//** Featured Content Slider script-  Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
//** Last updated: Nov 3rd- 07- Added optional fade transition effect.

////Ajax related settings
var csbustcachevar=0 //bust potential caching of external pages after initial Ajax request? (1=yes, 0=no)
var enabletransition=1 //enable fade into view transition effect? (1=yes, 0=no)
var csloadstatustext="<img src='loading.gif' /> Requesting content..." //HTML to indicate Ajax page is being fetched
var csexternalfiles=[] //External .css or .js files to load to style the external content(s), if any. Separate multiple files with comma ie: ["cat.css", dog.js"]

////NO NEED TO EDIT BELOW////////////////////////
var enablepersist=true
var slidernodes=new Object() //Object array to store references to each content slider's DIV containers (<div class="contentdiv">)
var csloadedobjects="" //Variable to store file names of .js/.css files already loaded (if Ajax is used)

function ContentSlider(sliderid, autorun, customPaginateText, customNextText){
	var slider=document.getElementById(sliderid)
	if (typeof customPaginateText!="undefined" && customPaginateText!="") //Custom array of pagination links text defined?
		slider.paginateText=customPaginateText
	if (typeof customNextText!="undefined" && customNextText!="") //Custom HTML for "Next" link defined?
		slider.nextText=customNextText
	slidernodes[sliderid]=[] //Array to store references to this content slider's DIV containers (<div class="contentdiv">)
	ContentSlider.loadobjects(csexternalfiles) //Load external .js and .css files, if any
	var alldivs=slider.getElementsByTagName("div")
	for (var i=0; i<alldivs.length; i++){
		if (alldivs[i].className=="opacitylayer")
			slider.opacitylayer=alldivs[i]
		else if (alldivs[i].className=="contentdiv"){
			slidernodes[sliderid].push(alldivs[i]) //add this DIV reference to array
			if (typeof alldivs[i].getAttribute("rel")=="string") //If get this DIV's content via Ajax (rel attr contains path to external page)
				ContentSlider.ajaxpage(alldivs[i].getAttribute("rel"), alldivs[i])
		}
	}
	ContentSlider.buildpagination(sliderid)
	var loadfirstcontent=true
	if (enablepersist && getCookie(sliderid)!=""){ //if enablepersist is true and cookie contains corresponding value for slider
		var cookieval=getCookie(sliderid).split(":") //process cookie value ([sliderid, int_pagenumber (div content to jump to)]
		if (document.getElementById(cookieval[0])!=null && typeof slidernodes[sliderid][cookieval[1]]!="undefined"){ //check cookie value for validity
			ContentSlider.turnpage(cookieval[0], parseInt(cookieval[1])) //restore content slider's last shown DIV
			loadfirstcontent=false
		}
	}
	if (loadfirstcontent==true) //if enablepersist is false, or cookie value doesn't contain valid value for some reason (ie: user modified the structure of the HTML)
		ContentSlider.turnpage(sliderid, 0) //Display first DIV within slider
	if (typeof autorun=="number" && autorun>0) //if autorun parameter (int_miliseconds) is defined, fire auto run sequence
		window[sliderid+"timer"]=setTimeout(function(){ContentSlider.autoturnpage(sliderid, autorun)}, autorun)
}

ContentSlider.buildpagination=function(sliderid){
	var slider=document.getElementById(sliderid)
	var paginatediv=document.getElementById("paginate-"+sliderid) //reference corresponding pagination DIV for slider
	var pcontent=""
	var ii=0;
	
	for (var i=0; i<slidernodes[sliderid].length; i++)
	{
	//For each DIV within slider, generate a pagination link
		pcontent+='<img src="Images/Media_dot.gif" />&nbsp;<a href="#"  onClick=\"ContentSlider.turnpage(\''+sliderid+'\', '+i+'); return false\">'+(slider.paginateText? slider.paginateText[i] : i+1)+'</a> <br>'
//		if(ii%2==0)
//		{
//			if(ii==slidernodes[sliderid].length-1)
//			{
//				pcontent+='<br />';
//			}
//			else
//			{
//				pcontent+='<br /><br />';
//				
//			}
//		}
//		ii++;

	}
	pcontent+='<a href="#"  onClick=\"ContentSlider.turnpage(\''+sliderid+'\', '+i+'); return false\">'+'&nbsp;&nbsp;&nbsp;</a>'
	
	paginatediv.innerHTML=pcontent
	paginatediv.onclick=function(){ //cancel auto run sequence (if defined) when user clicks on pagination DIV
	if (typeof window[sliderid+"timer"]!="undefined")
		clearTimeout(window[sliderid+"timer"])
	}
}

