function getNames(obj,name,jin){	
	var p = document.getElementById(obj);
	var plist = p.getElementsByTagName(jin);
	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 jinzhan(obj,name)
{
	var p = obj.parentNode.getElementsByTagName("a");
	var p1 = getNames(name,"z","div");
	for(i=0;i<p1.length;i++)
	{
		if(obj==p[i])
		{
			p[i].className = "s";
			p1[i].className = "dis";
		}
		else
		{
			p[i].className = "";
			p1[i].className = "undis";
		}
	}
}

function font(size){
	document.getElementById('conter').style.fontSize=size+'px';
}