startundersogelse			= new Image();
startundersogelse.src		= "/gfx/knap_startundersogelse.gif";

startundersogelse_over		= new Image();
startundersogelse_over.src	= "/gfx/knap_startundersogelse_over.gif";

function swap(img_name,img_src) {
	document.getElementById(img_name).src = img_src;
}

function popwin(fil,navn,bred,hoj,scroll,resize) {
	window.open(fil,navn,eval("'width=" + bred + ",height=" + hoj + ",scrollbars=" + scroll + ",resizable=" + resize + ",status=no,titlebar=no'"));
}