ContentSlider.turnpage=function(sliderid, thepage){
	var paginatelinks=document.getElementById("paginate-"+sliderid).getElementsByTagName("a") //gather pagination links
	for (var i=0; i<slidernodes[sliderid].length; i++){ //For each DIV within slider
		paginatelinks[i].className="" //empty corresponding pagination link's class name
		slidernodes[sliderid][i].style.display="none" //hide DIV
	}
	paginatelinks[thepage].className="selected" //for selected DIV, set corresponding pagination link's class name
	if (enabletransition){
		if (window[sliderid+"fadetimer"])
			clearTimeout(window[sliderid+"fadetimer"])
		this.setopacity(sliderid, 0.1)
	}
	slidernodes[sliderid][thepage].style.display="block" //show selected DIV
	if (enabletransition)
		this.fadeup(sliderid, thepage)
	//Set "Next" pagination link's (last link within pagination DIV) "rel" attribute to the next DIV number to show
	paginatelinks[paginatelinks.length-1].setAttribute("rel", thenextpage=(thepage<paginatelinks.length-2)? thepage+1 : 0)
	if (enablepersist)
		setCookie(sliderid, sliderid+":"+thepage)
}

ContentSlider.autoturnpage=function(sliderid, autorunperiod){
	var paginatelinks=document.getElementById("paginate-"+sliderid).getElementsByTagName("a") //Get pagination links
	var nextpagenumber=parseInt(paginatelinks[paginatelinks.length-1].getAttribute("rel")) //Get page number of next DIV to show
	ContentSlider.turnpage(sliderid, nextpagenumber) //Show that DIV
	window[sliderid+"timer"]=setTimeout(function(){ContentSlider.autoturnpage(sliderid, autorunperiod)}, autorunperiod)
}

ContentSlider.setopacity=function(sliderid, value){ //Sets the opacity of targetobject based on the passed in value setting (0 to 1 and in between)
	var targetobject=document.getElementById(sliderid).opacitylayer || null //reference slider container itself
	if (targetobject && targetobject.filters && targetobject.filters[0]){ //IE syntax
		if (typeof targetobject.filters[0].opacity=="number") //IE6
			targetobject.filters[0].opacity=value*100
		else //IE 5.5
			targetobject.style.filter="alpha(opacity="+value*100+")"
		}
	else if (targetobject && typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
		targetobject.style.MozOpacity=value
	else if (targetobject && typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
		targetobject.style.opacity=value
	targetobject.currentopacity=value
}

ContentSlider.fadeup=function(sliderid){
	var targetobject=document.getElementById(sliderid).opacitylayer || null //reference slider container itself
	if (targetobject && targetobject.currentopacity<1){
		this.setopacity(sliderid, targetobject.currentopacity+0.1)
		window[sliderid+"fadetimer"]=setTimeout(function(){ContentSlider.fadeup(sliderid)}, 100)
	}
}

function getCookie(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 ""
}

function setCookie(name, value){
	document.cookie = name+"="+value
}

////////////////Ajax Related functions //////////////////////////////////

ContentSlider.ajaxpage=function(url, thediv){
	var page_request = false
	var bustcacheparameter=""
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
		try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
		try{
		page_request = new ActiveXObject("Microsoft.XMLHTTP")
		}
		catch (e){}
		}
	}
	else
		return false
	thediv.innerHTML=csloadstatustext
	page_request.onreadystatechange=function(){
		ContentSlider.loadpage(page_request, thediv)
	}
	if (csbustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

ContentSlider.loadpage=function(page_request, thediv){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
		thediv.innerHTML=page_request.responseText
}

ContentSlider.loadobjects=function(externalfiles){ //function to load external .js and .css files. Parameter accepts a list of external files to load (array)
	for (var i=0; i<externalfiles.length; i++){
		var file=externalfiles[i]
		var fileref=""
		if (csloadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
			if (file.indexOf(".js")!=-1){ //If object is a js file
				fileref=document.createElement('script')
				fileref.setAttribute("type","text/javascript");
				fileref.setAttribute("src", file);
			}
			else if (file.indexOf(".css")!=-1){ //If object is a css file
				fileref=document.createElement("link")
				fileref.setAttribute("rel", "stylesheet");
				fileref.setAttribute("type", "text/css");
				fileref.setAttribute("href", file);
			}
		}
		if (fileref!=""){
			document.getElementsByTagName("head").item(0).appendChild(fileref)
			csloadedobjects+=file+" " //Remember this object as being already added to page
		}
	}
}

