//rsspausingscroller.js
//inline RSS setup script

/*
======================================================================
Pausing RSS scroller JavaScript engine- © Dynamic Drive (http://www.dynamicdrive.com)
Docs: http://www.dynamicdrive.com/dynamicindex17/rsspausescroller/
Last modified: March 16th, 2006.
======================================================================
*/
var bridgepath="http://www.techfest.org/rss/scrollerbridge.php"
function formatrssmessage(divid,msgnumber,linktarget,logicswitch){var rsscontent=rsscontentdata[divid][msgnumber]
var linktitle='<span class="rsstitle"><a href="'+unescape(rsscontent.link)+'" target="'+linktarget+'">'+unescape(rsscontent.title)+'</a></span>'
var description='<div class="rssdescription">'+unescape(rsscontent.description)+'</div>'
var feeddate='<span class="rssdate">'+unescape(rsscontent.date)+'</span>'
if(logicswitch.indexOf("description")!=-1&&logicswitch.indexOf("date")!=-1)
return linktitle+"<br />"+feeddate+description
else if(logicswitch.indexOf("description")!=-1)
return linktitle+"<br />"+description
else if(logicswitch.indexOf("date")!=-1)
return linktitle+"<br />"+feeddate
else
return linktitle}
var rsscontentdata=new Array()
function rsspausescroller(RSS_id,divId,divClass,delay,linktarget,logicswitch){this.tickerid=divId
this.delay=delay
this.linktarget=(typeof linktarget!="undefined")?linktarget:""
this.logicswitch=(typeof logicswitch!="undefined")?logicswitch:""
this.mouseoverBol=0
this.hiddendivpointer=1
this.js_is_loaded=0
this.number_of_tries=0
document.write('<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden"><div class="innerDiv" style="position: absolute; width: 100%" id="'+divId+'1"><span style="position: absolute">Fetching the updates..</span></div><div class="innerDiv" style="position: absolute; width: 100%; visibility: hidden" id="'+divId+'2"></div></div>')
if(document.getElementById){var parameters="id="+encodeURIComponent(RSS_id)+"&divid="+divId+"&bustcache="+new Date().getTime()
rsspausescroller.getRSScontentJS(bridgepath+"?"+parameters)
this.do_onjsload()}}
rsspausescroller.prototype.do_onjsload=function(){var scrollerinstance=this
if(typeof rsscontentdata[this.tickerid]=="undefined"&&this.number_of_tries<40){this.number_of_tries++
setTimeout(function(){scrollerinstance.do_onjsload()},200)}
else if(typeof rsscontentdata[this.tickerid]!="undefined"){this.tickerdiv=document.getElementById(this.tickerid)
this.visiblediv=document.getElementById(this.tickerid+"1")
this.hiddendiv=document.getElementById(this.tickerid+"2")
this.visibledivtop=parseInt(rsspausescroller.getCSSpadding(this.tickerdiv))
this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
this.visiblediv.innerHTML=formatrssmessage(this.tickerid,0,this.linktarget,this.logicswitch)
this.hiddendiv.innerHTML=formatrssmessage(this.tickerid,1,this.linktarget,this.logicswitch)
this.do_ondivsinitialized()}
else
document.getElementById(this.tickerid).innerHTML=rsscontentdata+"<br />The updates could not be loaded. There was some problem with the Internet connection."}
rsspausescroller.prototype.do_ondivsinitialized=function(){var scrollerinstance=this
if(parseInt(this.visiblediv.offsetHeight)==0||parseInt(this.hiddendiv.offsetHeight)==0)
setTimeout(function(){scrollerinstance.do_ondivsinitialized()},100)
else
this.initialize()}
rsspausescroller.prototype.initialize=function(){var scrollerinstance=this
this.getinline(this.visiblediv,this.hiddendiv)
this.hiddendiv.style.visibility="visible"
this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
this.tickerdiv.onmouseover=function(){scrollerinstance.mouseoverBol=1}
this.tickerdiv.onmouseout=function(){scrollerinstance.mouseoverBol=0}
if(window.attachEvent)
window.attachEvent("onunload",function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null})
setTimeout(function(){scrollerinstance.animateup()},this.delay)}
rsspausescroller.prototype.animateup=function(){var scrollerinstance=this
if(parseInt(this.hiddendiv.style.top)>(this.visibledivtop+5)){this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-5+"px"
this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-5+"px"
setTimeout(function(){scrollerinstance.animateup()},50)}
else{this.getinline(this.hiddendiv,this.visiblediv)
this.swapdivs()
setTimeout(function(){scrollerinstance.rotatemessage()},this.delay)}}
rsspausescroller.prototype.swapdivs=function(){var tempcontainer=this.visiblediv
this.visiblediv=this.hiddendiv
this.hiddendiv=tempcontainer}
rsspausescroller.prototype.getinline=function(div1,div2){div1.style.top=this.visibledivtop+"px"
div2.style.top=Math.max(div1.parentNode.offsetHeight,div1.offsetHeight)+"px"}
rsspausescroller.prototype.rotatemessage=function(){var scrollerinstance=this
if(this.mouseoverBol==1)
setTimeout(function(){scrollerinstance.rotatemessage()},100)
else{var i=this.hiddendivpointer
var ceiling=rsscontentdata[this.tickerid].length
this.hiddendivpointer=(i+1>ceiling-1)?0:i+1
this.hiddendiv.innerHTML=formatrssmessage(this.tickerid,this.hiddendivpointer,this.linktarget,this.logicswitch)
this.animateup()}}
rsspausescroller.getRSScontentJS=function(scripturl){var scriptref=document.createElement('script')
scriptref.setAttribute("type","text/javascript")
scriptref.setAttribute("src",scripturl)
document.getElementsByTagName("head").item(0).appendChild(scriptref)}
rsspausescroller.getCSSpadding=function(tickerobj){if(tickerobj.currentStyle)
return tickerobj.currentStyle["paddingTop"]
else if(window.getComputedStyle)
return window.getComputedStyle(tickerobj,"").getPropertyValue("padding-top")
else
return 0}
var is={ie:navigator.appName=='Microsoft Internet Explorer',java:navigator.javaEnabled(),ns:navigator.appName=='Netscape',ua:navigator.userAgent.toLowerCase(),version:parseFloat(navigator.appVersion.substr(21))||parseFloat(navigator.appVersion),win:navigator.platform=='Win32'}
is.mac=is.ua.indexOf('mac')>=0;if(is.ua.indexOf('opera')>=0){is.ie=is.ns=false;is.opera=true;}
if(is.ua.indexOf('gecko')>=0){is.ie=is.ns=false;is.gecko=true;}




new rsspausescroller("techfest", "pscroller2", "rssclass", 3000, "", "description")