsolute)
        Position.absolutize(this.element);
      this.element.parentNode.insertBefore(this._clone, this.element);
    }
    
    if(this.options.scroll) {
      if (this.options.scroll == window) {
        var where = this._getWindowScroll(this.options.scroll);
        this.originalScrollLeft = where.left;
        this.originalScrollTop = where.top;
      } else {
        this.originalScrollLeft = this.options.scroll.scrollLeft;
        this.originalScrollTop = this.options.scroll.scrollTop;
      }
    }
    
    Draggables.notify('onStart', this, event);
        
    if(this.options.starteffect) this.options.starteffect(this.element);
  },
  
  updateDrag: function(event, pointer) {
    if(!this.dragging) this.startDrag(event);
    
    if(!this.options.quiet){
      Position.prepare();
      Droppables.show(pointer, this.element);
    }
    
    Draggables.notify('onDrag', this, event);
    
    this.draw(pointer);
    if(this.options.change) this.options.change(this);
    
    if(this.options.scroll) {
      this.stopScrolling();
      
      var p;
      if (this.options.scroll == window) {
        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
      } else {
        p = Position.page(this.options.scroll);
        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
        p[1] += this.options.scroll.scrollTop + Position.deltaY;
        p.push(p[0]+this.options.scroll.offsetWidth);
        p.push(p[1]+this.options.scroll.offsetHeight);
      }
      var speed = [0,0];
      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
      this.startScrolling(speed);
    }
    
    // fix AppleWebKit rendering
    if(Prototype.Browser.WebKit) window.scrollBy(0,0);
    
    Event.stop(event);
  },
  
  finishDrag: function(event, success) {
    this.dragging = false;
    
    if(this.options.quiet){
      Position.prepare();
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      Droppables.show(pointer, this.element);
    }

    if(this.options.ghosting) {
      if (!this.element._originallyAbsolute)
        Position.relativize(this.element);
      delete this.element._originallyAbsolute;
      Element.remove(this._clone);
      this._clone = null;
    }

    var dropped = false; 
    if(success) { 
      dropped = Droppables.fire(event, this.element); 
      if (!dropped) dropped = false; 
    }
    if(dropped && this.options.onDropped) this.options.onDropped(this.element);
    Draggables.notify('onEnd', this, event);

    var revert = this.options.revert;
    if(revert && Object.isFunction(revert)) revert = revert(this.element);
    
    var d = this.currentDelta();
    if(revert && this.options.reverteffect) {
      if (dropped == 0 || revert != 'failure')
        this.options.reverteffect(this.element,
          d[1]-this.delta[1], d[0]-this.delta[0]);
    } else {
      this.delta = d;
    }

    if(this.options.zindex)
      this.element.style.zIndex = this.originalZ;

    if(this.options.endeffect) 
      this.options.endeffect(this.element);
      
    Draggables.deactivate(this);
    Droppables.reset();
  },
  
  keyPress: function(event) {
    if(event.keyCode!=Event.KEY_ESC) return;
    this.finishDrag(event, false);
    Event.stop(event);
  },
  
  endDrag: function(event) {
    if(!this.dragging) return;
    this.stopScrolling();
    this.finishDrag(event, true);
    Event.stop(event);
  },
  
  draw: function(point) {
    var pos = Position.cumulativeOffset(this.element);
    if(this.options.ghosting) {
      var r   = Position.realOffset(this.element);
      pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
    }
    
    var d = this.currentDelta();
    pos[0] -= d[0]; pos[1] -= d[1];
    
    if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
    }
    
    var p = [0,1].map(function(i){ 
      return (point[i]-pos[i]-this.offset[i]) 
    }.bind(this));
    
    if(this.options.snap) {
      if(Object.isFunction(this.options.snap)) {
        p = this.options.snap(p[0],p[1],this);
      } else {
      if(Object.isArray(this.options.snap)) {
        p = p.map( function(v, i) {
          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this))
      } else {
        p = p.map( function(v) {
          return (v/this.options.snap).round()*this.options.snap }.bind(this))
      }
    }}
    
    var style = this.element.style;
    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
      style.left = p[0] + "px";
    if((!this.options.constraint) || (this.options.constraint=='vertical'))
      style.top  = p[1] + "px";
    
    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
  },
  
  stopScrolling: function() {
    if(this.scrollInterval) {
      clearInterval(this.scrollInterval);
      this.scrollInterval = null;
      Draggables._lastScrollPointer = null;
    }
  },
  
  startScrolling: function(speed) {
    if(!(speed[0] || speed[1])) return;
    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
    this.lastScrolled = new Date();
    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
  },
  
  scroll: function() {
    var current = new Date();
    var delta = current - this.lastScrolled;
    this.lastScrolled = current;
    if(this.options.scroll == window) {
      with (this._getWindowScroll(this.options.scroll)) {
        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
          var d = delta / 1000;
          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
        }
      }
    } else {
      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
    }
    