/// NEW

var featuredcontentslider={

//3 variables below you can customize if desired:
ajaxloadingmsg: '<div style="margin: 20px 0 0 20px"><img src="loading.gif" /> Fetching slider Contents. Please wait...</div>',
bustajaxcache: true, //bust caching of external ajax page after 1st request?
enablepersist: true, //persist to last content viewed when returning to page?

settingcaches: {}, //object to cache "setting" object of each script instance

jumpTo:function(fcsid, pagenumber){ //public function to go to a slide manually.
	this.turnpage(this.settingcaches[fcsid], pagenumber)
},

ajaxconnect:function(setting){
	var page_request = false
	if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
		try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
			page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else
		return false
	var pageurl=setting.contentsource[1]
	page_request.onreadystatechange=function(){
		featuredcontentslider.ajaxpopulate(page_request, setting)
	}
	document.getElementById(setting.id).innerHTML=this.ajaxloadingmsg
	var bustcache=(!this.bustajaxcache)? "" : (pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', pageurl+bustcache, true)
	page_request.send(null)
},

ajaxpopulate:function(page_request, setting){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
		document.getElementById(setting.id).innerHTML=page_request.responseText
		this.buildpaginate(setting)
	}
},

buildcontentdivs:function(setting){
	var alldivs=document.getElementById(setting.id).getElementsByTagName("div")
	for (var i=0; i<alldivs.length; i++){
		if (this.css(alldivs[i], "contentdiv", "check")){ //check for DIVs with class "contentdiv"
			setting.contentdivs.push(alldivs[i])
				alldivs[i].style.display="none" //collapse all content DIVs to begin with
		}
	}
},

buildpaginate:function(setting){
	this.buildcontentdivs(setting)
	var sliderdiv=document.getElementById(setting.id)
	var pdiv=document.getElementById("paginate-"+setting.id)
	var phtml=""
	var toc=setting.toc
	var nextprev=setting.nextprev
	if (typeof toc=="string" && toc!="markup" || typeof toc=="object"){
		for (var i=1; i<=setting.contentdivs.length; i++){
			phtml+='<a href="#'+i+'" class="toc">'+(typeof toc=="string"? toc.replace(/#increment/, i) : toc[i-1])+'</a> '
		}
		phtml=(nextprev[0]!=''? '<a href="#prev" class="prev">'+nextprev[0]+'</a> ' : '') + phtml + (nextprev[1]!=''? '<a href="#next" class="next">'+nextprev[1]+'</a>' : '')
		pdiv.innerHTML=phtml
	}
	var pdivlinks=pdiv.getElementsByTagName("a")
	var toclinkscount=0 //var to keep track of actual # of toc links
	for (var i=0; i<pdivlinks.length; i++){
		if (this.css(pdivlinks[i], "toc", "check")){
			if (toclinkscount>setting.contentdivs.length-1){ //if this toc link is out of range (user defined more toc links then there are contents)
				pdivlinks[i].style.display="none" //hide this toc link
				continue
			}
			pdivlinks[i].setAttribute("rel", ++toclinkscount) //store page number inside toc link
			pdivlinks[i][setting.revealtype]=function(){
				featuredcontentslider.turnpage(setting, this.getAttribute("rel"))
				return false
			}
			setting.toclinks.push(pdivlinks[i])
		}
		else if (this.css(pdivlinks[i], "prev", "check") || this.css(pdivlinks[i], "next", "check")){ //check for links with class "prev" or "next"
			pdivlinks[i].onclick=function(){
				featuredcontentslider.turnpage(setting, this.className)
				return false
			}
		}
	}
	this.turnpage(setting, setting.currentpage, true)
	if (setting.autorotate[0]){ //if auto rotate enabled
		pdiv[setting.revealtype]=function(){
			featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])
		}
		sliderdiv["onclick"]=function(){ //stop content slider when slides themselves are clicked on
			featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])
		}
		setting.autorotate[1]=setting.autorotate[1]+(1/setting.enablefade[1]*50) //add time to run fade animation (roughly) to delay between rotation
	 this.autorotate(setting)
	}
},

