// -------------------------------------------------------------------
// Ajax XML Ticker (txt file source)
// 
// -------------------------------------------------------------------

////////////No need to edit beyond here//////////////

//START 5/3/2006 3:25PM by vivek
var msgs = []
var msg_url = []
var count=0
var contentdiv1
var currentInst

 var timer =100
//END 5/3/2006 3:25PM by vivek
 
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 Ajax Ticker Object function
// ajax_ticker(xmlfile, divId, divClass, delay, optionalfadeornot)
// -------------------------------------------------------------------

function ajax_ticker(xmlfile, divId, divClass, delay, fadeornot){
this.xmlfile=xmlfile //Variable pointing to the local ticker xml file (txt)
this.tickerid=divId //ID of ticker div to display information
this.delay=delay //Delay between msg change, in miliseconds.
this.mouseoverBol=0 //Boolean to indicate whether mouse is currently over ticker (and pause it if it is)
this.pointer=0
this.opacitystring=(typeof fadeornot!="undefined")? "width: 100%; filter:progid:DXImageTransform.Microsoft.alpha(opacity=100); -moz-opacity: 1" : ""
if (this.opacitystring!="") this.delay+=600 //add 1/2 sec to account for fade effect, if enabled
this.opacitysetting=0.2 //Opacity value when reset. Internal use.
this.messages=[] //Arrays to hold each message of ticker
this.ajaxobj=createAjaxObj()

//START 5/3/2006 3:25PM by vivek
/*
var barwidth='350px' //Enter main bar width in px or %
var setdelay=3000 //Enter delay between msgs, in mili-seconds
var mouseover_color='#E1FFE1' //Specify highlight color
var mouseout_color='#FFFFFF' //Specify default color
/////////////////////////////////////////////////////////////////////

var count=0;
var ns6=document.getElementById&&!document.all
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
if (ie4||ns6)
{
	document.write('<form name="news_bar"><input type="button" value="3" onclick="this.initialize()" class="scrollerstyle" style="width:22px; height:22px; border-right-width:0px;" name="prev" title="Previous News"><!--input type="button" name="news_bar_but" onclick="goURL();" style="color:#000000;background:#FFFFFF; width:'+barwidth+'; height:22px; border-width:1; border-color:#000000; cursor:hand" onmouseover="this.style.background=mouseover_color" onmouseout="this.style.background=mouseout_color"//--><input type="button" value="4" onclick="this.moveit(1)" class="scrollerstyle" style="width:22px; height:22px; border-left-width:0px;" name="next" title="Next News"></form>');
//	document.write('<input type="button" value="3" onclick="this.moveit(0)" class="scrollerstyle" style="width:22px; height:22px; border-right-width:0px;" name="prev" title="Previous News"><!--input type="button" name="news_bar_but" onclick="goURL();" style="color:#000000;background:#FFFFFF; width:'+barwidth+'; height:22px; border-width:1; border-color:#000000; cursor:hand" onmouseover="this.style.background=mouseover_color" onmouseout="this.style.background=mouseout_color"//--><input type="button" value="4" onclick="this.moveit(1)" class="scrollerstyle" style="width:22px; height:22px; border-left-width:0px;" name="next" title="Next News">');	
}
else
{
		document.write('<form name="news_bar"><input type="button" value="Previous" onclick="moveit(0)">')

//		if (navigator.userAgent.indexOf("Opera")!=-1)
//			document.write('<input type="button" name="news_bar_but" onclick="goURL();" style="width:'+barwidth+'" border="0">')
//		else
//			document.write('<input type="button" name="news_bar_but" onclick="goURL();" width="'+barwidth+'" border="0">')

		document.write('<input type="button" value="Next" onclick="moveit(1)"></form>')
}
*/
//END 5/3/2006 3:25PM by vivek

document.write('<div id="'+divId+'" class="'+divClass+'"><div style="'+this.opacitystring+'"></div></div>')
this.getXMLfile()
}

// -------------------------------------------------------------------
// getXMLfile()- Use Ajax to fetch xml file (txt)
// -------------------------------------------------------------------

ajax_ticker.prototype.getXMLfile=function(){
if (this.ajaxobj){
var instanceOfTicker=this
var url=this.xmlfile+"?bustcache="+new Date().getTime()
this.ajaxobj.onreadystatechange=function(){instanceOfTicker.initialize()}
this.ajaxobj.open('GET', url, true)
this.ajaxobj.send(null)
}
}