    Position.prepare();
    Droppables.show(Draggables._lastPointer, this.element);
    Draggables.notify('onDrag', this);
    if (this._isScrollChild) {
      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
      if (Draggables._lastScrollPointer[0] < 0)
        Draggables._lastScrollPointer[0] = 0;
      if (Draggables._lastScrollPointer[1] < 0)
        Draggables._lastScrollPointer[1] = 0;
      this.draw(Draggables._lastScrollPointer);
    }
    
    if(this.options.change) this.options.change(this);
  },
  
  _getWindowScroll: function(w) {
    var T, L, W, H;
    with (w.document) {
      if (w.document.documentElement && documentElement.scrollTop) {
        T = documentElement.scrollTop;
        L = documentElement.scrollLeft;
      } else if (w.document.body) {
        T = body.scrollTop;
        L = body.scrollLeft;
      }
      if (w.innerWidth) {
        W = w.innerWidth;
        H = w.innerHeight;
      } else if (w.document.documentElement && documentElement.clientWidth) {
        W = documentElement.clientWidth;
        H = documentElement.clientHeight;
      } else {
        W = body.offsetWidth;
        H = body.offsetHeight
      }
    }
    return { top: T, left: L, width: W, height: H };
  }
});

Draggable._dragging = { };

/*--------------------------------------------------------------------------*/

var SortableObserver = Class.create({
  initialize: function(element, observer) {
    this.element   = $(element);
    this.observer  = observer;
    this.lastValue = Sortable.serialize(this.element);
  },
  
  onStart: function() {
    this.lastValue = Sortable.serialize(this.element);
  },
  
  onEnd: function() {
    Sortable.unmark();
    if(this.lastValue != Sortable.serialize(this.element))
      this.observer(this.element)
  }
});

var Sortable = {
  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
  
  sortables: { },
  
  _findRootElement: function(element) {
    while (element.tagName.toUpperCase() != "BODY") {  
      if(element.id && Sortable.sortables[element.id]) return element;
      element = element.parentNode;
    }
  },

  options: function(element) {
    element = Sortable._findRootElement($(element));
    if(!element) return;
    return Sortable.sortables[element.id];
  },
  
  destroy: function(element){
    var s = Sortable.options(element);
    
    if(s) {
      Draggables.removeObserver(s.element);
      s.droppables.each(function(d){ Droppables.remove(d) });
      s.draggables.invoke('destroy');
      
      delete Sortable.sortables[s.element.id];
    }
  },

  create: function(element) {
    element = $(element);
    var options = Object.extend({ 
      element:     element,
      tag:         'li',       // assumes li children, override with tag: 'tagname'
      dropOnEmpty: false,
      tree:        false,
      treeTag:     'ul',
      overlap:     'vertical', // one of 'vertical', 'horizontal'
      constraint:  'vertical', // one of 'vertical', 'horizontal', false
      containment: element,    // also takes array of elements (or id's); or false
      handle:      false,      // or a CSS class
      only:        false,
      delay:       0,
      hoverclass:  null,
      ghosting:    false,
      quiet:       false, 
      scroll:      false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      format:      this.SERIALIZE_RULE,
      
      // these take arrays of elements or ids and can be 
      // used for better initialization performance
      elements:    false,
      handles:     false,
      
      onChange:    Prototype.emptyFunction,
      onUpdate:    Prototype.emptyFunction
    }, arguments[1] || { });

    // clear any old sortable with same element
    this.destroy(element);

    // build options for the draggables
    var options_for_draggable = {
      revert:      true,
      quiet:       options.quiet,
      scroll:      options.scroll,
      scrollSpeed: options.scrollSpeed,
      scrollSensitivity: options.scrollSensitivity,
      delay:       options.delay,
      ghosting:    options.ghosting,
      constraint:  options.constraint,
      handle:      options.handle };

    if(options.starteffect)
      options_for_draggable.starteffect = options.starteffect;

    if(options.reverteffect)
      options_for_draggable.reverteffect = options.reverteffect;
    else
      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
        element.style.top  = 0;
        element.style.left = 0;
      };

    if(options.endeffect)
      options_for_draggable.endeffect = options.endeffect;

    if(options.zindex)
      options_for_draggable.zindex = options.zindex;

    // build options for the droppables  
    var options_for_droppable = {
      overlap:     options.overlap,
      containment: options.containment,
      tree:        options.tree,
      hoverclass:  options.hoverclass,
      onHover:     Sortable.onHover
    }
    
    var options_for_tree = {
      onHover:      Sortable.onEmptyHover,
      overlap:      options.overlap,
      containment:  options.containment,
      hoverclass:   options.hoverclass
    }

    // fix for gecko engine
    Element.cleanWhitespace(element); 

    options.draggables = [];
    options.droppables = [];

    // drop on empty handling
    if(options.dropOnEmpty || options.tree) {
      Droppables.add(element, options_for_tree);
      options.droppables.push(element);
    }

    (options.elements || this.findElements(element, options) || []).each( function(e,i) {
      var handle = options.handles ? $(options.handles[i]) :
        (options.handle ? $(e).select('.' + options.handle)[0] : e); 
      options.draggables.push(
        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
      Droppables.add(e, options_for_droppable);
      if(options.tree) e.treeNode = element;
      options.droppables.push(e);      
    });
    
    if(options.tree) {
      (Sortable.findTreeElements(element, options) || []).each( function(e) {
        Droppables.add(e, options_for_tree);
        e.treeNode = element;
        options.droppables.push(e);
      });
    }

