function start() {
   new mq('m1');
   mqRotate(mqr); // must come last
}
window.onload = start;
 
// Continuous text Vertical Scroller with stop/start button
// copyright 14th August 2010 by Stephen Chapman
// http://javascript.about.com
// permission to use this Javascript on your web page is granted
// provided that all of the code below in this script (including these
// comments) is used without any alteration
function startstopchange(m,txt) {for (var j=m.length - 1; j > -1; j--) document.getElementById('ss'+m[j].id).value = txt;}  
function startstop(m,n) {var ss = document.createElement('form');var sd = document.createElement('div');ss.appendChild(sd);var sb = document.createElement('input');
sb.type='hidden';sd.appendChild(sb);sb.id = 'ss'+n.id;sb.value = 'STOP'; sb.onclick = function() {if (this.value == 'STOP') {clearTimeout(m[0].TO); startstopchange(m,'START');} else {mqRotate(m); startstopchange(m,'STOP');}}; n.parentNode.insertBefore(ss,n);}   
function objHeight(obj) {if(obj.offsetHeight) return  obj.offsetHeight; if (obj.clip) return obj.clip.height; return 0;} var mqr = []; function mq(id){this.mqo=document.getElementById(id); var ht = objHeight(this.mqo.getElementsByTagName('div')[0])+ 5; var fulht = objHeight(this.mqo); var txt = this.mqo.getElementsByTagName('div')[0].innerHTML; this.mqo.innerHTML = ''; var wid = this.mqo.style.width; this.mqo.onmouseout=function() {mqRotate(mqr);startstopchange(mqr,'STOP');}; this.mqo.onmouseover=function() {clearTimeout(mqr[0].TO); startstopchange(mqr,'START');}; this.mqo.ary=[]; var maxw = Math.ceil(fulht/ht)+1; for (var i=0;i < maxw;i++){this.mqo.ary[i]=document.createElement('div'); this.mqo.ary[i].innerHTML = txt; this.mqo.ary[i].style.position = 'absolute'; this.mqo.ary[i].style.top = (ht*i)+'px'; this.mqo.ary[i].style.height = ht+'px'; this.mqo.ary[i].style.width = wid; this.mqo.appendChild(this.mqo.ary[i]);} mqr.push(this.mqo);startstop(mqr,this.mqo);} function mqRotate(mqr){if (!mqr) return; for (var j=mqr.length - 1; j > -1; j--) {maxa = mqr[j].ary.length; for (var i=0;i<maxa;i++){var x = mqr[j].ary[i].style;  x.top=(parseInt(x.top,10)-1)+'px';} var y = mqr[j].ary[0].style; if (parseInt(y.top,10)+parseInt(y.height,10)<0) {var z = mqr[j].ary.shift(); z.style.top = (parseInt(z.style.top) + parseInt(z.style.height)*maxa) + 'px'; mqr[j].ary.push(z);}} mqr[0].TO=setTimeout('mqRotate(mqr)',30);}