function vorladen() {

// bilder vorladen

bild = new Array();
var elem_vor = new Array("gxan1ov","gxan2ov","gxsu1ov","gxsu2ov","gxhi1ov","gxkon1ov","gxs2ov");

var anz = elem_vor.length;
var i=0;

for (i in elem_vor) {

	bild[i] = new Image ();
	bild[i].src = "./img/" + elem_vor[i] + ".gif";
	}

}