    // keep reference
    this.sortables[element.id] = options;

    // for onupdate
    Draggables.addObserver(new SortableObserver(element, options.onUpdate));

  },

  // return all suitable-for-sortable elements in a guaranteed order
  findElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.tag);
  },
  
  findTreeElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.treeTag);
  },

  onHover: function(element, dropon, overlap) {
    if(Element.isParent(dropon, element)) return;

    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
      return;
    } else if(overlap>0.5) {
      Sortable.mark(dropon, 'before');
      if(dropon.previousSibling != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, dropon);
        if(dropon.parentNode!=oldParentNode) 
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    } else {
      Sortable.mark(dropon, 'after');
      var nextElement = dropon.nextSibling || null;
      if(nextElement != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, nextElement);
        if(dropon.parentNode!=oldParentNode) 
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    }
  },
  
  onEmptyHover: function(element, dropon, overlap) {
    var oldParentNode = element.parentNode;
    var droponOptions = Sortable.options(dropon);
        
    if(!Element.isParent(dropon, element)) {
      var index;
      
      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
      var child = null;
            
      if(children) {
        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
        
        for (index = 0; index < children.length; index += 1) {
          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
            offset -= Element.offsetSize (children[index], droponOptions.overlap);
          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
            child = index + 1 < children.length ? children[index + 1] : null;
            break;
          } else {
            child = children[index];
            break;
          }
        }
      }
      
      dropon.insertBefore(element, child);
      
      Sortable.options(oldParentNode).onChange(element);
      droponOptions.onChange(element);
    }
  },

  unmark: function() {
    if(Sortable._marker) Sortable._marker.hide();
  },

  mark: function(dropon, position) {
    // mark on ghosting only
    var sortable = Sortable.options(dropon.parentNode);
    if(sortable && !sortable.ghosting) return; 

    if(!Sortable._marker) {
      Sortable._marker = 
        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
          hide().addClassName('dropmarker').setStyle({position:'absolute'});
      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
    }    
    var offsets = Position.cumulativeOffset(dropon);
    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});
    
    if(position=='after')
      if(sortable.overlap == 'horizontal') 
        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
      else
        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});
    
    Sortable._marker.show();
  },
  
  _tree: function(element, options, parent) {
    var children = Sortable.findElements(element, options) || [];
  
    for (var i = 0; i < children.length; ++i) {
      var match = children[i].id.match(options.format);

      if (!match) continue;
      
      var child = {
        id: encodeURIComponent(match ? match[1] : null),
        element: element,
        parent: parent,
        children: [],
        position: parent.children.length,
        container: $(children[i]).down(options.treeTag)
      }
      
      /* Get the element containing the children and recurse over it */
      if (child.container)
        this._tree(child.container, options, child)
      
      parent.children.push (child);
    }

    return parent; 
  },

  tree: function(element) {
    element = $(element);
    var sortableOptions = this.options(element);
    var options = Object.extend({
      tag: sortableOptions.tag,
      treeTag: sortableOptions.treeTag,
      only: sortableOptions.only,
      name: element.id,
      format: sortableOptions.format
    }, arguments[1] || { });
    
    var root = {
      id: null,
      parent: null,
      children: [],
      container: element,
      position: 0
    }
    
    return Sortable._tree(element, options, root);
  },

  /* Construct a [i] index for a particular node */
  _constructIndex: function(node) {
    var index = '';
    do {
      if (node.id) index = '[' + node.position + ']' + index;
    } while ((node = node.parent) != null);
    return index;
  },

  sequence: function(element) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[1] || { });
    
    return $(this.findElements(element, options) || []).map( function(item) {
      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
    });
  },

  setSequence: function(element, new_sequence) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[2] || { });
    
    var nodeMap = { };
    this.findElements(element, options).each( function(n) {
        if (n.id.match(options.format))
            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
        n.parentNode.removeChild(n);
    });
   
    new_sequence.each(function(ident) {
      var n = nodeMap[ident];
      if (n) {
        n[1].appendChild(n[0]);
        delete nodeMap[ident];
      }
    });
  },
  
  serialize: function(element) {
    element = $(element);
    var options = Object.extend(Sortable.options(element), arguments[1] || { });
    var name = encodeURIComponent(
      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);
    
    if (options.tree) {
      return Sortable.tree(element, arguments[1]).children.map( function (item) {
        return [name + Sortable._constructIndex(item) + "[id]=" + 
                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
      }).flatten().join('&');
    } else {
      return Sortable.sequence(element, arguments[1]).map( function(item) {
        return name + "[]=" + encodeURIComponent(item);
      }).join('&');
    }
  }
}

// Returns true if child is contained within element
Element.isParent = function(child, element) {
  if (!child.parentNode || child == element) return false;
  if (child.parentNode == element) return true;
  return Element.isParent(child.parentNode, element);
}

