function chkform(){
	var formok = 1;
	for(i=0; i<chkform.arguments.length; i++){
		ele = chkform.arguments[i];
		if(ele){
			if(document.getElementsByName(ele)[0]){
				elex = ele + "_err";
				nok = document.getElementsByName(ele)[0].value;
				if(!nok) {
					formok = 0;
					document.getElementById(elex).innerHTML = "<span style=\"color:#A5234C;\"><strong>*</strong></span>";
				}
			}
		}
	}
	if(!formok){
		document.getElementById("warn").innerHTML = "<span style=\"color:#A5234C;\">Bitte füllen die mit einem Stern (*) markierten Felder aus!</span>";
	}
	else{
		document.getElementById("kontaktform").submit();
	}		
}

function reset_err(x){
	document.getElementById(x).innerHTML = "";
}