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//** Featured Content Slider script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com. |
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//** May 2nd, 08'- Script rewritten and updated to 2.0. |
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//** June 12th, 08'- Script updated to v 2.3, which adds the following features: |
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//1) Changed behavior of script to actually collapse the previous content when the active one is shown, instead of just tucking it underneath the later. |
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//2) Added setting to reveal a content either via "click" or "mouseover" of pagination links (default is former). |
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//3) Added public function for jumping to a particular slide within a Featured Content instance using an arbitrary link, for example. |
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//** July 11th, 08'- Script updated to v 2.4: |
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//1) Added ability to select a particular slide when the page first loads using a URL parameter (ie: mypage.htm?myslider=4 to select 4th slide in "myslider") |
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//2) Fixed bug where the first slide disappears when the mouse clicks or mouses over it when page first loads. |
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var featuredcontentslider={ |
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//3 variables below you can customize if desired: |
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ajaxloadingmsg: '<div style="margin: 20px 0 0 20px"><img src="loading.gif" /> Fetching slider Contents. Please wait...</div>', |
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bustajaxcache: true, //bust caching of external ajax page after 1st request? |
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enablepersist: true, //persist to last content viewed when returning to page? |
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settingcaches: {}, //object to cache "setting" object of each script instance |
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jumpTo:function(fcsid, pagenumber){ //public function to go to a slide manually. |
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this.turnpage(this.settingcaches[fcsid], pagenumber) |
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}, |
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ajaxconnect:function(setting){ |
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var page_request = false |
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if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken) |
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try { |
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page_request = new ActiveXObject("Msxml2.XMLHTTP") |
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} |
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catch (e){ |
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try{ |
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page_request = new ActiveXObject("Microsoft.XMLHTTP") |
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} |
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catch (e){} |
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} |
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} |
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else if (window.XMLHttpRequest) // if Mozilla, Safari etc |
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page_request = new XMLHttpRequest() |
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else |
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return false |
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var pageurl=setting.contentsource[1] |
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page_request.onreadystatechange=function(){ |
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featuredcontentslider.ajaxpopulate(page_request, setting) |
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} |
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document.getElementById(setting.id).innerHTML=this.ajaxloadingmsg |
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var bustcache=(!this.bustajaxcache)? "" : (pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime() |
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page_request.open('GET', pageurl+bustcache, true) |
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page_request.send(null) |
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}, |
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ajaxpopulate:function(page_request, setting){ |
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if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){ |
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document.getElementById(setting.id).innerHTML=page_request.responseText |
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this.buildpaginate(setting) |
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} |
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}, |
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buildcontentdivs:function(setting){ |
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//alert(document.getElementById(setting)) |
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var alldivs=document.getElementById(setting.id).getElementsByTagName("div") |
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for (var i=0; i<alldivs.length; i++){ |
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if (this.css(alldivs[i], "contentdiv", "check")){ //check for DIVs with class "contentdiv" |
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setting.contentdivs.push(alldivs[i]) |
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alldivs[i].style.display="none" //collapse all content DIVs to begin with |
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} |
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} |
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}, |
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buildpaginate:function(setting){ |
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this.buildcontentdivs(setting) |
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var sliderdiv=document.getElementById(setting.id) |
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var pdiv=document.getElementById("paginate-"+setting.id) |
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var phtml="" |
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var toc=setting.toc |
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var nextprev=setting.nextprev |
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if (typeof toc=="string" && toc!="markup" || typeof toc=="object"){ |
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for (var i=1; i<=setting.contentdivs.length; i++){ |
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phtml+='<a href="#'+i+'" class="toc">'+(typeof toc=="string"? toc.replace(/#increment/, i) : toc[i-1])+'</a> ' |
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} |
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phtml=(nextprev[0]!=''? '<a href="#prev" class="prev">'+nextprev[0]+'</a> ' : '') + phtml + (nextprev[1]!=''? '<a href="#next" class="next">'+nextprev[1]+'</a>' : '') |
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pdiv.innerHTML=phtml |
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} |
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var pdivlinks=pdiv.getElementsByTagName("a") |
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var toclinkscount=0 //var to keep track of actual # of toc links |
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for (var i=0; i<pdivlinks.length; i++){ |
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if (this.css(pdivlinks[i], "toc", "check")){ |
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if (toclinkscount>setting.contentdivs.length-1){ //if this toc link is out of range (user defined more toc links then there are contents) |
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pdivlinks[i].style.display="none" //hide this toc link |
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continue |
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} |
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pdivlinks[i].setAttribute("rel", ++toclinkscount) //store page number inside toc link |
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pdivlinks[i][setting.revealtype]=function(){ |
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featuredcontentslider.turnpage(setting, this.getAttribute("rel")) |
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return false |
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} |
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setting.toclinks.push(pdivlinks[i]) |
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} |
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else if (this.css(pdivlinks[i], "prev", "check") || this.css(pdivlinks[i], "next", "check")){ //check for links with class "prev" or "next" |
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pdivlinks[i].onclick=function(){ |
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featuredcontentslider.turnpage(setting, this.className) |
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return false |
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} |
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} |
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} |
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this.turnpage(setting, setting.currentpage, true) |
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if (setting.autorotate[0]){ //if auto rotate enabled |
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pdiv[setting.revealtype]=function(){ |
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featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id]) |
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} |
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sliderdiv["onclick"]=function(){ //stop content slider when slides themselves are clicked on |
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featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id]) |
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} |
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setting.autorotate[1]=setting.autorotate[1]+(1/setting.enablefade[1]*50) //add time to run fade animation (roughly) to delay between rotation |
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this.autorotate(setting) |