Element.findChildren = function(element, only, recursive, tagName) {   
  if(!element.hasChildNodes()) return null;
  tagName = tagName.toUpperCase();
  if(only) only = [only].flatten();
  var elements = [];
  $A(element.childNodes).each( function(e) {
    if(e.tagName && e.tagName.toUpperCase()==tagName &&
      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
        elements.push(e);
    if(recursive) {
      var grandchildren = Element.findChildren(e, only, recursive, tagName);
      if(grandchildren) elements.push(grandchildren);
    }
  });

  return (elements.length>0 ? elements.flatten() : []);
}

Element.offsetSize = function (element, type) {
  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
}


// script.aculo.us builder.js v1.7.0, Fri Jan 19 19:16:36 CET 2007

// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Builder = {
  NODEMAP: {
    AREA: 'map',
    CAPTION: 'table',
    COL: 'table',
    COLGROUP: 'table',
    LEGEND: 'fieldset',
    OPTGROUP: 'select',
    OPTION: 'select',
    PARAM: 'object',
    TBODY: 'table',
    TD: 'table',
    TFOOT: 'table',
    TH: 'table',
    THEAD: 'table',
    TR: 'table'
  },
  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
  //       due to a Firefox bug
  node: function(elementName) {
    elementName = elementName.toUpperCase();
    
    // try innerHTML approach
    var parentTag = this.NODEMAP[elementName] || 'div';
    var parentElement = document.createElement(parentTag);
    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
    } catch(e) {}
    var element = parentElement.firstChild || null;
      
    // see if browser added wrapping tags
    if(element && (element.tagName.toUpperCase() != elementName))
      element = element.getElementsByTagName(elementName)[0];
    
    // fallback to createElement approach
    if(!element) element = document.createElement(elementName);
    
    // abort if nothing could be created
    if(!element) return;

    // attributes (or text)
    if(arguments[1])
      if(this._isStringOrNumber(arguments[1]) ||
        (arguments[1] instanceof Array)) {
          this._children(element, arguments[1]);
        } else {
          var attrs = this._attributes(arguments[1]);
          if(attrs.length) {
            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
              parentElement.innerHTML = "<" +elementName + " " +
                attrs + "></" + elementName + ">";
            } catch(e) {}
            element = parentElement.firstChild || null;
            // workaround firefox 1.0.X bug
            if(!element) {
              element = document.createElement(elementName);
              for(attr in arguments[1]) 
                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
            }
            if(element.tagName.toUpperCase() != elementName)
              element = parentElement.getElementsByTagName(elementName)[0];
            }
        } 

    // text, or array of children
    if(arguments[2])
      this._children(element, arguments[2]);

     return element;
  },
  _text: function(text) {
     return document.createTextNode(text);
  },

  ATTR_MAP: {
    'className': 'class',
    'htmlFor': 'for'
  },

  _attributes: function(attributes) {
    var attrs = [];
    for(attribute in attributes)
      attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
          '="' + attributes[attribute].toString().escapeHTML() + '"');
    return attrs.join(" ");
  },
  _children: function(element, children) {
    if(typeof children=='object') { // array can hold nodes and text
      children.flatten().each( function(e) {
        if(typeof e=='object')
          element.appendChild(e)
        else
          if(Builder._isStringOrNumber(e))
            element.appendChild(Builder._text(e));
      });
    } else
      if(Builder._isStringOrNumber(children)) 
         element.appendChild(Builder._text(children));
  },
  _isStringOrNumber: function(param) {
    return(typeof param=='string' || typeof param=='number');
  },
  build: function(html) {
    var element = this.node('div');
    $(element).update(html.strip());
    return element.down();
  },
  dump: function(scope) { 
    if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope 
  
    var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
      "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
      "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
      "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
      "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
      "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
  
    tags.each( function(tag){ 
      scope[tag] = function() { 
        return Builder.node.apply(Builder, [tag].concat($A(arguments)));  
      } 
    });
  }
}


/** 
 * Copyright (c) 2006, David Spurr (http://www.defusion.org.uk/)
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *     * Neither the name of the David Spurr nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * http://www.opensource.org/licenses/bsd-license.php
 * 
 * See scriptaculous.js for full scriptaculous licence
 */

