function saetbredde()
	{
		var totalbredde = screen.availWidth;
		var restbredde = totalbredde - 785;
		var indryk = restbredde / 2;
		document.getElementById("imgdiv").style.left = indryk;
		document.getElementById("whitediv").style.left = indryk+245;
		document.getElementById("blackdiv").style.left = indryk+245;
		document.getElementById("slogandiv").style.left = indryk+255;
		document.getElementById("menudiv").style.left = indryk+255;
		document.getElementById("iframediv").style.left = (screen.availWidth-628)/2;
		document.getElementById("kontaktdiv").style.left = indryk;
	}

function viskontakt()
	{
		document.getElementById("iframediv").innerHTML = "<iframe src='kontakt.php' style='width:600;height:300' frameborder='0'></iframe>";
	}
function visbeskrivelse()
	{
		document.getElementById("iframediv").innerHTML = "<iframe src='beskrivelse.php' style='width:600;height:300' frameborder='0'></iframe>";
	}
function visemner()
	{
		document.getElementById("iframediv").innerHTML = "<iframe src='emner.php' style='width:600;height:300' frameborder='0'></iframe>";
	}