/*
Marquee Script for HTML & XHTML pages
This script produces a simple marquee effect on "div" which have "dmarquee" class.

sample:
<div class="dmarquee" style="white-space:nowrap;overflow:hidden;">
  <div>
    <div>your text here</div>
  </div>
</div>

by M.R. Baratnejad
MRBaratnejad@msn.com
*/

var oMarquees = [], oMrunning,
	oMInterv = 20, //interval between increments
	oMStep = 1, //number of pixels to move between increments
	oStopMAfter = 0, //how many seconds should marquees run (0 for no limit)
	oResetMWhenStop = false, //set to true to allow linewrapping when stopping
	oMDirection = 'right'; //'left' for LTR text, 'right' for RTL text

function doMStop(){
	clearInterval(oMrunning);
	for(var i = 0; i < oMarquees.length; i++){
		oDiv = oMarquees[i];
		oDiv.mchild.style[oMDirection] = '0px';
		if(oResetMWhenStop){
			oDiv.mchild.style.cssText = oDiv.mchild.style.cssText.replace(/;white-space:nowrap;/g,'');
			oDiv.mchild.style.whiteSpace = '';
			oDiv.style.height = '';
			oDiv.style.overflow = '';
			oDiv.style.position = '';
			oDiv.mchild.style.position = '';
			oDiv.mchild.style.top = '';
		}
	}
	oMarquees = [];
}
function doDMarquee(){
	if( oMarquees.length || !document.getElementsByTagName){return;}
	var oDivs = document.getElementsByTagName('div');
	for(var i = 0, oDiv; i < oDivs.length; i++){
		oDiv = oDivs[i];
		if(oDiv.className && oDiv.className.match(/\bdmarquee\b/)){
			if(!(oDiv = oDiv.getElementsByTagName('div')[0])){continue;}
			if(!(oDiv.mchild = oDiv.getElementsByTagName('div')[0])){continue;}
			oDiv.mchild.style.cssText += ';white-space:nowrap;';
			oDiv.mchild.style.whiteSpace = 'nowrap';
			oDiv.style.height = oDiv.offsetHeight + 'px';
			oDiv.style.overflow = 'hidden';
			oDiv.style.position = 'relative';
			oDiv.mchild.style.position = 'absolute';
			oDiv.mchild.style.top = '0px';
			oDiv.mchild.style[oMDirection] = oDiv.offsetWidth + 'px';
			oMarquees[oMarquees.length] = oDiv;
			i += 2;
		}
	}
	oMrunning = setInterval('aniMarquee()',oMInterv);
	if(oStopMAfter){setTimeout('doMStop()',oStopMAfter*1000);}
}
function aniMarquee(){
	var oDiv, oPos;
	for(var i = 0; i < oMarquees.length; i++){
		oDiv = oMarquees[i].mchild;
		oPos = parseInt(oDiv.style[oMDirection]);
		if( oPos <= -1 * oDiv.offsetWidth ) {
			oDiv.style[oMDirection] = oMarquees[i].offsetWidth + 'px';
		} else {
			oDiv.style[oMDirection] = (oPos - oMStep) + 'px';
		}
	}
}
if(window.addEventListener){
	window.addEventListener('load',doDMarquee,false);
}else if(document.addEventListener){
	document.addEventListener('load',doDMarquee,false);
}else if(window.attachEvent){
	window.attachEvent('onload',doDMarquee);
}