var CropDraggable=Class.create();
Object.extend(Object.extend(CropDraggable.prototype,Draggable.prototype),{initialize:function(_1){
this.options=Object.extend({drawMethod:function(){
}},arguments[1]||{});
this.element=$(_1);
this.handle=this.element;
this.delta=this.currentDelta();
this.dragging=false;
this.eventMouseDown=this.initDrag.bindAsEventListener(this);
Event.observe(this.handle,"mousedown",this.eventMouseDown);
Draggables.register(this);
},draw:function(_2){
var _3=Position.cumulativeOffset(this.element);
var d=this.currentDelta();
_3[0]-=d[0];
_3[1]-=d[1];
var p=[0,1].map(function(i){
return (_2[i]-_3[i]-this.offset[i]);
}.bind(this));
this.options.drawMethod(p);
}});
var Cropper={};
Cropper.Img=Class.create();
Cropper.Img.prototype={initialize:function(_7,_8){
this.options=Object.extend({ratioDim:{x:0,y:0},minWidth:0,minHeight:0,displayOnInit:false,onEndCrop:Prototype.emptyFunction,captureKeys:true,onloadCoords:null,maxWidth:0,maxHeight:0},_8||{});
this.img=$(_7);
this.clickCoords={x:0,y:0};
this.dragging=false;
this.resizing=false;
this.isWebKit=/Konqueror|Safari|KHTML/.test(navigator.userAgent);
this.isIE=/MSIE/.test(navigator.userAgent);
this.isOpera8=/Opera\s[1-8]/.test(navigator.userAgent);
this.ratioX=0;
this.ratioY=0;
this.attached=false;
this.fixedWidth=(this.options.maxWidth>0&&(this.options.minWidth>=this.options.maxWidth));
this.fixedHeight=(this.options.maxHeight>0&&(this.options.minHeight>=this.options.maxHeight));
if(typeof this.img=="undefined"){
return;
}
$A(document.getElementsByTagName("script")).each(function(s){
if(s.src.match(/cropper\.js/)){
var _a=s.src.replace(/cropper\.js(.*)?/,"");
var _b=document.createElement("link");
_b.rel="stylesheet";
_b.type="text/css";
_b.href="cropper.css";
_b.media="screen";
document.getElementsByTagName("head")[0].appendChild(_b);
}
});
if(this.options.ratioDim.x>0&&this.options.ratioDim.y>0){
var _c=this.getGCD(this.options.ratioDim.x,this.options.ratioDim.y);
this.ratioX=this.options.ratioDim.x/_c;
this.ratioY=this.options.ratioDim.y/_c;
}
this.subInitialize();
if(this.img.complete||this.isWebKit){
this.onLoad();
}else{
Event.observe(this.img,"load",this.onLoad.bindAsEventListener(this));
}
},getGCD:function(a,b){
if(b==0){
return a;
}
return this.getGCD(b,a%b);
},onLoad:function(){
var _f="imgCrop_";
var _10=this.img.parentNode;
var _11="";
if(this.isOpera8){
_11=" opera8";
}
this.imgWrap=Builder.node("div",{"class":_f+"wrap"+_11});
this.north=Builder.node("div",{"class":_f+"overlay "+_f+"north"},[Builder.node("span")]);
this.east=Builder.node("div",{"class":_f+"overlay "+_f+"east"},[Builder.node("span")]);
this.south=Builder.node("div",{"class":_f+"overlay "+_f+"south"},[Builder.node("span")]);
this.west=Builder.node("div",{"class":_f+"overlay "+_f+"west"},[Builder.node("span")]);
var _12=[this.north,this.east,this.south,this.west];
this.dragArea=Builder.node("div",{"class":_f+"dragArea"},_12);
this.handleN=Builder.node("div",{"class":_f+"handle "+_f+"handleN"});
this.handleNE=Builder.node("div",{"class":_f+"handle "+_f+"handleNE"});
this.handleE=Builder.node("div",{"class":_f+"handle "+_f+"handleE"});
this.handleSE=Builder.node("div",{"class":_f+"handle "+_f+"handleSE"});
this.handleS=Builder.node("div",{"class":_f+"handle "+_f+"handleS"});
this.handleSW=Builder.node("div",{"class":_f+"handle "+_f+"handleSW"});
this.handleW=Builder.node("div",{"class":_f+"handle "+_f+"handleW"});
this.handleNW=Builder.node("div",{"class":_f+"handle "+_f+"handleNW"});
this.selArea=Builder.node("div",{"class":_f+"selArea"},[Builder.node("div",{"class":_f+"marqueeHoriz "+_f+"marqueeNorth"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeVert "+_f+"marqueeEast"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeHoriz "+_f+"marqueeSouth"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeVert "+_f+"marqueeWest"},[Builder.node("span")]),this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW,Builder.node("div",{"class":_f+"clickArea"})]);
