codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
<script type="text/javascript">
// Accessible Scroller by Mike Foskett (http://www.websemantics.co.uk/). Retain this message and you may use the code freely.
var speed=50 // speed of scroller
var step=3 // smoothness of movement
var top="#top" // name of anchor used as page top when clicking start / stop / show
var Start= "Start" // Text for start link
var Stop = "Stop" // Text for stop link
var Show = "Show" // Text for show link
var x, scroll, divW, sText=""
function onclickIE(idAttr,handler,call){
if ((document.all)&&(document.getElementById)){idAttr[handler]=new Function(call)}
}
function addLink(id,call,txt){
var e=document.createElement('A')
e.setAttribute('href',top)
e.setAttribute('onclick',call)
var linktext=document.createTextNode(txt)
e.appendChild(linktext)
document.getElementById(id).appendChild(e)
}
function addControls(){
addLink('controls','clickAction(0)',Stop)
onclickIE(document.getElementById('controls').childNodes[0],"onclick",'clickAction(0)')
document.getElementById('controls').appendChild(document.createTextNode(' | '))
addLink('controls','clickAction(2)',Show)
onclickIE(document.getElementById('controls').childNodes[2],"onclick",'clickAction(2)')
}
function stopScroller(){clearTimeout(scroll)}
function setAction(node,callvalue,txt){
var c=document.getElementById('controls')
c.childNodes[node].setAttribute('onclick','clickAction('+callvalue+')')
onclickIE(document.getElementById('controls').childNodes[node],"onclick",'clickAction('+callvalue+')')
c.childNodes[node].firstChild.nodeValue=txt
}
function clickAction(no){
switch(no) {
case 0:
stopScroller()
setAction(0,1,Start)
setAction(2,2,Show)
break
case 1:
startScroller()
setAction(0,0,Stop)
setAction(2,2,Show)
break
case 2:
stopScroller()
setAction(0,1,Start)
setAction(2,3,Start)
x=0
document.getElementById('tag').style.whiteSpace='normal'
document.getElementById('tag').style.left='0px'
break
case 3:
startScroller()
setAction(0,0,Stop)
setAction(2,2,Show)
x=divW
document.getElementById('tag').style.left=x+'px'
}
}
function startScroller(){
document.getElementById('tag').style.whiteSpace='nowrap'
var p=document.createElement('P')
p.id='testP'
p.style.fontSize='25%' //fix for mozilla. multiply by 4 before using
x-=step
if (document.getElementById('tag').className) p.className=document.getElementById('tag').className
p.appendChild(document.createTextNode(sText))
document.body.appendChild(p)
pw=p.offsetWidth
document.body.removeChild(p)
if (x<(pw*4)*-1){x=divW}
document.getElementById('tag').style.left=x+'px'
scroll=setTimeout('startScroller()',speed)
}
function initScroller(){
if (document.getElementById && document.createElement && document.body.appendChild) {
addControls()
document.getElementById('controls').style.display='block'
divW=document.getElementById('scroller').offsetWidth
x=divW
document.getElementById('tag').style.position='relative'
document.getElementById('tag').style.left=divW+'px'
var ss=document.getElementById('tag').childNodes
for (i=0;i<ss.length;i++) {sText+=ss[i].nodeValue+" "}
scroll=setTimeout('startScroller()',speed)
}
}
function addLoadEvent(func) {
if (!document.getElementById | !document.getElementsByTagName) return
var oldonload = window.onload
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
oldonload()
func()
}
}
}
addLoadEvent(initScroller)
</script>
<style type="text/css" media="screen">
body {font:80%/150% verdana,sans-serif; color:#006; margin:0}
h1 {font:200% georgia,serif; color:#009; margin-top:20px}
/* position:relative and overflow:hidden are required */
#scroller {position:relative; overflow:hidden; width:100%; border:1px solid #657}
/* display:none prevents the controls being shown when JavaScript is not present */
#controls {display:none; text-align:right}
/* add link formatting for the controls */
#controls a {}
/* add formatting for the scrolling text */
#tag {margin:2px 0}
/* #testP must also contain all text-sizing properties of #tag */
#testP {visibility:hidden; position:absolute; white-space:nowrap;}
/* used as a page top marker and to limit width */
#top {width:350px; margin:auto}
</style>
</head>
<body>
<h2>Text Scroller accessibile</h2>
<div id="scroller">
<p id="tag">Ciao io sono il messaggio. usa i link a destra per osservarmi meglio. Ciao!!</p>
</div>
<p id="controls"></p>
</BODY>
</HTML>
Attendo news..grazie a tutti!
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