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<style type=”text/css”>

 

/*Example CSS for the two demo scrollers*/

 

#pscroller1{

width: 200px;

height: 100px;

border: 1px solid black;

padding: 5px;

background-color: lightyellow;

}

 

#pscroller2{

width: 350px;

height: 20px;

border: 1px solid black;

padding: 3px;

}

 

#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><br />Comprehensive JavaScript tutorials and over 400+ free scripts!’

pausecontent[1]=’<a href=”http://www.codingforums.com”>Coding Forums</a><br />Web coding and development forums.’

pausecontent[2]=’<a href=”http://www.cssdrive.com” target=”_new”>CSS Drive</a><br />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(’<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))

this.getinline(this.visiblediv, this.hiddendiv)

this.hiddendiv.style.visibility=”visible”

var scrollerinstance=this

this.tickerdiv.onmouseover=function(){scrollerinstance.mouseoverBol=1}

this.tickerdiv.onmouseout=function(){scrollerinstance.mouseoverBol=0}

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>

 

<script type=”text/javascript”>

 

//new pausescroller(name_of_message_array, CSS_ID, CSS_classname, pause_in_miliseconds)

 

new pausescroller(pausecontent, “pscroller1″, “someclass”, 3000)

document.write(”<br />”)

new pausescroller(pausecontent2, “pscroller2″, “someclass”, 2000)

 

</script>

Kategoriler: JavaScript, Web Programlama

Tags: , ,

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