if (document.images) {
preload();
}

function preload() {
bilder = new Array();
bilder[0] = "img/hi.gif";
bilder[1] = "img/clear.gif";
bilder[2] = "img/hid.gif";
im = new Array();
for (var i = 0; i < bilder.length; i++){
im[i] = new Image();
im[i].src = bilder[i];
}
}


function diffTage(t,m) {
	var today = new Date ();
	var termin = new Date ();
	termin.setDate(t);
	termin.setMonth(m-1);
	
	if (today.getTime() <= termin.getTime()) {
		diff = termin.getTime() - today.getTime();
		diff = Math.floor(diff / (1000 * 60 * 60 * 24));
		return(diff);
	} else {
		return('');
	}
}


function bildwechsel(imgname,num) {
if (document.images) {
imgname.src = im[num].src;
}}

function picha(imgname,pic) {
if (document.images) {

imgname.src = "img/prac/" + pic + ".jpg";

}}

function anmeldeForm (seite) {

fenster = window.document.open(seite,"form","width=550,height=500,scrollbars=yes,resizable=yes,menubar=yes,toolbar=yes");
fenster.focus();

}