function PopUp (width_param,height_param) {
	var width  = 500;
	var height = 520;
  if (height_param != null) height = height_param;
  if (width_param != null) width = width_param;
	Fenster = window.open('', 'PopUpFenster', 'width='+width+',height='+height+',resizable=yes,scrollbars=yes');
	Fenster.resizeTo(width,height);
	Fenster.focus();
}


function ismaxlength(obj){
	var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
	if (obj.getAttribute && obj.value.length>mlength)
		obj.value=obj.value.substring(0,mlength)
}


function confirmSubmit(msg) {
	var agree = confirm(unescape(msg));
	if (agree)
		return true;
	else
		return false;
}


function disableSubmit(theform) {
	if (document.all || document.getElementById) {
		for (i = 0; i < theform.length; i++) {
			var tempobj = theform.elements[i];
			if (tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset") {
				tempobj.disabled = true;
				tempobj.value = ".. bitte warten";
			}
		}
		//setTimeout('alert("Your form has been submitted.  Notice how the submit and reset buttons were disabled upon submission.")', 2000);
		return true;
	} else {
		//alert("The form has been submitted.  But, since you're not using IE 4+ or NS 6, the submit button was not disabled on form submission.");
		//return false;
		return true;
	}
}