// JavaScript Document
var ie4DOM = false;
var ie5DOM = false;
var ns4DOM = false;
var ns6DOM = false;
var dhtml_ok = false;

var user_agent = navigator.userAgent.toLowerCase();
if (document.getElementById)
{
	if (user_agent.indexOf("msie") != -1)
		ie5DOM = true;
	else
		ns6DOM = true;
}
else if (document.all)
	ie4DOM = true;
else if (document.layers)
	ns4DOM = true;
if (ie4DOM || ns4DOM || ie5DOM || ns6DOM)
	dhtml_ok = true;