var cross_slide, ns_slide;
var copyspeed;
var imagegap=" "; //Specify gap between each image (use HTML):
var slideshowgap=5; //Specify pixels gap between each slideshow rotation (use integer):
var iedom=document.all||document.getElementById
var actualwidth=''
var sliderwidth='';
var sliderheight='';
var slidespeed=0;
var slidebgcolor='';
var finalslide='';
	
function imgHorizonatalScrollerFillup(){
	if (iedom) {
		cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
		cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
		cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide;
		actualwidth=document.all? cross_slide.offsetWidth : document.getElementById("temp").offsetWidth
		cross_slide2.style.left=actualwidth+slideshowgap+"px"
	}
	else if (document.layers) {
		ns_slide=document.ns_slidemenu.document.ns_slidemenu2
		ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
		ns_slide.document.write(leftrightslide)
		ns_slide.document.close()
		actualwidth=ns_slide.document.width
		ns_slide2.left=actualwidth+slideshowgap
		ns_slide2.document.write(leftrightslide)
		ns_slide2.document.close()
	}
	
	lefttime=setInterval("imgHorizonatalScrollerSlideleft()",30)
}
		
function imgHorizonatalScrollerSlideleft() {
	if (iedom) {
		if (parseInt(cross_slide.style.left)>(actualwidth*(-1)+8)) cross_slide.style.left=parseInt(cross_slide.style.left)-copyspeed+"px"
		else cross_slide.style.left=parseInt(cross_slide2.style.left)+actualwidth+slideshowgap+"px"

		if (parseInt(cross_slide2.style.left)>(actualwidth*(-1)+8)) cross_slide2.style.left=parseInt(cross_slide2.style.left)-copyspeed+"px"
		else cross_slide2.style.left=parseInt(cross_slide.style.left)+actualwidth+slideshowgap+"px"
	}
	else if (document.layers) {
		if (ns_slide.left>(actualwidth*(-1)+8)) ns_slide.left-=copyspeed
		else ns_slide.left=ns_slide2.left+actualwidth+slideshowgap

		if (ns_slide2.left>(actualwidth*(-1)+8)) ns_slide2.left-=copyspeed
		else ns_slide2.left=ns_slide.left+actualwidth+slideshowgap
	}
}


function imgHorizonatalScroller(width,height,speed,bgcolor) {	
	sliderwidth=width; 			//Specify the slider's width (in pixels)
	sliderheight=height; 		//Specify the slider's height
	slidespeed=speed;			//Specify the slider's slide speed (larger is faster 1-10)
	slidebgcolor=bgcolor;		//configure background color:
	finalslide=''
	
	copyspeed=slidespeed;
	
	leftrightslide='<nobr><table width='+sliderwidth+' border=0><tr valign="middle">'+leftrightslide.join(imagegap)+'</tr></table></nobr>'
	
	if (iedom) document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100px;left:-9000px">'+leftrightslide+'</span>')
	
	if (iedom||document.layers) {
		with (document) {
			document.write('<table border="0" cellspacing="0" cellpadding="0"><tr align=center valign="middle" height="100"><td style="padding:5px;">')
			if (iedom) {
				write('<div style="position:relative;width:'+sliderwidth+';height:'+sliderheight+';overflow:hidden">')
				write('<div style="position:absolute;width:'+sliderwidth+';height:'+sliderheight+';background-color:'+slidebgcolor+'" onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed">')
				write('<div id="test2" style="position:absolute;left:0px;top:0px"></div>')
				write('<div id="test3" style="position:absolute;left:-1000px;top:0px"></div>')
				write('</div></div>')
			}
			else if (document.layers) {
				write('<ilayer width='+sliderwidth+' height='+sliderheight+' name="ns_slidemenu" bgColor='+slidebgcolor+'>')
				write('<layer name="ns_slidemenu2" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"></layer>')
				write('<layer name="ns_slidemenu3" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"></layer>')
				write('</ilayer>')
			}
		
			document.write('</td></tr></table>')
		}
	}
}

function pausescroller(content, divId, divClass, width, delay, mouseoverstop){
	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=mouseoverstop //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: '+width+'" id="'+divId+'1">'+content[0]+'</div>'+
			'<div class="innerDiv" style="position: absolute; width: '+width+'; 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)
}

// -------------------------------------------------------------------
// 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()}, 30)
	}
	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
}
