// Tab Script //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function ddtabcontent(tabinterfaceid){
	this.tabinterfaceid=tabinterfaceid 
	this.tabs=document.getElementById(tabinterfaceid).getElementsByTagName("a")
	this.enabletabpersistence=true
	this.hottabspositions=[] 
	this.currentTabIndex=0 
	this.subcontentids=[] 
	this.revcontentids=[] 
	this.selectedClassTarget="link" 
}

ddtabcontent.getCookie=function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return ""
}

ddtabcontent.setCookie=function(name, value){
	document.cookie = name+"="+value+";path=/" //cookie value is domain wide (path=/)
}

ddtabcontent.prototype={

	expandit:function(tabid_or_position){ //PUBLIC function to select a tab either by its ID or position(int) within its peers
		this.cancelautorun() //stop auto cycling of tabs (if running)
		var tabref=""
		try{
			if (typeof tabid_or_position=="string" && document.getElementById(tabid_or_position).getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=document.getElementById(tabid_or_position)
			else if (parseInt(tabid_or_position)!=NaN && this.tabs[tabid_or_position].getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=this.tabs[tabid_or_position]
		}
		catch(err){alert("Invalid Tab ID or position entered!")}
		if (tabref!="") //if a valid tab is found based on function parameter
			this.expandtab(tabref) //expand this tab
	},

	cycleit:function(dir, autorun){ //PUBLIC function to move foward or backwards through each hot tab (tabinstance.cycleit('foward/back') )
		if (dir=="next"){
			var currentTabIndex=(this.currentTabIndex<this.hottabspositions.length-1)? this.currentTabIndex+1 : 0
		}
		else if (dir=="prev"){
			var currentTabIndex=(this.currentTabIndex>0)? this.currentTabIndex-1 : this.hottabspositions.length-1
		}
		if (typeof autorun=="undefined") //if cycleit() is being called by user, versus autorun() function
			this.cancelautorun() //stop auto cycling of tabs (if running)
		this.expandtab(this.tabs[this.hottabspositions[currentTabIndex]])
	},

	setpersist:function(bool){ //PUBLIC function to toggle persistence feature
			this.enabletabpersistence=bool
	},

	setselectedClassTarget:function(objstr){ //PUBLIC function to set which target element to assign "selected" CSS class ("linkparent" or "link")
		this.selectedClassTarget=objstr || "link"
	},

	getselectedClassTarget:function(tabref){ //Returns target element to assign "selected" CSS class to
		return (this.selectedClassTarget==("linkparent".toLowerCase()))? tabref.parentNode : tabref
	},

	urlparamselect:function(tabinterfaceid){
		var result=window.location.search.match(new RegExp(tabinterfaceid+"=(\\d+)", "i")) //check for "?tabinterfaceid=2" in URL
		return (result==null)? null : parseInt(RegExp.$1) //returns null or index, where index (int) is the selected tab's index
	},

	expandtab:function(tabref){
		var subcontentid=tabref.getAttribute("rel") //Get id of subcontent to expand
		//Get "rev" attr as a string of IDs in the format ",john,george,trey,etc," to easily search through
		var associatedrevids=(tabref.getAttribute("rev"))? ","+tabref.getAttribute("rev").replace(/\s+/, "")+"," : ""
		this.expandsubcontent(subcontentid)
		this.expandrevcontent(associatedrevids)
		for (var i=0; i<this.tabs.length; i++){ //Loop through all tabs, and assign only the selected tab the CSS class "selected"
			this.getselectedClassTarget(this.tabs[i]).className=(this.tabs[i].getAttribute("rel")==subcontentid)? "selected" : ""
		}
		if (this.enabletabpersistence) //if persistence enabled, save selected tab position(int) relative to its peers
			ddtabcontent.setCookie(this.tabinterfaceid, tabref.tabposition)
		this.setcurrenttabindex(tabref.tabposition) //remember position of selected tab within hottabspositions[] array
	},

	expandsubcontent:function(subcontentid){
		for (var i=0; i<this.subcontentids.length; i++){
			var subcontent=document.getElementById(this.subcontentids[i]) //cache current subcontent obj (in for loop)
			if(navigator.userAgent.indexOf("Firefox")>-1)
				subcontent.style.display=(subcontent.id==subcontentid)? "table-row" : "none"
			else
				subcontent.style.display=(subcontent.id==subcontentid)? "block" : "none" //"show" or hide sub content based on matching id attr value
		}
	},