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} |
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}, |
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urlparamselect:function(fcsid){ |
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var result=window.location.search.match(new RegExp(fcsid+"=(\\d+)", "i")) //check for "?featuredcontentsliderid=2" in URL |
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return (result==null)? null : parseInt(RegExp.$1) //returns null or index, where index (int) is the selected tab's index |
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}, |
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turnpage:function(setting, thepage, autocall){ |
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var currentpage=setting.currentpage //current page # before change |
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var totalpages=setting.contentdivs.length |
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var turntopage=(/prev/i.test(thepage))? currentpage-1 : (/next/i.test(thepage))? currentpage+1 : parseInt(thepage) |
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turntopage=(turntopage<1)? totalpages : (turntopage>totalpages)? 1 : turntopage //test for out of bound and adjust |
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if (turntopage==setting.currentpage && typeof autocall=="undefined") //if a pagination link is clicked on repeatedly |
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return |
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setting.currentpage=turntopage |
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setting.contentdivs[turntopage-1].style.zIndex=++setting.topzindex |
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this.cleartimer(setting, window["fcsfade"+setting.id]) |
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setting.cacheprevpage=setting.prevpage |
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if (setting.enablefade[0]==true){ |
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setting.curopacity=0 |
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this.fadeup(setting) |
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} |
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if (setting.enablefade[0]==false){ //if fade is disabled, fire onChange event immediately (verus after fade is complete) |
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setting.contentdivs[setting.prevpage-1].style.display="none" //collapse last content div shown (it was set to "block") |
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setting.onChange(setting.prevpage, setting.currentpage) |
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} |
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setting.contentdivs[turntopage-1].style.visibility="visible" |
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setting.contentdivs[turntopage-1].style.display="block" |
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if (setting.prevpage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted) |
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this.css(setting.toclinks[setting.prevpage-1], "selected", "remove") |
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if (turntopage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted) |
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this.css(setting.toclinks[turntopage-1], "selected", "add") |
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setting.prevpage=turntopage |
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if (this.enablepersist) |
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this.setCookie("fcspersist"+setting.id, turntopage) |
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}, |
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setopacity:function(setting, value){ //Sets the opacity of targetobject based on the passed in value setting (0 to 1 and in between) |
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var targetobject=setting.contentdivs[setting.currentpage-1] |
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if (targetobject.filters && targetobject.filters[0]){ //IE syntax |
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if (typeof targetobject.filters[0].opacity=="number") //IE6 |
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targetobject.filters[0].opacity=value*100 |
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else //IE 5.5 |
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targetobject.style.filter="alpha(opacity="+value*100+")" |
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} |
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else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax |
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targetobject.style.MozOpacity=value |
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else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax |
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targetobject.style.opacity=value |
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setting.curopacity=value |
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}, |
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fadeup:function(setting){ |
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if (setting.curopacity<1){ |
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this.setopacity(setting, setting.curopacity+setting.enablefade[1]) |
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window["fcsfade"+setting.id]=setTimeout(function(){featuredcontentslider.fadeup(setting)}, 50) |
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} |
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else{ //when fade is complete |
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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) |
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setting.contentdivs[setting.cacheprevpage-1].style.display="none" //collapse last content div shown (it was set to "block") |
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setting.onChange(setting.cacheprevpage, setting.currentpage) |
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} |
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}, |
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cleartimer:function(setting, timervar){ |
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if (typeof timervar!="undefined"){ |
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clearTimeout(timervar) |
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clearInterval(timervar) |
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if (setting.cacheprevpage!=setting.currentpage){ //if previous content isn't the same as the current shown div |
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setting.contentdivs[setting.cacheprevpage-1].style.display="none" |
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} |
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} |
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}, |
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css:function(el, targetclass, action){ |
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var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig") |
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if (action=="check") |
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return needle.test(el.className) |
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else if (action=="remove") |
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el.className=el.className.replace(needle, "") |
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else if (action=="add") |
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el.className+=" "+targetclass |
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}, |
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autorotate:function(setting){ |
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window["fcsautorun"+setting.id]=setInterval(function(){featuredcontentslider.turnpage(setting, "next")}, setting.autorotate[1]) |
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}, |
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getCookie:function(Name){ |
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var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair |
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if (document.cookie.match(re)) //if cookie found |
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return document.cookie.match(re)[0].split("=")[1] //return its value |
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return null |
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}, |
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setCookie:function(name, value){ |
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document.cookie = name+"="+value |
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}, |
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init:function(setting){ |
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var persistedpage=this.getCookie("fcspersist"+setting.id) || 1 |
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var urlselectedpage=this.urlparamselect(setting.id) //returns null or index from: mypage.htm?featuredcontentsliderid=index |
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this.settingcaches[setting.id]=setting //cache "setting" object |
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setting.contentdivs=[] |
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setting.toclinks=[] |
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setting.topzindex=0 |
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setting.currentpage=urlselectedpage || ((this.enablepersist)? persistedpage : 1) |
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setting.prevpage=setting.currentpage |
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setting.revealtype="on"+(setting.revealtype || "click") |
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setting.curopacity=0 |
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setting.onChange=setting.onChange || function(){} |
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if (setting.contentsource[0]=="inline") |
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this.buildpaginate(setting) |
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if (setting.contentsource[0]=="ajax") |
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this.ajaxconnect(setting) |
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} |
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} |
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