// -------------------------------------------------------------------
// initialize()- Initialize ticker method.
// -Gets contents of xml file and parse it using JavaScript DOM methods 
// -------------------------------------------------------------------

ajax_ticker.prototype.initialize=function(){ 
if (this.ajaxobj.readyState == 4){ //if request of file completed
if (this.ajaxobj.status==200 || window.location.href.indexOf("http")==-1){ //if request was successful
this.contentdiv=document.getElementById(this.tickerid).firstChild //div of inner content that holds the messages
var xmldata=this.ajaxobj.responseText
this.contentdiv.style.display="none"
this.contentdiv.innerHTML=xmldata
if (this.contentdiv.getElementsByTagName("div").length==0){ //if no messages were found
this.contentdiv.innerHTML="<b>Error</b> fetching remote ticker file!"
return
}
var instanceOfTicker=this
//document.getElementById(this.tickerid).onmouseover=function(){instanceOfTicker.mouseoverBol=1}
document.getElementById(this.tickerid).onmouseout=function(){instanceOfTicker.mouseoverBol=0}
if (window.attachEvent) //Clean up loose references in IE
window.attachEvent("onunload", function(){instanceOfTicker.contentdiv=instanceOfTicker.ajaxobj=null})
//Cycle through XML object and store each message inside array
for (var i=0; i<this.contentdiv.getElementsByTagName("div").length; i++)
{
	if (this.contentdiv.getElementsByTagName("div")[i].className=="message")
	{
	this.messages[this.messages.length]=this.contentdiv.getElementsByTagName("div")[i].innerHTML
	//START 5/3/2006 3:25PM by vivek
	msgs[msgs.length]=this.contentdiv.getElementsByTagName("div")[i].innerHTML
	//msg_url[this.messages.length]=this.contentdiv.getElementsByTagName("div")[i].innerHTML
	//END 5/3/2006 3:25PM by vivek
	}
}
this.contentdiv.innerHTML=""
this.contentdiv.style.display="block"
this.rotatemsg()
contentdiv1=this.contentdiv 
}
}
}

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

ajax_ticker.prototype.rotatemsg=function(){
var instanceOfTicker=this
currentInst=instanceOfTicker
if (this.mouseoverBol==1) //if mouse is currently over ticker, do nothing (pause it)
{
//setTimeout(function(){instanceOfTicker.rotatemsg()}, 100)
}
else{ //else, construct item, show and rotate it!
this.fadetransition("reset") //FADE EFFECT- RESET OPACITY
this.contentdiv.innerHTML=this.messages[this.pointer]
this.fadetimer1=setInterval(function(){instanceOfTicker.fadetransition('up', 'fadetimer1')}, 100) //FADE EFFECT- PLAY IT
this.pointer=(this.pointer<this.messages.length-1)? this.pointer+1 : 0
setTimeout(function(){instanceOfTicker.rotatemsg()}, this.delay) //update container periodically
}
}

// -------------------------------------------------------------------
// fadetransition()- cross browser fade method for IE5.5+ and Mozilla/Firefox
// -------------------------------------------------------------------

ajax_ticker.prototype.fadetransition=function(fadetype, timerid){
var contentdiv=this.contentdiv
if (fadetype=="reset")
this.opacitysetting=0.2
if (contentdiv.filters && contentdiv.filters[0]){
if (typeof contentdiv.filters[0].opacity=="number") //IE6+
contentdiv.filters[0].opacity=this.opacitysetting*100
else //IE 5.5
contentdiv.style.filter="alpha(opacity="+this.opacitysetting*100+")"
}
else if (typeof contentdiv.style.MozOpacity!="undefined" && this.opacitystring!=""){
contentdiv.style.MozOpacity=this.opacitysetting
}
else
this.opacitysetting=1
if (fadetype=="up")
this.opacitysetting+=0.1
if (fadetype=="up" && this.opacitysetting>=1)
clearInterval(this[timerid])
}

//START 5/3/2006 3:48PM  by vivek
//moveit function by Dynamicdrive.com

//ajax_ticker.prototype.moveit=function(how)
function moveit(how)
{
	
	if (how==1)
	{ 
		//cycle foward
		if (count<msgs.length-1)
		count++
		else
		count=0
		
		contentdiv1.innerHTML=msgs[count]
//		currentInst.mouseoverBol=0
	}
	else if  (how==0)
	{
		//cycle backward
		if (count==0)
		count=msgs.length-1
		else
		count--
		
		contentdiv1.innerHTML=msgs[count]
//		currentInst.mouseoverBol=0
	}
	else
	{
		currentInst.mouseoverBol=1
	}
}

//END 5/3/2006 3:48PM by vivek