// -------------------------------------------------------------------
// Ajax XML Ticker (txt file source)
// Author: Dynamic Drive (http://www.dynamicdrive.com)
// Modified by MvE Designs (http://www.mvedesigns.eu)
// -------------------------------------------------------------------

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

function createAjaxObj2(){
   try { return new XMLHttpRequest(); } catch(e) {}
   try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); } catch (e) {}
   try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); } catch (e) {}
   try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
   
   alert("XMLHttpRequest not supported");   
   return null;
}

// -------------------------------------------------------------------
// Main Ajax Ticker Object function
// ajax_ticker(xmlfile, divId, divClass, delay, optionalfadeornot)
// -------------------------------------------------------------------

function ajax_ticker2(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*1000 //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+=500 //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=createAjaxObj2()
   document.write('<div id="'+divId+'" class="'+divClass+'"><div style="'+this.opacitystring+'">Initializing ticker...</div></div>')
   this.getXMLfile2()
}

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

ajax_ticker2.prototype.getXMLfile2=function(){
   if (this.ajaxobj){
      var instanceOfTicker=this
      var url=this.xmlfile+"?bustcache="+new Date().getTime()
      this.ajaxobj.onreadystatechange=function(){instanceOfTicker.initialize2()}
      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_ticker2.prototype.initialize2=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=="tickermsg2")
            this.messages[this.messages.length]=this.contentdiv.getElementsByTagName("div")[i].innerHTML
         }
         this.contentdiv.innerHTML=""
         this.contentdiv.style.display="block"
         this.rotatemsg2()
      }
   }
}

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

ajax_ticker2.prototype.rotatemsg2=function(){
   var instanceOfTicker=this
   if (this.mouseoverBol==1) //if mouse is currently over ticker, do nothing (pause it)
      setTimeout(function(){instanceOfTicker.rotatemsg2()}, 100)
   else{ //else, construct item, show and rotate it!
      this.fadetransition2("reset") //FADE EFFECT- RESET OPACITY
      this.contentdiv.innerHTML=this.messages[this.pointer]
      this.fadetimer1=setInterval(function(){instanceOfTicker.fadetransition2('up', 'fadetimer1')}, 100) //FADE EFFECT- PLAY IT
      this.pointer=(this.pointer<this.messages.length-1)? this.pointer+1 : 0
      setTimeout(function(){instanceOfTicker.rotatemsg2()}, this.delay) //update container periodically
   }
}

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

ajax_ticker2.prototype.fadetransition2=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])
}