this.imgWrap.appendChild(this.img);
this.imgWrap.appendChild(this.dragArea);
this.dragArea.appendChild(this.selArea);
this.dragArea.appendChild(Builder.node("div",{"class":_f+"clickArea"}));
_10.appendChild(this.imgWrap);
this.startDragBind=this.startDrag.bindAsEventListener(this);
Event.observe(this.dragArea,"mousedown",this.startDragBind);
this.onDragBind=this.onDrag.bindAsEventListener(this);
Event.observe(document,"mousemove",this.onDragBind);
this.endCropBind=this.endCrop.bindAsEventListener(this);
Event.observe(document,"mouseup",this.endCropBind);
this.resizeBind=this.startResize.bindAsEventListener(this);
this.handles=[this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW];
this.registerHandles(true);
if(this.options.captureKeys){
this.keysBind=this.handleKeys.bindAsEventListener(this);
Event.observe(document,"keypress",this.keysBind);
}
new CropDraggable(this.selArea,{drawMethod:this.moveArea.bindAsEventListener(this)});
this.setParams();
},registerHandles:function(_13){
for(var i=0;i<this.handles.length;i++){
var _15=$(this.handles[i]);
if(_13){
var _16=false;
if(this.fixedWidth&&this.fixedHeight){
_16=true;
}else{
if(this.fixedWidth||this.fixedHeight){
var _17=_15.className.match(/([S|N][E|W])$/);
var _18=_15.className.match(/(E|W)$/);
var _19=_15.className.match(/(N|S)$/);
if(_17){
_16=true;
}else{
if(this.fixedWidth&&_18){
_16=true;
}else{
if(this.fixedHeight&&_19){
_16=true;
}
}
}
}
}
if(_16){
_15.hide();
}else{
Event.observe(_15,"mousedown",this.resizeBind);
}
}else{
_15.show();
Event.stopObserving(_15,"mousedown",this.resizeBind);
}
}
},setParams:function(){
this.imgW=this.img.width;
this.imgH=this.img.height;
$(this.north).setStyle({height:0});
$(this.east).setStyle({width:0,height:0});
$(this.south).setStyle({height:0});
$(this.west).setStyle({width:0,height:0});
$(this.imgWrap).setStyle({"width":this.imgW+"px","height":this.imgH+"px"});
$(this.selArea).hide();
var _1a={x1:0,y1:0,x2:0,y2:0};
var _1b=false;
if(this.options.onloadCoords!=null){
_1a=this.cloneCoords(this.options.onloadCoords);
_1b=true;
}else{
if(this.options.ratioDim.x>0&&this.options.ratioDim.y>0){
_1a.x1=Math.ceil((this.imgW-this.options.ratioDim.x)/2);
_1a.y1=Math.ceil((this.imgH-this.options.ratioDim.y)/2);
_1a.x2=_1a.x1+this.options.ratioDim.x;
_1a.y2=_1a.y1+this.options.ratioDim.y;
_1b=true;
}
}
this.setAreaCoords(_1a,false,false,1);
if(this.options.displayOnInit&&_1b){
this.selArea.show();
this.drawArea();
this.endCrop();
}
this.attached=true;
},remove:function(){
if(this.attached){
this.attached=false;
this.imgWrap.parentNode.insertBefore(this.img,this.imgWrap);
this.imgWrap.parentNode.removeChild(this.imgWrap);
Event.stopObserving(this.dragArea,"mousedown",this.startDragBind);
Event.stopObserving(document,"mousemove",this.onDragBind);
Event.stopObserving(document,"mouseup",this.endCropBind);
this.registerHandles(false);
if(this.options.captureKeys){
Event.stopObserving(document,"keypress",this.keysBind);
}
}
},reset:function(){
if(!this.attached){
this.onLoad();
}else{
this.setParams();
}
this.endCrop();
},handleKeys:function(e){
var dir={x:0,y:0};
if(!this.dragging){
switch(e.keyCode){
case (37):
dir.x=-1;
break;
case (38):
dir.y=-1;
break;
case (39):
dir.x=1;
break;
case (40):
dir.y=1;
break;
}
if(dir.x!=0||dir.y!=0){
if(e.shiftKey){
dir.x*=10;
dir.y*=10;
}
this.moveArea([this.areaCoords.x1+dir.x,this.areaCoords.y1+dir.y]);
Event.stop(e);
}
}
},calcW:function(){
return (this.areaCoords.x2-this.areaCoords.x1);
},calcH:function(){
return (this.areaCoords.y2-this.areaCoords.y1);
},moveArea:function(_1e){
this.setAreaCoords({x1:_1e[0],y1:_1e[1],x2:_1e[0]+this.calcW(),y2:_1e[1]+this.calcH()},true,false);
