/***********************************************
* Pausing up-down scroller- © Dynamic Drive (www.dynamicdrive.com)
***********************************************/

function pausescroller(content, divId, 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.mouseClickUp=0
	this.mouseClickDown=0
	this.hiddendivpointer=1 			//index of message array for hidden div
	document.write('<table border="0"><tr><td align="center" width="75"><span id="imgUp" class="fleche_h"></span><span id="rang" class="compteur">'+this.hiddendivpointer+'</span>/<span class="compteur">'+this.content.length+'</span><span id="imgDown" class="fleche_b"></span></td><td><div id="'+divId+'" 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></td></tr></table>')
	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)
}

// -------------------------------------------------------------------
// initialize()- Initialize scroller method.
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------

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('imgUp').onclick=function(){scrollerinstance.mouseClickUp=1}
	document.getElementById('imgDown').onclick=function(){scrollerinstance.mouseClickDown=1}
	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()

	document.getElementById('rang').innerHTML=this.hiddendivpointer+1

	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 if (this.mouseClickUp==1)
	{
		this.mouseClickUp=0
		var i=this.hiddendivpointer
		var ceiling=this.content.length
		this.hiddendivpointer=(i-1<0)? ceiling - 1 : i-1
		this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
		
		document.getElementById('rang').innerHTML=this.hiddendivpointer+1
		this.animateup()
/*
		this.getinline(this.hiddendiv, this.visiblediv)
		this.swapdivs()
		setTimeout(function(){scrollerinstance.setmessage()}, this.delay)
		*/
	}
	else if (this.mouseClickDown==1)
	{
		this.mouseClickDown=0
		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]

		document.getElementById('rang').innerHTML=this.hiddendivpointer+1
		this.animateup()
/*
		this.getinline(this.hiddendiv, this.visiblediv)
		this.swapdivs()
		setTimeout(function(){scrollerinstance.setmessage()}, this.delay)
		*/
	}
	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
}