/***********************************************
* 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=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
}
//Featured Content Glider: By http://www.dynamicdrive.com
//Created: Dec 22nd, 07'

var featuredcontentglider={
	csszindex: 100,
	glide:function(config, showpage){
		var selected=parseInt(showpage)
		if (selected>=config.$contentdivs.length){ //if no content exists at this index position
			alert("No content exists at page "+(selected+1)+"! Loading 1st page instead.")
			selected=0
		}
		var $target=config.$contentdivs.eq(selected)
		//Test for toggler not being initialized yet, or user clicks on the currently selected page):
		if (config.$togglerdiv.attr('lastselected')==null || parseInt(config.$togglerdiv.attr('lastselected'))!=selected){
			var $selectedlink=config.$toc.eq(selected)
			config.$next.attr('loadpage', (selected<config.$contentdivs.length-1)? selected+1+'pg' : 0+'pg')
			config.$prev.attr('loadpage', (selected==0)? config.$contentdivs.length-1+'pg' : selected-1+'pg')
			$target.css({top: config.gliderheight, zIndex: this.csszindex++})
			$target.animate({top: 0}, config.speed)
			config.$toc.removeClass('selected')
			$selectedlink.addClass('selected')
			config.$togglerdiv.attr('lastselected', selected+'pg')
		}
	},

	setuptoggler:function(config){
		config.$togglerdiv.hide()
		config.$toc.each(function(index){
				$(this).attr('pagenumber', index+'pg')
				if (index > (config.$contentdivs.length-1))
					$(this).css({display: 'none'}) //hide redundant "toc" links
		})
		var $nextandprev=$("#"+config.togglerid+" .next, #"+config.togglerid+" .prev")
		$nextandprev.click(function(event){ //Assign click behavior to 'next' and 'prev' links
			featuredcontentglider.glide(config, this.getAttribute('loadpage'))
			event.preventDefault() //cancel default link action
		})
		config.$toc.click(function(event){ //Assign click behavior to 'toc' links
			featuredcontentglider.glide(config, this.getAttribute('pagenumber'))
			event.preventDefault()
		})
		config.$togglerdiv.fadeIn(1000, function(){
			featuredcontentglider.glide(config, config.selected)
			if (config.autorotate==true){ //auto rotate contents?
				config.stepcount=0 //set steps taken
				config.totalsteps=config.$contentdivs.length*config.autorotateconfig[1] //Total steps limit: num of contents x num of user specified cycles)
				featuredcontentglider.autorotate(config)
			}
		})
		config.$togglerdiv.click(function(){
			featuredcontentglider.cancelautorotate(config.togglerid)
		})
	},

	autorotate:function(config){
		var rotatespeed=config.speed+config.autorotateconfig[0]
		window[config.togglerid+"timer"]=setInterval(function(){
			if (config.totalsteps>0 && config.stepcount>=config.totalsteps){
				clearInterval(window[config.togglerid+"timer"])
			}
			else{
				config.$next.click()
				config.stepcount++
			}
		}, rotatespeed)
	},

	cancelautorotate:function(togglerid){
		if (window[togglerid+"timer"])
			clearInterval(window[togglerid+"timer"])
	},

	getCookie:function(Name){ 
		var re=new RegExp(Name+"=[^;]+", "i") //construct RE to search for target name/value pair
		if (document.cookie.match(re)) //if cookie found
			return document.cookie.match(re)[0].split("=")[1] //return its value
		return null
	},

	setCookie:function(name, value){
		document.cookie = name+"="+value
	},

	init:function(config){
		$(document).ready(function(){
			config.$glider=$("#"+config.gliderid)
			config.$contentdivs=$("#"+config.gliderid+" ."+config.contentclass)
			config.$togglerdiv=$("#"+config.togglerid)
			config.$toc=config.$togglerdiv.children('.toc')
			config.$next=config.$togglerdiv.children('.next')
			config.$prev=config.$togglerdiv.children('.prev')
			var selected=(config.persiststate)? featuredcontentglider.getCookie(config.gliderid) : config.selected
			config.selected=(isNaN(parseInt(selected))) ? config.selected : selected //test for cookie value containing null (1st page load) or "undefined" string
			config.gliderheight=config.$glider.height()
			config.$contentdivs.css({top: config.gliderheight, height: config.gliderheight, visibility: 'visible'}) //position content divs so they're out of view
			featuredcontentglider.setuptoggler(config)
			$(window).bind('unload', function(){ //clean up and persist
				config.$togglerdiv.unbind('click')
				config.$toc.unbind('click')
				config.$next.unbind('click')
				config.$prev.unbind('click')
				if (config.persiststate)
					featuredcontentglider.setCookie(config.gliderid, config.$togglerdiv.attr('lastselected'))
				config=null
				
			})
		})
	}
}