/*
 *    scroller2.js
 *
 *    MyMortgagePlace.ca scroller
 *    GRAVITON STUDIOS
 */

 
/* Array contents are the messages for the scroller */

var pausecontent = new Array()
pausecontent[0] = '<span style="font-size: 70%;"><br /></span>buying a house should be fun and exciting<br />&ndash; not stressful.'
pausecontent[1] = '<span style="font-size: 130%;"><br /></span>relationships matter!'
pausecontent[2] = '<span style="font-size: 20%;"><br /></span>an experienced mortgage consultant saves you<br />time &amp; money!'
pausecontent[3] = '<span style="font-size: 20%;"><br /></span>best rates should be offered up front<br />&amp; not after<br />negotiating games.'
pausecontent[4] = '<span style="font-size: 50%;"><br /></span>mortgage consulting should create relationships for life.'


/* Script content */


/***********************************************
* 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)
{
	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)
}

// -------------------------------------------------------------------
// 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 = 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
}

