//** Featured Content Slider script- В© 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=""
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\">'+(slider.paginateText? slider.paginateText[i] : i+1)+'</a> '
pcontent+='<a href="#" style="font-weight: bold;" onClick=\"ContentSlider.turnpage(\''+sliderid+'\', parseInt(this.getAttribute(\'rel\'))); return false\">'+(slider.nextText || "Далее »")+'</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(slideri d) {
v ar 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 (pa ge_ req ues t, 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(e x t e r n a l f i les){ //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
}
}
}
