/***********************************************
* Pausing up-down scroller- © 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 pausescroller(content, divId, divClass, delay, show){

this.gshow = show;
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
var sdivscroll  =  '<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden">';
sdivscroll +=  '<div class="innerDiv" style="position: absolute; width: 100%" id="'+divId+'1">';

for (var j=0;j<show;j++)
{
	if(content[j])
		sdivscroll += content[j] + '<br>';
}

/*if (content[0])
	sdivscroll += content[0] + '<br>';
if (content[1])
	sdivscroll += content[1] + '<br>';
if (content[2])
	sdivscroll += content[2] + '<br>';
if (content[3])
	sdivscroll += content[3];
	*/


sdivscroll += '</div>'
sdivscroll += '<div class="innerDiv" style="position: absolute; width: 100%; visibility: hidden" id="'+divId+'2">';

for (var j=0;j<show;j++)
{
	if(content[show+j])
		sdivscroll += content[show+j] + '<br>';
}


/*if (content[4])
	sdivscroll += content[4] + '<br>';
if (content[5])
	sdivscroll += content[5] + '<br>';
if (content[6])
	sdivscroll += content[6] + '<br>';
if (content[7])
	sdivscroll += content[7];
	*/

sdivscroll +=  '</div></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>')
document.write(sdivscroll);
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(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+4>ceiling-1)? 0 : i+4

this.hiddendivpointer=(i+this.gshow>ceiling-1)? 0 : i+this.gshow

var contenido = "";

/*contenido = this.content[this.hiddendivpointer]
if (this.hiddendivpointer + 1 < ceiling) 
	contenido += "<br>" + this.content[this.hiddendivpointer + 1];
if (this.hiddendivpointer + 2 < ceiling)
	contenido +="<br>" + this.content[this.hiddendivpointer + 2];
if (this.hiddendivpointer + 3 < ceiling)
	contenido +="<br>" + this.content[this.hiddendivpointer + 3];
	*/

for (j = 0;j<this.gshow;j++)
{
	if (this.hiddendivpointer + j < ceiling) 
	{	
		if (j > 0)
			contenido += "<br>";
		contenido += this.content[this.hiddendivpointer + j];
	}
}

this.hiddendiv.innerHTML=contenido;
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
}