/* inicio  do sroller*/	
function pausescroller(content, divId, divClass, delay){
		 this.content=content    //message array content
		 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 scroller (and pause it if it is)
		 this.hiddendivpointer=1 //index of message array for hidden div
		 document.write('<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden"><div class="innerDiv" style="position: absolute; width: 100%" id="'+divId+'1">'+content[0]+'</div><div class="innerDiv" style="position: absolute; width: 100%; visibility: hidden" id="'+divId+'2">'+content[1]+'</div></div>')
				var scrollerinstance=this
				if (window.addEventListener) //run onload in DOM2 browsers
					window.addEventListener("load", function(){scrollerinstance.initialize()}, false)
				else if (window.attachEvent) //run onload in IE5.5+
						 window.attachEvent("onload", function(){scrollerinstance.initialize()})
				else if (document.getElementById) //if legacy DOM browsers, just start scroller after 0.5 sec
				setTimeout(function(){scrollerinstance.initialize()}, 500)
}

// -------------------------------------------------------------------
// initializa o metodo scroller 
// configura a poição da div
// -------------------------------------------------------------------

	pausescroller.prototype.initialize=function(){
		this.tickerdiv=document.getElementById(this.tickerid)
		this.visiblediv=document.getElementById(this.tickerid+"1")
		this.hiddendiv=document.getElementById(this.tickerid+"2")
		this.visibledivtop=parseInt(pausescroller.getCSSpadding(this.tickerdiv))
		//set width of inner DIVs to outer DIV's width minus padding (padding assumed to be top padding x 2)
		this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
		this.getinline(this.visiblediv, this.hiddendiv)
		this.hiddendiv.style.visibility="visible"
		var scrollerinstance=this
			document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.mouseoverBol=1}
			document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.mouseoverBol=0}
		if (window.attachEvent) //Clean up loose references in IE
			window.attachEvent("onunload", function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null})
			setTimeout(function(){scrollerinstance.animateup()}, this.delay)
	}

// -------------------------------------------------------------------
// animateup()- Move the two inner divs of the scroller up and in sync
// -------------------------------------------------------------------

	pausescroller.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.setmessage()}, this.delay)
		}
	}

// -------------------------------------------------------------------
// swapdivs()- Swap between which is the visible and which is the hidden div
// -------------------------------------------------------------------

	pausescroller.prototype.swapdivs=function(){
		var tempcontainer=this.visiblediv
		this.visiblediv=this.hiddendiv
		this.hiddendiv=tempcontainer
	}

	pausescroller.prototype.getinline=function(div1, div2){
		div1.style.top=this.visibledivtop+"px"
		div2.style.top=Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)+"px"
	}
// -------------------------------------------------------------------
// setmessage()- Populate the hidden div with the next message before it's visible
// -------------------------------------------------------------------

	pausescroller.prototype.setmessage=function(){
		var scrollerinstance=this
		if (this.mouseoverBol==1) //if mouse is currently over scoller, do nothing (pause it)
				 setTimeout(function(){scrollerinstance.setmessage()}, 100)
			else{
				var i=this.hiddendivpointer
				var ceiling=this.content.length
				this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1
				this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
				this.animateup()
			}
		}

	pausescroller.getCSSpadding=function(tickerobj){ //get CSS padding value, if any
		if (tickerobj.currentStyle)
			return tickerobj.currentStyle["paddingTop"]
			else if (window.getComputedStyle) //if DOM2
				return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top")
				else
		return 0
	}
/* fim  do sroller*/