//** Featured Content Slider script- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
//** Last updated: Sept 27th, 06

var enablepersist=true
var slidernodes=new Object() //Object array to store references to each content slider's DIV containers (<div class="contentdiv">)

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">)
   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
      }
   }
   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\">'+(i+1)+'</a> '
   pcontent+='<a href="#" style="font-weight: bold;" onClick=\"ContentSlider.turnpage(\''+sliderid+'\', parseInt(this.getAttribute(\'rel\'))); return false\">Next</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
}