var sbreite = screen.width;
var browser = navigator.appName;
var version =navigator.appVersion;
var bro=navigator.userAgent.toLowerCase();
if (sbreite <= 1024)

{
		if(navigator.appVersion.indexOf('MSIE 6.0')!=-1)
			{
		document.write("<link rel='stylesheet' href='css/unt_ie6.css'>");
		}
				else if(navigator.appVersion.indexOf('MSIE 7.0')!=-1 )
				{
					document.write("<link rel='stylesheet' href='css/unt_ie7.css'>");
		}
			
					else
					{
							document.write("<link rel='stylesheet' href='css/unt_ff.css'>");
	}


}	
else 

{
		if(navigator.appVersion.indexOf('MSIE 6.0')!=-1)
			{
		document.write("<link rel='stylesheet' href='css/unt_ie6_gr.css'>");
		}
				else if(navigator.appVersion.indexOf('MSIE 7.0')!=-1 )
				{
					document.write("<link rel='stylesheet' href='css/unt_ie7_gr.css'>");
		}
			else if(bro.indexOf('firefox/3')!=-1)
			{
				document.write("<link rel='stylesheet' href='css/unt_ff3_gr.css'>");
			
			}
					else
					{
							document.write("<link rel='stylesheet' href='css/unt_ff_gr.css'>");
	}

}	
function link()
{
	document.getElementById("home_logo").style.cursor="pointer";

}
function link_do()
{
window.location.href="index.php";}