function openpopup(url, id) {
	if(id == "galerie") {
       var show_popup = window.open("",id, "resizable=0,scrollbars=0,height=520,width=500,toolbar=no,menubar=no,statusbar=no,titlebar=no");
       if (show_popup != null) {
           show_popup.location=""+url;
       }
	}
	if(id == "impressum") {
	   var show_popup = window.open("",id, "resizable=0,scrollbars=0,height=500,width=500,toolbar=no,menubar=no,statusbar=no,titlebar=no");
       if (show_popup != null) {
           show_popup.location=""+url;
       }
	}
	if(id == "gaukler") {
	   var show_popup = window.open("",id, "resizable=0,scrollbars=1,height=650,width=500,toolbar=no,menubar=no,statusbar=no,titlebar=no");
       if (show_popup != null) {
           show_popup.location=""+url;
       }
	}
}