function popUp(src){
window.open(src,
		"teilnahmebedingungen",
		"toolbar=no"
		+ ",location=no"
		+ ",directories=no"
		+ ",status=no"
		+ ",menubar=no"
		+ ",scrollbars=yes"
		+ ",resizable=no"
		+ ",width="+500+",height="+600+", screenx=" + 10 + ", screeny=" + 50+ " ");

}