/***********************************************
* DHTML Ticker script- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/


function domticker(content, divId, divClass, delay, fadeornot){
var instanceOfTicker=this
this.content=content
this.tickerid=divId //ID of master ticker div. Message is contained inside first child of ticker div
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=this.content.length-1
this.pause=false
this.stepping=false
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.
document.write('<div>')
document.write('<center>')
document.write('<img src="/images/nav_left1.gif" alt="" id="'+divId+'_rev"> ')
document.write('<img src="/images/nav_pause1.gif" alt="" id="'+divId+'_stop"> ')
document.write('<img src="/images/nav_right1.gif" alt="" id="'+divId+'_fw">')
document.write('</center>')
document.write('<div id="'+divId+'" class="'+divClass+'"><div style="'+this.opacitystring+'">'+content[0]+'</div></div></div>')

instanceOfTicker.initialize()
}

domticker.prototype.roll=function(step){
var instanceOfTicker=this
clearTimeout(this.rotatetimer)
this.fadetransition("stop", "fadetimer1")
if (step==0)
{
	this.pause=true
}
else if (step==1)
{
	this.pause=false
	this.pointer=(this.pointer<this.content.length-1)? this.pointer+1 : 0
	this.contentdiv.innerHTML=this.content[this.pointer]
	this.rotatetimer=setTimeout(function(){instanceOfTicker.rotatemsg()}, this.delay) //update container
}
else
{
	this.pause=false
	this.pointer=(this.pointer>0)? this.pointer-1 : this.content.length-1
	this.contentdiv.innerHTML=this.content[this.pointer]
	this.rotatetimer=setTimeout(function(){instanceOfTicker.rotatemsg()}, this.delay) //update container
}
}

domticker.prototype.initialize=function(){
var instanceOfTicker=this
this.contentdiv=document.getElementById(this.tickerid).firstChild //div of inner content that holds the messages
document.getElementById(this.tickerid).onmouseover=function(){instanceOfTicker.mouseoverBol=1}
document.getElementById(this.tickerid).onmouseout=function(){instanceOfTicker.mouseoverBol=0}

document.getElementById(this.tickerid+'_rev').onclick=function(){document.getElementById(instanceOfTicker.tickerid+'_stop').src='/images/nav_pause1.gif'; instanceOfTicker.roll(-1);}
document.getElementById(this.tickerid+'_stop').onclick=function(){document.getElementById(instanceOfTicker.tickerid+'_stop').src='/images/nav_pause2.gif'; instanceOfTicker.roll(0);}
document.getElementById(this.tickerid+'_fw').onclick=function(){document.getElementById(instanceOfTicker.tickerid+'_stop').src='/images/nav_pause1.gif'; instanceOfTicker.roll(1);}

this.rotatemsg()
}

domticker.prototype.rotatemsg=function(){
var instanceOfTicker=this
if (this.mouseoverBol==1) //if mouse is currently over ticker, do nothing (pause it)
this.rotatetimer=setTimeout(function(){instanceOfTicker.rotatemsg()}, 100)
else {
this.fadetransition("reset") //FADE EFFECT- RESET OPACITY
this.pointer=(this.pointer<this.content.length-1)? this.pointer+1 : 0
this.contentdiv.innerHTML=this.content[this.pointer]
this.fadetimer1=setInterval(function(){instanceOfTicker.fadetransition('up', 'fadetimer1')}, 100) //FADE EFFECT- PLAY IT
this.rotatetimer=setTimeout(function(){instanceOfTicker.rotatemsg()}, this.delay) //update container
}
}

// -------------------------------------------------------------------
// fadetransition()- cross browser fade method for IE5.5+ and Mozilla/Firefox
// -------------------------------------------------------------------

domticker.prototype.fadetransition=function(fadetype, timerid){
var contentdiv=this.contentdiv
if (fadetype=="stop")
this.opacitysetting=1
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

this.opacitysetting+=0.2
if (this.opacitysetting>1)
clearInterval(this[timerid])
}
