var browserName=navigator.appName; 
Version = navigator.appVersion;

if (browserName == "Microsoft Internet Explorer")
{ 
	if (navigator.appVersion.indexOf("MSIE 7.0") !=-1)
	{
		document.write('<link rel="stylesheet" href="style_ie7.css" type="text/css">')
	}
	else 
		{
			document.write('<link rel="stylesheet" href="style_ie.css" type="text/css">')
		}
}
else {
document.write('<link rel="stylesheet" href="style_ns.css" type="text/css">')
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}