﻿

/***********************************************
* 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+' newsScroll" 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+2)){
this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-2+"px"
this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-2+"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
}




var scrollerwidth="100%"
var scrollerheight="100px"
var scrollerspeed=1
var scrollercontent='<center>Sample scrolling content created by <a href="http://www.dontblink.net" target="_blank">DontBlink Designs</a>.<center>'
var pauseit=1

// Change nothing below!

scrollerspeed=(document.all)? scrollerspeed : Math.max(1, scrollerspeed-1) //slow speed down by 1 for NS
var copyspeed=scrollerspeed
var iedom=document.all||document.getElementById
var actualheight=''
var cross_scroller, ns_scroller
var pausespeed=(pauseit==0)? copyspeed: 0

function populate(){
    if (iedom){
        cross_scroller=document.getElementById? document.getElementById("iescroller") : document.all.iescroller
        cross_scroller.style.top=parseInt(scrollerheight)+8+"px"
        cross_scroller.innerHTML=scrollercontent
        actualheight=cross_scroller.offsetHeight
    } else if (document.layers){
        ns_scroller=document.ns_scroller.document.ns_scroller2
        ns_scroller.top=parseInt(scrollerheight)+8
        ns_scroller.document.write(scrollercontent)
        ns_scroller.document.close()
        actualheight=ns_scroller.document.height
    }
    lefttime=setInterval("scrollscroller()",35)
}
WindowOnload( populate );

function scrollscroller(){
    if (iedom){
        if (parseInt(cross_scroller.style.top)>(actualheight*(-1)+8))
            cross_scroller.style.top=parseInt(cross_scroller.style.top)-copyspeed+"px"
        else
            cross_scroller.style.top=parseInt(scrollerheight)+8+"px"
    } else if (document.layers){
        if (ns_scroller.top>(actualheight*(-1)+8))
            ns_scroller.top-=copyspeed
        else
            ns_scroller.top=parseInt(scrollerheight)+8
    }
}

function littleNewsScroll(itemNewW, itemNewH) {
    scrollerwidth = itemNewW
    scrollerheight = itemNewH
    if (iedom||document.layers){
        with (document){
            if (iedom){
                write('<div style="position:relative;width:'+scrollerwidth+';height:'+scrollerheight+';overflow:hidden;" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=scrollerspeed" class="newsScroll">')
                write('<div id="iescroller" style="position:absolute;left:0px;top:0px;width:100%; padding:4px;">')
                write('</div></div>')
            } else if (document.layers){
                write('<ilayer width='+scrollerwidth+' height='+scrollerheight+' name="ns_scroller" class="newsScroll">')
                write('<layer name="ns_scroller2" width='+scrollerwidth+' height='+scrollerheight+' left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=scrollerspeed"></layer>')
                write('</ilayer>')
            }
        }
    }
}



