// JavaScript Document

function getNames(obj,name,tags)
	{	
		var p = document.getElementById(obj);
		var plist = p.getElementsByTagName(tags);
		var rlist = new Array();
		for(i=0;i<plist.length;i++)
		{
			if(plist[i].getAttribute("name") == name)
			{
				rlist[rlist.length] = plist[i];
			}
		}
		return rlist;
	}

function fod(obj,name1,name2,cn1,cn2)
{
	var p0 = obj.parentNode.getElementsByTagName("td");	//对于table中td cell标签		
	var p1 = getNames(name1,"sn1","div");
	var p2 = getNames(name2,"sn2","div"); // document.getElementById(name).getElementsByTagName("div");
	for(i=0;i<p2.length;i++)
	{
		if(obj==p1[i])
		{
			//p0[i].className = "s";
			p1[i].className = cn1;
			p2[i].className = "dis";
		}
		else
		{
			//p0[i].className = "";
			if(p1[i].className == cn1){p1[i].className = cn2;}	//优化加载速度
			p2[i].className = "undis";
		}
	}
}