function msover(name)
{	if (document.images)
	{	document.images[name].src = eval (name + "_on.src");
	}
}

function msout(name)
{	if (document.images)
	{	document.images[name].src = eval (name + "_off.src");
	}
}

	if (document.images){
		wiruberuns_off = new Image();
		wiruberuns_off.src = "gfx/des/but/wiruberuns_off.gif";
		wiruberuns_on = new Image();
		wiruberuns_on.src = "gfx/des/but/wiruberuns_on.gif";
								
		leistung_off = new Image();
		leistung_off.src = "gfx/des/but/leistung_off.gif";
		leistung_on = new Image();
		leistung_on.src = "gfx/des/but/leistung_on.gif";
		
		technik_off = new Image();
		technik_off.src = "gfx/des/but/technik_off.gif";
		technik_on = new Image();
		technik_on.src = "gfx/des/but/technik_on.gif";
		
		bauvorhaben_off = new Image();
		bauvorhaben_off.src = "gfx/des/but/bauvorhaben_off.gif";
		bauvorhaben_on = new Image();
		bauvorhaben_on.src = "gfx/des/but/bauvorhaben_on.gif";
		
		impressum_off = new Image();
		impressum_off.src = "gfx/des/but/impressum_off.gif";
		impressum_on = new Image();
		impressum_on.src = "gfx/des/but/impressum_on.gif";
																
	}

function displayWindow(url, width, height) {
window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=no,scrollbars=no,menubar=no, top='+((screen.availHeight/2)-(height/2))+',left='+((screen.availWidth/2)-(width/2)));
}