if (document.images) {
	// Bilder vorladen...
	var bild = new Array();
	bild[0]  = new Image(); bild[0].src  = "pics/mainsub_bg.jpg";
	bild[1]  = new Image();	bild[1].src  = "pics/mainsub_end.gif";
	bild[2]  = new Image();	bild[2].src  = "pics/subm_start1.jpg";
	bild[3]  = new Image();	bild[3].src  = "pics/subm_smap1.jpg";
	bild[4]  = new Image();	bild[4].src  = "pics/mainm_leist1.jpg";
	bild[5]  = new Image();	bild[5].src  = "pics/mainm_untern1.jpg";
	bild[6]  = new Image();	bild[6].src  = "pics/mainm_leist0.jpg";
	bild[7]  = new Image();	bild[7].src  = "pics/mainm_prod0.jpg";
	bild[8]  = new Image();	bild[8].src  = "pics/mainm_koop0.jpg";
	bild[9]  = new Image();	bild[9].src  = "pics/mainm_markt0.jpg";
	bild[10] = new Image();	bild[10].src = "pics/mainm_kontakt0.jpg";
	bild[11] = new Image();	bild[11].src = "pics/mainm_untern0.jpg";
	bild[12] = new Image();	bild[12].src = "pics/mainm_prod1.jpg";
	bild[13] = new Image();	bild[13].src = "pics/mainm_koop1.jpg";
	bild[14] = new Image();	bild[14].src = "pics/mainm_markt1.jpg";
	bild[15] = new Image();	bild[15].src = "pics/mainm_kontakt1.jpg";
}

function picChange(Bildname, Dateiname) {
	if (document.images) { document.images[Bildname].src = 'pics/' + Dateiname }
}

function showSub(DivID) {
	var mobj = document.getElementById(DivID);
	if ( mobj == null ) return;
	mobj.style.display = "block";
	
	if (DivID != "sub_untern") 	{ document.getElementById("sub_untern").style.display = "none"; }
	if (DivID != "sub_leist") 	{ document.getElementById("sub_leist").style.display = "none"; }
	if (DivID != "sub_kontakt")	{ document.getElementById("sub_kontakt").style.display = "none"; }
}

function hideSub(DivID) {
	var mobj = document.getElementById(DivID);
	if ( mobj == null ) return;
	mobj.style.display = "none";
}