// JavaScript Document
<!--
	window.onload=function(){
		if (navigator.appName == 'Netscape')			//如果浏览器是NS
		{
			document.captureEvents(Event.MOUSEMOVE);	//捕获鼠标移动事件
			document.onmousemove = netscapeMouseMove;	//交由netscapeMouseMove处理
		}
	}
	function show(idlay)
	{
	   idlay.style.visibility='visible';
	}
	function hide(idlay)
	{
	   idlay.style.visibility='hidden';
	}
	function ieMouseMove(id,showvalue,height) {
		if (window.event.x !=id.style.left && window.event.y !=id.style.top)	//如果鼠标位置有改变
		 {
		    if (window.screen.height/2>window.event.screenY)
			{
				id.style.left=window.event.x+6+document.body.scrollLeft-145;
			    id.style.top=window.event.y+16+document.body.scrollTop;

			}
			else
			{
			    id.style.left=window.event.x+6+document.body.scrollLeft-145;
			    id.style.top=window.event.y-16+document.body.scrollTop-(height+1)*20;

			}
			tdvalue.innerHTML=showvalue;
		}
	}
-->