this.drawArea();
},cloneCoords:function(_1f){
return {x1:_1f.x1,y1:_1f.y1,x2:_1f.x2,y2:_1f.y2};
},setAreaCoords:function(_20,_21,_22,_23,_24){
if(_21){
var _25=_20.x2-_20.x1;
var _26=_20.y2-_20.y1;
if(_20.x1<0){
_20.x1=0;
_20.x2=_25;
}
if(_20.y1<0){
_20.y1=0;
_20.y2=_26;
}
if(_20.x2>this.imgW){
_20.x2=this.imgW;
_20.x1=this.imgW-_25;
}
if(_20.y2>this.imgH){
_20.y2=this.imgH;
_20.y1=this.imgH-_26;
}
}else{
if(_20.x1<0){
_20.x1=0;
}
if(_20.y1<0){
_20.y1=0;
}
if(_20.x2>this.imgW){
_20.x2=this.imgW;
}
if(_20.y2>this.imgH){
_20.y2=this.imgH;
}
if(_23!=null){
if(this.ratioX>0){
this.applyRatio(_20,{x:this.ratioX,y:this.ratioY},_23,_24);
}else{
if(_22){
this.applyRatio(_20,{x:1,y:1},_23,_24);
}
}
var _27=[this.options.minWidth,this.options.minHeight];
var _28=[this.options.maxWidth,this.options.maxHeight];
if(_27[0]>0||_27[1]>0||_28[0]>0||_28[1]>0){
var _29={a1:_20.x1,a2:_20.x2};
var _2a={a1:_20.y1,a2:_20.y2};
var _2b={min:0,max:this.imgW};
var _2c={min:0,max:this.imgH};
if((_27[0]!=0||_27[1]!=0)&&_22){
if(_27[0]>0){
_27[1]=_27[0];
}else{
if(_27[1]>0){
_27[0]=_27[1];
}
}
}
if((_28[0]!=0||_28[0]!=0)&&_22){
if(_28[0]>0&&_28[0]<=_28[1]){
_28[1]=_28[0];
}else{
if(_28[1]>0&&_28[1]<=_28[0]){
_28[0]=_28[1];
}
}
}
if(_27[0]>0){
this.applyDimRestriction(_29,_27[0],_23.x,_2b,"min");
}
if(_27[1]>1){
this.applyDimRestriction(_2a,_27[1],_23.y,_2c,"min");
}
if(_28[0]>0){
this.applyDimRestriction(_29,_28[0],_23.x,_2b,"max");
}
if(_28[1]>1){
this.applyDimRestriction(_2a,_28[1],_23.y,_2c,"max");
}
_20={x1:_29.a1,y1:_2a.a1,x2:_29.a2,y2:_2a.a2};
}
}
}
this.areaCoords=_20;
},applyDimRestriction:function(_2d,val,_2f,_30,_31){
var _32;
if(_31=="min"){
_32=((_2d.a2-_2d.a1)<val);
}else{
_32=((_2d.a2-_2d.a1)>val);
}
if(_32){
if(_2f==1){
_2d.a2=_2d.a1+val;
}else{
_2d.a1=_2d.a2-val;
}
if(_2d.a1<_30.min){
_2d.a1=_30.min;
_2d.a2=val;
}else{
if(_2d.a2>_30.max){
_2d.a1=_30.max-val;
_2d.a2=_30.max;
}
}
}
},applyRatio:function(_33,_34,_35,_36){
var _37;
if(_36=="N"||_36=="S"){
_37=this.applyRatioToAxis({a1:_33.y1,b1:_33.x1,a2:_33.y2,b2:_33.x2},{a:_34.y,b:_34.x},{a:_35.y,b:_35.x},{min:0,max:this.imgW});
_33.x1=_37.b1;
_33.y1=_37.a1;
_33.x2=_37.b2;
_33.y2=_37.a2;
}else{
_37=this.applyRatioToAxis({a1:_33.x1,b1:_33.y1,a2:_33.x2,b2:_33.y2},{a:_34.x,b:_34.y},{a:_35.x,b:_35.y},{min:0,max:this.imgH});
_33.x1=_37.a1;
_33.y1=_37.b1;
_33.x2=_37.a2;
_33.y2=_37.b2;
}
},applyRatioToAxis:function(_38,_39,_3a,_3b){
var _3c=Object.extend(_38,{});
var _3d=_3c.a2-_3c.a1;
var _3e=Math.floor(_3d*_39.b/_39.a);
var _3f;
var _40;
var _41=null;
if(_3a.b==1){
_3f=_3c.b1+_3e;
if(_3f>_3b.max){
_3f=_3b.max;
_41=_3f-_3c.b1;
}
_3c.b2=_3f;
}else{
_3f=_3c.b2-_3e;
if(_3f<_3b.min){
_3f=_3b.min;
_41=_3f+_3c.b2;
}
_3c.b1=_3f;
}
if(_41!=null){
_40=Math.floor(_41*_39.a/_39.b);
if(_3a.a==1){
_3c.a2=_3c.a1+_40;
}else{
_3c.a1=_3c.a1=_3c.a2-_40;
}
}
return _3c;
},drawArea:function(){
var _42=this.calcW();
var _43=this.calcH();
var px="px";
var _45=[this.areaCoords.x1+px,this.areaCoords.y1+px,_42+px,_43+px,this.areaCoords.x2+px,this.areaCoords.y2+px,(this.img.width-this.areaCoords.x2)+px,(this.img.height-this.areaCoords.y2)+px];
var _46=this.selArea.style;
_46.left=_45[0];
_46.top=_45[1];
_46.width=_45[2];
_46.height=_45[3];
var _47=Math.ceil((_42-6)/2)+px;
var _48=Math.ceil((_43-6)/2)+px;
this.handleN.style.left=_47;
this.handleE.style.top=_48;
this.handleS.style.left=_47;
this.handleW.style.top=_48;
this.north.style.height=_45[1];
var _49=this.east.style;
_49.top=_45[1];
_49.height=_45[3];
_49.left=_45[4];
_49.width=_45[6];
var _4a=this.south.style;
_4a.top=_45[5];
_4a.height=_45[7];
var _4b=this.west.style;
_4b.top=_45[1];
_4b.height=_45[3];
_4b.width=_45[0];
this.subDrawArea();
this.forceReRender();
},forceReRender:function(){
if(this.isIE||this.isWebKit){
