//** Featured Content Slider script- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
//** Last updated: Feb 28th- 07- Added ability to customize pagination links' text

////Ajax related settings
var csbustcachevar_mod=0 //bust potential caching of external pages after initial Ajax request? (1=yes, 0=no)
var csloadstatustext_mod="<img src='loading.gif' /> Requesting content..." //HTML to indicate Ajax page is being fetched
var csexternalfiles_mod=[] //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_mod=true
var slidernodes_mod=new Object() //Object array to store references to each content slider's DIV containers (<div class="contentsubdiv">)
var csloadedobjects_mod="" //Variable to store file names of .js/.css files already loaded (if Ajax is used)

function ContentSlider_mod(sliderid_mod, autorun_mod, customPaginateText_mod, customNextText_mod){
	var slider=document.getElementById(sliderid_mod)
	if (typeof customPaginateText_mod!="undefined" && customPaginateText_mod!="") //Custom array of pagination links text defined?
		slider.paginateText=customPaginateText_mod
	if (typeof customNextText_mod!="undefined" && customNextText_mod!="") //Custom HTML for "Next" link defined?
		slider.nextText=customNextText_mod
	slidernodes_mod[sliderid_mod]=[] //Array to store references to this content slider's DIV containers (<div class="contentsubdiv">)
	ContentSlider_mod.loadobjects(csexternalfiles_mod) //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=="contentsubdiv"){
			slidernodes_mod[sliderid_mod].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_mod.ajaxpage(alldivs[i].getAttribute("rel"), alldivs[i])
		}
	}
	ContentSlider_mod.buildpagination(sliderid_mod)
	var loadfirstcontent=true
	if (enablepersist_mod && getCookie(sliderid_mod)!=""){ //if enablepersist_mod is true and cookie contains corresponding value for slider
		var cookieval=getCookie(sliderid_mod).split(":") //process cookie value ([sliderid_mod, int_pagenumber (div content to jump to)]
		if (document.getElementById(cookieval[0])!=null && typeof slidernodes_mod[sliderid_mod][cookieval[1]]!="undefined"){ //check cookie value for validity
			ContentSlider_mod.turnpage(cookieval[0], parseInt(cookieval[1])) //restore content slider's last shown DIV
			loadfirstcontent=false
		}
	}
	if (loadfirstcontent==true) //if enablepersist_mod is false, or cookie value doesn't contain valid value for some reason (ie: user modified the structure of the HTML)
		ContentSlider_mod.turnpage(sliderid_mod, 0) //Display first DIV within slider
	if (typeof autorun_mod=="number" && autorun_mod>0) //if autorun_mod parameter (int_miliseconds) is defined, fire auto run sequence
		window[sliderid_mod+"timer"]=setTimeout(function(){ContentSlider_mod.autoturnpage(sliderid_mod, autorun_mod)}, autorun_mod)
}

ContentSlider_mod.buildpagination=function(sliderid_mod){
	var slider=document.getElementById(sliderid_mod)
	var paginatediv=document.getElementById("paginate-"+sliderid_mod) //reference corresponding pagination DIV for slider
	var pcontent=""
	for (var i=0; i<slidernodes_mod[sliderid_mod].length; i++) //For each DIV within slider, generate a pagination link
		pcontent+='<a href="#" onClick=\"ContentSlider_mod.turnpage(\''+sliderid_mod+'\', '+i+'); return false\">'+(slider.paginateText? slider.paginateText[i] : i+1)+'</a> '
	pcontent+='<a href="#" style="font-weight: bold;" onClick=\"ContentSlider_mod.turnpage(\''+sliderid_mod+'\', parseInt(this.getAttribute(\'rel\'))); return false\">'+(slider.nextText || "&raquo;")+'</a>'
	paginatediv.innerHTML=pcontent
	paginatediv.onclick=function(){ //cancel auto run sequence (if defined) when user clicks on pagination DIV
	if (typeof window[sliderid_mod+"timer"]!="undefined")
		clearTimeout(window[sliderid_mod+"timer"])
	}
}

ContentSlider_mod.turnpage=function(sliderid_mod, thepage){
	var paginatelinks=document.getElementById("paginate-"+sliderid_mod).getElementsByTagName("a") //gather pagination links
	for (var i=0; i<slidernodes_mod[sliderid_mod].length; i++){ //For each DIV within slider
		paginatelinks[i].className="" //empty corresponding pagination link's class name
		slidernodes_mod[sliderid_mod][i].style.display="none" //hide DIV
	}
	paginatelinks[thepage].className="selected" //for selected DIV, set corresponding pagination link's class name
	slidernodes_mod[sliderid_mod][thepage].style.display="block" //show selected DIV
	//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_mod)
		setCookie(sliderid_mod, sliderid_mod+":"+thepage)
}

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

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_mod.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_mod
	page_request.onreadystatechange=function(){
		ContentSlider_mod.loadpage(page_request, thediv)
	}
	if (csbustcachevar_mod) //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_mod.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_mod.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_mod.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_mod+=file+" " //Remember this object as being already added to page
		}
	}
}