var TabsOver=Class.create();TabsOver.prototype={initialize:function(idMenuTabs,idFramesWrapper,optionalParams){if(!idMenuTabs||!idFramesWrapper||!document.getElementById||!document.getElementsByTagName)return false;optionalParams=optionalParams||{disableTags:false,appear:false,firstActive:1,click:false}this.disableTags=optionalParams.disableTags||false;this.appear=optionalParams.appear||false;this.firstActive=optionalParams.firstActive||1;this.click=optionalParams.click||false;this.menu_elements=$(idMenuTabs).getElementsByTagName("a");Element.cleanWhitespace($(idFramesWrapper));this.blocks=new Array();this.blocks.push($(idFramesWrapper).firstChild);while(this.blocks.last().nextSibling){var next=this.blocks.last().nextSibling;this.blocks.push(next)}this.longBlocks=this.blocks.length;this.blockMaxHeight=0;if(this.longBlocks!=this.menu_elements.length){return false}for(var i=0;i<this.longBlocks;i++){this.styleBlock(this.blocks[i]);this.menu_elements[i].onclick=function(){return false}if(!(optionalParams.click)){Event.observe(this.menu_elements[i],'mouseover',this.onOverSwitchTabs.bindAsEventListener(this));Event.observe(this.menu_elements[i],'focus',this.onOverSwitchTabs.bindAsEventListener(this))}else{Event.observe(this.menu_elements[i],'mousedown',this.onOverSwitchTabs.bindAsEventListener(this))}}$(idFramesWrapper).style.height=this.blockMaxHeight+"px";this.current_tab=0;if(this.switchTabs(this.firstActive-1))this.current_tab=this.firstActive-1},onOverSwitchTabs:function(event){var cible=event.currentTarget||event.srcElement;var attr=cible.getAttribute("href")||cible.parentElement.getAttribute("href");var attr2=attr.split(/#/);var tabNum=(attr2[1].match(/[0-9]+/)-1);if(tabNum!=this.current_tab)this.switchTabs(tabNum)},switchTabs:function(tabNum){this.disableTab(this.current_tab);this.enableTab(tabNum);this.current_tab=tabNum;return true},disableTab:function(tabNum){this.blocks[tabNum].style.display="none";new Element.ClassNames(this.menu_elements[tabNum].parentNode).remove('current')},enableTab:function(tabNum){if(this.appear==true){new Effect.Opacity(this.blocks[tabNum],{duration:0.5,from:0.5,to:1.0})}this.blocks[tabNum].style.display="block";new Element.ClassNames(this.menu_elements[tabNum].parentNode).add('current')},styleBlock:function(block){if(Element.getHeight(block)>this.blockMaxHeight)this.blockMaxHeight=Element.getHeight(block);block.style.display="none";if(this.disableTags){this.disableTags.each(function(disableTag){$A(block.getElementsByTagName(disableTag)).each(function(tag){tag.style.display="none"})})}}}