var start = ( new Date()).getTime();
var timelimit = 2578; // bei Bildgroesse von ca. 34,3 KB (75ms / KB)
var hispeed = false;

function startspeedtest ()
{
	document.writeln('<img onload="stopspeedtest();" name="logo1" border="0" src="img/intro/logo.gif?n=' + start + '" width="266" height="211">');
}

function stopspeedtest ()
{
	var stop = ( new Date()).getTime();
	var timediff = 0;
	timediff = stop - start;

	if (timediff < timelimit)
	{
		hispeed = true;
	}
}