"

From 2012.igem.org

<style type="text/css">

/*Example CSS for the two demo scrollers*/

1. pscroller1{

width: 200px; height: 100px; border: 1px solid black; padding: 5px; background-color: lightyellow; }

1. pscroller2{

width: 350px; height: 20px; border: 1px solid black; padding: 3px; }

1. pscroller2 a{

text-decoration: none; }

.someclass{ //class to apply to your scroller(s) if desired }

</style>

<script type="text/javascript">

/*Example message arrays for the two demo scrollers*/

var pausecontent=new Array() pausecontent[0]='<a href="http://www.javascriptkit.com">JavaScript Kit</a>
Comprehensive JavaScript tutorials and over 400+ free scripts!' pausecontent[1]='<a href="http://www.codingforums.com">Coding Forums</a>
Web coding and development forums.' pausecontent[2]='<a href="http://www.cssdrive.com" target="_new">CSS Drive</a>
Categorized CSS gallery and examples.'

var pausecontent2=new Array() pausecontent2[0]='<a href="http://www.news.com">News.com: Technology and business reports</a>' pausecontent2[1]='<a href="http://www.cnn.com">CNN: Headline and breaking news 24/7</a>' pausecontent2[2]='<a href="http://news.bbc.co.uk">BBC News: UK and international news</a>'

</script>

<script type="text/javascript">

/***********************************************

• 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('')

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 }

</script>