	expandrevcontent:function(associatedrevids){
		var allrevids=this.revcontentids
		for (var i=0; i<allrevids.length; i++){ //Loop through rev attributes for all tabs in this tab interface
			//if any values stored within associatedrevids matches one within allrevids, expand that DIV, otherwise, contract it
			if(navigator.userAgent.indexOf("Firefox")>-1)
				document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)? "table-row" : "none"
			else
				document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)? "block" : "none"
		}
	},

	setcurrenttabindex:function(tabposition){ //store current position of tab (within hottabspositions[] array)
		for (var i=0; i<this.hottabspositions.length; i++){
			if (tabposition==this.hottabspositions[i]){
				this.currentTabIndex=i
				break
			}
		}
	},

	autorun:function(){ //function to auto cycle through and select tabs based on a set interval
		this.cycleit('next', true)
	},

	cancelautorun:function(){
		if (typeof this.autoruntimer!="undefined")
			clearInterval(this.autoruntimer)
	},

	init:function(automodeperiod){
		var persistedtab=ddtabcontent.getCookie(this.tabinterfaceid) //get position of persisted tab (applicable if persistence is enabled)
		var selectedtab=-1 //Currently selected tab index (-1 meaning none)
		var selectedtabfromurl=this.urlparamselect(this.tabinterfaceid) //returns null or index from: tabcontent.htm?tabinterfaceid=index
		this.automodeperiod=automodeperiod || 0
		for (var i=0; i<this.tabs.length; i++){
			this.tabs[i].tabposition=i //remember position of tab relative to its peers
			if (this.tabs[i].getAttribute("rel")){
				var tabinstance=this
				this.hottabspositions[this.hottabspositions.length]=i //store position of "hot" tab ("rel" attr defined) relative to its peers
				this.subcontentids[this.subcontentids.length]=this.tabs[i].getAttribute("rel") //store id of sub content ("rel" attr value)
				this.tabs[i].onclick=function(){
					tabinstance.expandtab(this)
					tabinstance.cancelautorun() //stop auto cycling of tabs (if running)
					return false
				}
				if (this.tabs[i].getAttribute("rev")){ //if "rev" attr defined, store each value within "rev" as an array element
					this.revcontentids=this.revcontentids.concat(this.tabs[i].getAttribute("rev").split(/\s*,\s*/))
				}
				if (selectedtabfromurl==i || this.enabletabpersistence && selectedtab==-1 && parseInt(persistedtab)==i || !this.enabletabpersistence && selectedtab==-1 && this.getselectedClassTarget(this.tabs[i]).className=="selected"){
					selectedtab=i //Selected tab index, if found
				}
			}
		} //END for loop
		if (selectedtab!=-1) //if a valid default selected tab index is found
			this.expandtab(this.tabs[selectedtab]) //expand selected tab (either from URL parameter, persistent feature, or class="selected" class)
		else //if no valid default selected index found
			this.expandtab(this.tabs[this.hottabspositions[0]]) //Just select first tab that contains a "rel" attr
		if (parseInt(this.automodeperiod)>500 && this.hottabspositions.length>1){
			this.autoruntimer=setInterval(function(){tabinstance.autorun()}, this.automodeperiod)
		}
	} 

} 

// Show Hide Panel /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
panelState = 'hide';
function showHidePanel(action) {
	if(action=='show'){
		hidePopup("threedview");
		hidePopup("sendcomment");
		hidePopup("interview");
		hidePopup("menu1");
		hidePopup("menu2");
		hidePopup("menu3");
		hidePopup("menu4");
		hidePopup("menu5");
		hidePopup("set_menu1");
		hidePopup("set_menu2");
		hidePopup("set_menu3");
		hidePopup("set_menu4");
		hidePopup("set_menu5");
		showSelects("hide");

		if(panelState=='hide'){
			effect_1=Effect.SlideDown(memberPanel,{duration:0.5}); 
			panelState='show';
		}

