function dropdown_menu() {
	var sUrl = document.getElementById("dropdown_menu")[document.getElementById("dropdown_menu").selectedIndex].value;
	if(sUrl != "")
		window.location = sUrl
}

function musover(id,billede) {
//	alert(document.getElementById(id).src);
	document.getElementById(id).src=billede
}

function musout(id,billede) {
//	alert(document.getElementById(id).src);
	document.getElementById(id).src=billede
}

function ombyttext(felt,txt) {
	if(document.getElementById(felt).value == txt) {
		document.getElementById(felt).value='';
	}
}

function ombytexttilbage(felt,txt) {
	if(document.getElementById(felt).value == '') {
		document.getElementById(felt).value=txt;
	}
}

function popup(url,name,win_height,win_width) {
	pos_horizon = ((screen.width/2)-(win_width/2));
	pos_vertical = ((screen.height/2)-(win_height/2));
	window.open(url,name,"width="+win_width+",height="+win_height+",top="+pos_vertical+",left="+pos_horizon,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto');
	//window.open(, 'Titel', );
}