var isMSIE = /*@cc_on!@*/false;

function createAjaxObj(){

var httprequest=false

if (window.XMLHttpRequest){ // if Mozilla, Safari etc

httprequest=new XMLHttpRequest()

if (httprequest.overrideMimeType)

httprequest.overrideMimeType('text/xml')

}

else if (window.ActiveXObject){ // if IE

try {

httprequest=new ActiveXObject("Msxml2.XMLHTTP");

}

catch (e){

try{

httprequest=new ActiveXObject("Microsoft.XMLHTTP");

}

catch (e){}

}

}

return httprequest

}



// -------------------------------------------------------------------

// Main RSS Ticker Object function

// rss_ticker(RSS_id, cachetime, divId, divClass, delay, optionalswitch)

// -------------------------------------------------------------------



function rss_ticker(RSS_id, ticker, optionalswitch){

CurrentLength=0;

this.RSS_id=RSS_id //Array key indicating which RSS feed to display

this.ticker=ticker

this.cachetime=120 //Time to cache feed, in minutes. 0=no cache.

this.tickerid='newsbox' //ID of ticker div to display information

this.delay=3000 //Delay between msg change, in miliseconds.

this.logicswitch=(typeof optionalswitch!="undefined")? optionalswitch : -1

this.mouseoverBol=0 //Boolean to indicate whether mouse is currently over ticker (and pause it if it is)

this.pointer=0

divId='newsbox';

divClass='newsclass';

this.ajaxobj=createAjaxObj()

document.write('<div id=\"newsbox\" class=\"newsclass\"></div>')

//document.write('<div id="'+divId+'" class="'+divClass+'"></div>')

this.getAjaxcontent()

}



// -------------------------------------------------------------------

// getAjaxcontent()- Makes asynchronous GET request to "rssfetch.php" with the supplied parameters

// -------------------------------------------------------------------



rss_ticker.prototype.getAjaxcontent=function(){

if (this.ajaxobj){

var instanceOfTicker=this

var parameters="id="+encodeURIComponent(this.RSS_id)

this.ajaxobj.onreadystatechange=function(){instanceOfTicker.initialize()}

this.ajaxobj.open('GET', this.RSS_id, true)

this.ajaxobj.send(null)

}

}



// -------------------------------------------------------------------

// initialize()- Initialize ticker method.

// -Gets contents of RSS content and parse it using JavaScript DOM methods

// -------------------------------------------------------------------



rss_ticker.prototype.initialize=function(){

if (this.ajaxobj.readyState == 4){ //if request of file completed

if (this.ajaxobj.status==200){ //if request was successful

var xmldata=this.ajaxobj.responseXML
// item has changed to rss:item in feed.

if (isMSIE){
	if (xmldata.getElementsByTagName("rss\:item").length==0){ //if no <item> elements found in returned content
	
		document.getElementById(this.tickerid).innerHTML="<b>Error</b> fetching remote RSS feed!<br />"+this.ajaxobj.responseText
	
		return
	}
}
else{
	if (xmldata.getElementsByTagNameNS("*", "item").length==0){ //if no <item> elements found in returned content
	
		document.getElementById(this.tickerid).innerHTML="<b>Error</b> fetching remote RSS feed!<br />"+this.ajaxobj.responseText
	
		return
	}
}

var instanceOfTicker=this;
// item has changed to rss:item in feed.

if (isMSIE){
	this.feeditems=xmldata.getElementsByTagName("rss\:item");
}
else{
	this.feeditems=xmldata.getElementsByTagNameNS("*", "item");
}


//Cycle through RSS XML object and store each piece of the item element as an attribute of the element

for (var i=0; i<this.feeditems.length; i++){
// title has changed to rss:title in feed.
	if (isMSIE){
		this.feeditems[i].setAttribute("ctitle", this.feeditems[i].getElementsByTagName("rss\:title")[0].firstChild.nodeValue)
		// link has changed to rss:link in feed.
		
		this.feeditems[i].setAttribute("clink", this.feeditems[i].getElementsByTagName("rss\:link")[0].firstChild.nodeValue)
		// description has changed to rss:description in feed.
		
		this.feeditems[i].setAttribute("cdescription", this.feeditems[i].getElementsByTagName("rss\:description")[0].firstChild.nodeValue)
	}
	else{
		this.feeditems[i].setAttribute("ctitle", this.feeditems[i].getElementsByTagNameNS("*", "title")[0].firstChild.nodeValue)
		// link has changed to rss:link in feed.
		
		this.feeditems[i].setAttribute("clink", this.feeditems[i].getElementsByTagNameNS("*", "link")[0].firstChild.nodeValue)
		// description has changed to rss:description in feed.
		
		this.feeditems[i].setAttribute("cdescription", this.feeditems[i].getElementsByTagNameNS("*", "description")[0].firstChild.nodeValue)
	}
}

document.getElementById(this.tickerid).onmouseover=function(){instanceOfTicker.mouseoverBol=1}

document.getElementById(this.tickerid).onmouseout=function(){instanceOfTicker.mouseoverBol=0}





this.rotatemsg()

}

}

}



// -------------------------------------------------------------------

// rotatemsg()- Rotate through RSS messages and displays them

// -------------------------------------------------------------------



rss_ticker.prototype.rotatemsg=function(){

var instanceOfTicker=this

if (this.mouseoverBol==1) //if mouse is currently over ticker, do nothing (pause it)

setTimeout(function(){instanceOfTicker.rotatemsg()}, 100)

else {







var tickerDiv=document.getElementById(this.tickerid);

//var tickercontent='<a href="'+this.feeditems[this.pointer].getAttribute("clink")+'">'+this.feeditems[this.pointer].getAttribute("ctitle")+'</a>'

var link='<p>Latest: <a href="'+this.feeditems[this.pointer].getAttribute("clink")+'">';

var title=this.feeditems[this.pointer].getAttribute("ctitle");

var endlink='</a></p>';



if (this.ticker=='True') {

tickercontent=link+title.substring(0, CurrentLength)+endlink;

if (this.logicswitch=="True"){

tickercontent+="<br />"+this.feeditems[this.pointer].getAttribute("cdescription");}

tickerDiv.innerHTML=tickercontent;



if (CurrentLength!=title.length) {

CurrentLength++;

this.delay=50;

}

else {

this.delay=3000;

this.pointer=(this.pointer<this.feeditems.length-1)? this.pointer+1 : 0

CurrentLength=0;

}

} else {



tickercontent=link+title+endlink;

if (this.logicswitch=="True") {

tickercontent+="<br />"+this.feeditems[this.pointer].getAttribute("cdescription");}

tickerDiv.innerHTML=tickercontent;

this.pointer=(this.pointer<this.feeditems.length-1)? this.pointer+1 : 0

}



//if (this.logicswitch=="showdescription")

//tickercontent+="<br />"+this.feeditems[this.pointer].getAttribute("cdescription")

//tickerDiv.innerHTML=tickercontent

setTimeout(function(){instanceOfTicker.rotatemsg()}, this.delay) //update container every second

}

}