var scrollElem;
var stopscroll;
var stoptime;
var preTop;
var leftElem;
var currentTop;
var marqueesHeight;
function marque(width,height,marqueName,marqueCName){
	try{
	  marqueesHeight = height;
	  stopscroll  = false;
	  scrollElem = document.getElementById(marqueName);
	with(scrollElem){
		style.width  = width;
		style.height  = marqueesHeight;
		style.overflow  = 'hidden';
		noWrap  = true;
	  }

	  scrollElem.onmouseover = new Function('stopscroll = true');
	  scrollElem.onmouseout  = new Function('stopscroll = false');

	  preTop     = 0; 
	  currentTop = 0; 
	  stoptime   = 0;

	  leftElem = document.getElementById(marqueCName);
	  scrollElem.appendChild(leftElem.cloneNode(true));
		  
	  init_srolltext();

	}
	catch(e) {}
	}

	function init_srolltext(){
  		scrollElem.scrollTop = 0;
  		setInterval('scrollUp()', 20);
		}

	function scrollUp(){
  		if(stopscroll) return; 
		currentTop += 1;
  		if(currentTop == marqueesHeight+1) {
			stoptime += 1;
    		currentTop -= 1;
    			if(stoptime == (marqueesHeight)*4) {//Í£¶Ùʱ¼ä
      				currentTop = 0;
      				stoptime = 0;
    				}
  			}
			else{
				preTop = scrollElem.scrollTop;
    			scrollElem.scrollTop += 1;
    				if(preTop == scrollElem.scrollTop){
      					scrollElem.scrollTop = marqueesHeight;
      					scrollElem.scrollTop += 1;
    					}
				}
	}