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

turnpage:function(setting, thepage, autocall){
	var currentpage=setting.currentpage //current page # before change
	var totalpages=setting.contentdivs.length
	var turntopage=(/prev/i.test(thepage))? currentpage-1 : (/next/i.test(thepage))? currentpage+1 : parseInt(thepage)
	turntopage=(turntopage<1)? totalpages : (turntopage>totalpages)? 1 : turntopage //test for out of bound and adjust
	if (turntopage==setting.currentpage && typeof autocall=="undefined") //if a pagination link is clicked on repeatedly
		return
	setting.currentpage=turntopage
	if(setting.contentdivs[turntopage-1]){ setting.contentdivs[turntopage-1].style.zIndex=++setting.topzindex
	}else{return;}
	this.cleartimer(setting, window["fcsfade"+setting.id])
	setting.cacheprevpage=setting.prevpage
	if (setting.enablefade[0]==true){
		setting.curopacity=0
		this.fadeup(setting)
	}
	if (setting.enablefade[0]==false){ //if fade is disabled, fire onChange event immediately (verus after fade is complete)
		setting.contentdivs[setting.prevpage-1].style.display="none" //collapse last content div shown (it was set to "block")
		setting.onChange(setting.prevpage, setting.currentpage)
	}
	setting.contentdivs[turntopage-1].style.visibility="visible"
	setting.contentdivs[turntopage-1].style.display="block"
	if (setting.prevpage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted)
		this.css(setting.toclinks[setting.prevpage-1], "selected", "remove")
	if (turntopage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted)
		this.css(setting.toclinks[turntopage-1], "selected", "add")
	setting.prevpage=turntopage
	if (this.enablepersist)
		this.setCookie("fcspersist"+setting.id, turntopage)
},

setopacity:function(setting, value){ //Sets the opacity of targetobject based on the passed in value setting (0 to 1 and in between)
	var targetobject=setting.contentdivs[setting.currentpage-1]
	if (targetobject.filters && targetobject.filters[0]){ //IE syntax
		if (typeof targetobject.filters[0].opacity=="number") //IE6
			targetobject.filters[0].opacity=value*100
		else //IE 5.5
			targetobject.style.filter="alpha(opacity="+value*100+")"
	}
	else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
		targetobject.style.MozOpacity=value
	else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
		targetobject.style.opacity=value
	setting.curopacity=value
},

fadeup:function(setting){
	if (setting.curopacity<1){
		this.setopacity(setting, setting.curopacity+setting.enablefade[1])
		window["fcsfade"+setting.id]=setTimeout(function(){featuredcontentslider.fadeup(setting)}, 50)
	}
	else{ //when fade is complete
		if (setting.cacheprevpage!=setting.currentpage) //if previous content isn't the same as the current shown div (happens the first time the page loads/ script is run)
			setting.contentdivs[setting.cacheprevpage-1].style.display="none" //collapse last content div shown (it was set to "block")
		setting.onChange(setting.cacheprevpage, setting.currentpage)
	}
},

cleartimer:function(setting, timervar){
	if (typeof timervar!="undefined"){
		clearTimeout(timervar)
		clearInterval(timervar)
		if (setting.cacheprevpage!=setting.currentpage){ //if previous content isn't the same as the current shown div
			setting.contentdivs[setting.cacheprevpage-1].style.display="none"
		}
	}
},

css:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add")
		el.className+=" "+targetclass
},

autorotate:function(setting){
 window["fcsautorun"+setting.id]=setInterval(function(){featuredcontentslider.turnpage(setting, "next")}, setting.autorotate[1])
},

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 null
},

setCookie:function(name, value){
	document.cookie = name+"="+value

},


init:function(setting){
	var persistedpage=this.getCookie("fcspersist"+setting.id) || 1
	var urlselectedpage=this.urlparamselect(setting.id) //returns null or index from: mypage.htm?featuredcontentsliderid=index
	this.settingcaches[setting.id]=setting //cache "setting" object
	setting.contentdivs=[]
	setting.toclinks=[]
	setting.topzindex=0
	setting.currentpage=urlselectedpage || ((this.enablepersist)? persistedpage : 1)
	setting.prevpage=setting.currentpage
	setting.revealtype="on"+(setting.revealtype || "click")
	setting.curopacity=0
	setting.onChange=setting.onChange || function(){}
	if (setting.contentsource[0]=="inline")
		this.buildpaginate(setting)
	if (setting.contentsource[0]=="ajax")
		this.ajaxconnect(setting)
}

}