var n=document.createTextNode(" ");
var d,el,fixEL,i;
if(this.isIE){
fixEl=this.selArea;
}else{
if(this.isWebKit){
fixEl=document.getElementsByClassName("imgCrop_marqueeSouth",this.imgWrap)[0];
d=Builder.node("div","");
d.style.visibility="hidden";
var _4e=["SE","S","SW"];
for(i=0;i<_4e.length;i++){
el=document.getElementsByClassName("imgCrop_handle"+_4e[i],this.selArea)[0];
if(el.childNodes.length){
el.removeChild(el.childNodes[0]);
}
el.appendChild(d);
}
}
}
fixEl.appendChild(n);
fixEl.removeChild(n);
}
},startResize:function(e){
this.startCoords=this.cloneCoords(this.areaCoords);
this.resizing=true;
this.resizeHandle=Event.element(e).classNames().toString().replace(/([^N|NE|E|SE|S|SW|W|NW])+/,"");
Event.stop(e);
},startDrag:function(e){
this.selArea.show();
this.clickCoords=this.getCurPos(e);
this.setAreaCoords({x1:this.clickCoords.x,y1:this.clickCoords.y,x2:this.clickCoords.x,y2:this.clickCoords.y},false,false,null);
this.dragging=true;
this.onDrag(e);
Event.stop(e);
},getCurPos:function(e){
var el=this.imgWrap,wrapOffsets=Position.cumulativeOffset(el);
while(el.nodeName!="BODY"){
wrapOffsets[1]-=el.scrollTop||0;
wrapOffsets[0]-=el.scrollLeft||0;
el=el.parentNode;
}
return curPos={x:Event.pointerX(e)-wrapOffsets[0],y:Event.pointerY(e)-wrapOffsets[1]};
},onDrag:function(e){
if(this.dragging||this.resizing){
var _54=null;
var _55=this.getCurPos(e);
var _56=this.cloneCoords(this.areaCoords);
var _57={x:1,y:1};
if(this.dragging){
if(_55.x<this.clickCoords.x){
_57.x=-1;
}
if(_55.y<this.clickCoords.y){
_57.y=-1;
}
this.transformCoords(_55.x,this.clickCoords.x,_56,"x");
this.transformCoords(_55.y,this.clickCoords.y,_56,"y");
}else{
if(this.resizing){
_54=this.resizeHandle;
if(_54.match(/E/)){
this.transformCoords(_55.x,this.startCoords.x1,_56,"x");
if(_55.x<this.startCoords.x1){
_57.x=-1;
}
}else{
if(_54.match(/W/)){
this.transformCoords(_55.x,this.startCoords.x2,_56,"x");
if(_55.x<this.startCoords.x2){
_57.x=-1;
}
}
}
if(_54.match(/N/)){
this.transformCoords(_55.y,this.startCoords.y2,_56,"y");
if(_55.y<this.startCoords.y2){
_57.y=-1;
}
}else{
if(_54.match(/S/)){
this.transformCoords(_55.y,this.startCoords.y1,_56,"y");
if(_55.y<this.startCoords.y1){
_57.y=-1;
}
}
}
}
}
this.setAreaCoords(_56,false,e.shiftKey,_57,_54);
this.drawArea();
Event.stop(e);
}
},transformCoords:function(_58,_59,_5a,_5b){
var _5c=[_58,_59];
if(_58>_59){
_5c.reverse();
}
_5a[_5b+"1"]=_5c[0];
_5a[_5b+"2"]=_5c[1];
},endCrop:function(){
this.dragging=false;
this.resizing=false;
this.options.onEndCrop(this.areaCoords,{width:this.calcW(),height:this.calcH()});
},subInitialize:function(){
},subDrawArea:function(){
}};
Cropper.ImgWithPreview=Class.create();
Object.extend(Object.extend(Cropper.ImgWithPreview.prototype,Cropper.Img.prototype),{subInitialize:function(){
this.hasPreviewImg=false;
if(typeof (this.options.previewWrap)!="undefined"&&this.options.minWidth>0&&this.options.minHeight>0){
this.previewWrap=$(this.options.previewWrap);
this.previewImg=this.img.cloneNode(false);
this.previewImg.id="imgCrop_"+this.previewImg.id;
this.options.displayOnInit=true;
this.hasPreviewImg=true;
this.previewWrap.addClassName("imgCrop_previewWrap");
this.previewWrap.setStyle({width:this.options.minWidth+"px",height:this.options.minHeight+"px"});
this.previewWrap.appendChild(this.previewImg);
}
},subDrawArea:function(){
if(this.hasPreviewImg){
var _5d=this.calcW();
var _5e=this.calcH();
var _5f={x:this.imgW/_5d,y:this.imgH/_5e};
var _60={x:_5d/this.options.minWidth,y:_5e/this.options.minHeight};
var _61={w:Math.ceil(this.options.minWidth*_5f.x)+"px",h:Math.ceil(this.options.minHeight*_5f.y)+"px",x:"-"+Math.ceil(this.areaCoords.x1/_60.x)+"px",y:"-"+Math.ceil(this.areaCoords.y1/_60.y)+"px"};
var _62=this.previewImg.style;
_62.width=_61.w;
_62.height=_61.h;
_62.left=_61.x;
_62.top=_61.y;
}
}});