function checkForm(formID){
	myForm = document.getElementById(formID);
	if (typeof(myForm) != "object") return false;
	myElements = myForm.elements;
	myError = new Array();
	for (f=0; f<myElements.length; f++){
		myElement = myElements[f];
		if (myElement.id.indexOf('_req') != -1){
			// REQUIRED FIELD
			if (myElement.value == "" || (myElement.type == "checkbox" && myElement.checked != true)) {
				myError.push(myElement);
			}
		}
	}
	if (myError.length > 0){
		alert("Bitte füllen Sie alle Pflichtfelder aus!");
		myError[0].focus();
		return false;
	} else { 
		return true;
	}
	return false;
}

function MM_openBrWindow(theURL,winName,features) {
	window.open(theURL,winName,features);
	return false;
}

function popup(url) {
 fenster = window.open(url, "fenster1", "width=700,height=690,status=yes,scrollbars=no,resizable=no");
 fenster.focus();
}
function popupVideo(url) {
 fenster = window.open(url, "fenster1", "width=500,height=470,status=yes,scrollbars=no,resizable=no");
 fenster.focus();
}