function omover(thisimg) {
		eval("document."+thisimg+".src = '../bilder/nav/"+thisimg+"-o.gif'");
	}
	function omout(thisimg) {
		eval("document."+thisimg+".src = '../bilder/nav/"+thisimg+".gif'");
	}

/* fuer erste Ebene unter /d: */
	function omover1(thisimg) {
		eval("document."+thisimg+".src = '../../bilder/nav/"+thisimg+"-o.gif'");
	}
	function omout1(thisimg) {
		eval("document."+thisimg+".src = '../../bilder/nav/"+thisimg+".gif'");
	}