	}else{
		showSelects("show");
		effect_1=Effect.SlideUp(memberPanel,{duration:0.5});
		panelState='hide';
	}
}
// End Show Hide Panel /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// Show hide selects
firstrun=true;
function showSelects(action){
	var selects=document.getElementsByTagName("select");

	if(firstrun){
		for(var i=0;i<selects.length;i++)
			selects[i].className="show";
		if(flash)
			flash.className="show";
		firstrun=false;
	}

	for(var i=0;i<selects.length;i++){
		if(action=="show"){
			if(selects[i].className.indexOf("hide")>-1)
				selects[i].className=selects[i].className.replace("hide","show");
		}else if(action="hide"){
			if(selects[i].className.indexOf("show")>-1)
				selects[i].className=selects[i].className.replace("show","hide");
		}
	}

	return false;
	var flash=document.getElementById("flashcontent");
	if(flash)
		flash.className=action;
}
//

// Popups
function showPopup(p){
	hidePopup("threedview");
	hidePopup("sendcomment");
	hidePopup("interview");
	hidePopup("menu1");
	hidePopup("menu2");
	hidePopup("menu3");
	hidePopup("menu4");
	hidePopup("menu5");
	hidePopup("set_menu1");
	hidePopup("set_menu2");
	hidePopup("set_menu3");
	hidePopup("set_menu4");
	hidePopup("set_menu5");
	showSelects("hide");
	var scrolledX,scrolledY;
	if(self.pageYOffset){
		scrolledX=self.pageXOffset;
		scrolledY=self.pageYOffset;
	}else if(document.documentElement && document.documentElement.scrollTop){
		scrolledX=document.documentElement.scrollLeft;
		scrolledY=document.documentElement.scrollTop;
	}else if(document.body){
		scrolledX=document.body.scrollLeft;
		scrolledY=document.body.scrollTop;
	}

	var centerX,centerY;
	if(self.innerHeight){
		centerX=self.innerWidth;
		centerY=self.innerHeight;
	}else if(document.documentElement && document.documentElement.clientHeight){
		centerX=document.documentElement.clientWidth;
		centerY=document.documentElement.clientHeight;
	}else if(document.body){
		centerX=document.body.clientWidth;
		centerY=document.body.clientHeight;
	}

	var obj=document.getElementById(p);
	if(obj.offsetWidth!=null && obj.offsetWidth>0){
		offX=obj.offsetWidth;
	}else if(obj.style.width!=null && obj.style.width!=''){
		offX=parseInt(obj.style.width);
	}else{
		offX=700;
	}

	if(obj.offsetHeight!=null && obj.offsetHeight>0){
		offY=obj.offsetHeight;
	}else if(obj.style.height!=null && obj.style.height!=''){
		offY=parseInt(obj.style.height);
	}else{
		offY=500;
	}
	var leftOffset=scrolledX + (centerX - offX) / 2;
	var topOffset=scrolledY + (centerY - offY) / 2;
	obj.style.top=topOffset + 'px';
	obj.style.left=leftOffset + 'px';
	obj.style.display='block';
}

function hidePopup(p){
	showSelects("show");
	if(document.getElementById(p)!=null)
		document.getElementById(p).style.display='none';
}
//


// Coupon Marquee
function marquee(height,speed,delay){
	var scrollT;
	var scroll_pause = false;
	var ScrollBox = document.getElementById("ScrollBox");
	if(document.getElementById("scrollHolder").offsetHeight <= height) return;
	ScrollBox.innerHTML += ScrollBox.innerHTML;
	ScrollBox.onmouseover = function(){scroll_pause = true}
	ScrollBox.onmouseout = function(){scroll_pause = false}
	ScrollBox.scrollTop = 0;
	function scroll_start(){
	    scrollT = setInterval(scrolling,speed);
	    if(!scroll_pause) ScrollBox.scrollTop += 2;
	}
	function scrolling(){
	    if(ScrollBox.scrollTop % height != 0){
	        ScrollBox.scrollTop += 2;
	        if(ScrollBox.scrollTop >= ScrollBox.scrollHeight/2) ScrollBox.scrollTop = 0;
	    }
		else{
	        clearInterval(scrollT);
	        setTimeout(scroll_start,delay);
	    }
	}
	setTimeout(scroll_start,delay);
}
