//** Featured Content Slider script- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)

//** Last updated: Oct 28th, 06



////Ajax related settings

var csbustcachevar=0 //bust potential caching of external pages after initial Ajax request? (1=yes, 0=no)

var csloadstatustext="<img src='images/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){

var slider=document.getElementById(sliderid)

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=="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 paginatediv=document.getElementById("paginate-"+sliderid) //reference corresponding pagination DIV for slider

var pcontent=""

for (var i=0; i<slidernodes[sliderid].length; i++) //For each DIV within slider, generate a pagination link

pcontent+='<a href="#" onClick=\"ContentSlider.turnpage(\''+sliderid+'\', '+i+'); return false\">&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

slidernodes[sliderid][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)

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)

}



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

}

}

}