var DDMenu=new Class({Implements:[Events,Options],options:{onOpen:$empty,onClose:$empty,onItemSelect:$empty,observe_disabled_items:false,rightclick_to_open:true,crtl_switch:true,shift_with_contentmenu:true,fade_in:true,cursorx:2,cursory:1,opacity:0.95},initialize:function(menu,bindon,options){this.setOptions(options);this.eMenu=$(menu);this.eBindon=$(bindon);this.eMenu.setStyles({position:'absolute','z-index':9999,display:'none'});this.open=this.open.bindWithEvent(this);this.close=this.close.bind(this);this.preOpenEvent=this.preOpenEvent.bind(this)
this.menuEvent=this.menuEvent.bindWithEvent(this);this.clickedElement=$empty;this.eBindon.addEvents({'mousedown':function(){this.eBindon.addEvent('contextmenu',$break)}.bind(this),'mouseup':this.preOpenEvent});$$('#'+menu+' li a').addEvent('click',$break);},preOpenEvent:function(event){if(event.shift){this.eBindon.removeEvent('contextmenu',$break);}
else if(this.options.crtl_switch&&event.rightClick&&event.control){this.eBindon.removeEvent('contextmenu',$break);return true;}
event.preventDefault();if(this.eMenu.style.display=='block')this.close(event);this.clickedElement=$(event.target);if(event.rightClick){if(this.options.crtl_switch&&event.control)return true;else if(this.options.rightclick_to_open)this.open(event);}
if(event.control)this.open(event);else return true;return false;},open:function(event){this.eMenu.setStyles({opacity:0,display:'block','z-index':99999,top:event.page.y+this.options.cursory,left:event.page.x+this.options.cursorx});var coords={};this.eMenu.getPosition().y-$(document.body).getScroll().y+this.eMenu.getSize().y<$(document.body).getSize().y?coords.y=event.page.y+this.options.cursory:coords.y=event.page.y-this.eMenu.getSize().y+this.options.cursory;if(coords.y<$(document.body).getScroll().y+1)coords.y=$(document.body).getScroll().y+1;this.eMenu.getPosition().x-$(document.body).getScroll().x+this.eMenu.getSize().x<$(document.body).getSize().x?coords.x=event.page.x+this.options.cursorx:coords.x=event.page.x-this.eMenu.getSize().x+this.options.cursorx;if(coords.x<$(document.body).getScroll().x+1)coords.x=$(document.body).getScroll().x+1;if(event.shift)coords.x=event.page.x-this.eMenu.getSize().x-this.options.cursorx;this.eMenu.setStyles({top:coords.y,left:coords.x});if(this.options.fade_in){var op=this.options.opacity;var fadein=new Fx.Morph(this.eMenu,{duration:200}).start({'opacity':[.32,op]});}
else this.eMenu.style.opacity=this.options.opacity;window.addEvent('blur',function(){if(!Browser.Engine.trident)this.close()}.bind(this));document.addEvent('mousedown',this.menuEvent);this.eMenu.addEvents({'contextmenu':function(){return false},'mouseup':this.menuEvent});this.fireEvent('onOpen',event);},menuEvent:function(event){event.preventDefault();var item=$(event.target);if(item==this.eMenu||item==this.eMenu.getElement('ul'))return false;item=this.ascendTo(item,['item','sepline','title']);if(item===false){this.close(event);}
else if(item.hasClass('item')&&event.type=='mouseup'){if(!(item.getElement('a').hasClass('disabled')&&!this.options.observe_disabled_items)){this.action(item);this.close(event);}}},close:function(event){this.eMenu.style.display='none';document.removeEvent('mousedown',this.menuEvent);window.removeEvent('blur',function(){if(!Browser.Engine.trident)this.close()}.bind(this));this.eMenu.removeEvents();this.fireEvent('onClose',event);},action:function(item){this.fireEvent('onItemSelect',[item.get('id'),this.clickedElement,this.eBindon]);return;},ascendTo:function(el,peakto){if(el==window)return false;var ascel=el;while(ascel.get('tag')!='html'){for(var i=0;i<peakto.length;i++){if(ascel.hasClass(peakto[i]))return ascel;}
ascel=ascel.getParent();}
return false;},enableThisItemsOnly:function(items,enable){if(!$chk(enable)&&enable!=false)enable=true;if($type(items)=='string')items=[items];if(!items.length)return;enable==true?this.eMenu.getElements('li.item a').addClass('disabled'):this.eMenu.getElements('li.item a').removeClass('disabled');items.each(function(item){enable==true?this.eMenu.getElement('li#'+item+' a').removeClass('disabled'):this.eMenu.getElement('li#'+item+' a').addClass('disabled');}.bind(this));},enableItems:function(items,enable){if(!$chk(items)&&items!=false)items=true;if($type(items)=='boolean'){items==true?this.eMenu.getElements('li.item a').removeClass('disabled'):this.eMenu.getElements('li.item a').addClass('disabled');return;}
if(!$chk(enable)&&enable!=false)enable=true;if($type(items)=='string')items=[items];items.each(function(item){enable==true?this.eMenu.getElement('li#'+item+' a').removeClass('disabled'):this.eMenu.getElement('li#'+item+' a').addClass('disabled');}.bind(this));}});$break=function(){return false;}