/* rollover */
function imgOn(imgName) {
	document[imgName].src=eval(imgName+"off.src");
}
function imgOff(imgName) {
	document[imgName].src=eval(imgName+"on.src");
}
/* popup-fenster kontakt */
function popup(fenster) {
	var breite = screen.width/2+500;
  	var hoehe = screen.height/2+400;
	var pos_x = (breite/2)-250;
  	var pos_y = (hoehe/2)-250;
//	window.resizeTo(breite,hoehe);
//	window.moveTo(0,0);
	window.open(fenster,"pop","width=500,height=350,directories=no,location=no,menubar=no,scrollbars=no,status=no,toolbar=no,resizable=no,left="+pos_x+",top="+pos_y+",screenx="+pos_x+",screeny="+pos_y+"");
}
/* popup-fenster gross */
function popup_gr(fenster) {
	var breite = screen.width/2+500;
  	var hoehe = screen.height/2+400;
	var pos_x = (breite/2)-250;
  	var pos_y = (hoehe/2)-250;
//	window.resizeTo(breite,hoehe);
//	window.moveTo(0,0);
	window.open(fenster,"pop_gr","width=580,height=550,directories=no,location=no,menubar=no,scrollbars=no,status=no,toolbar=no,resizable=no,left="+pos_x+",top="+pos_y+",screenx="+pos_x+",screeny="+pos_y+"");
}