function chkFields(x,y){
	   var error = 0;
	   var felder = x.split(",");

	   for(i=0; i<felder.length; i++){
	     eval ("if((document." + y + "." + felder[i] + ".value == '' || document." + y + "." + felder[i] + ".value == 'http://') && error != 1) { alert ('Bitte das Feld " + felder[i] + " ausfüllen'); error=1; document." + y + "." + felder[i] + ".focus() }");
	   }

	   if(error == 0) eval("document." + y + ".submit();");
	 }