function openLink(o) {
			if (o!='') {
				location.href = o;
			};
		};
		function openLinkB(o) {
			if (o!='') {
				//location.href = o;
				window.open (o,"xxlfw");
			};
		};
		function showid(obj) {
			var el = document.getElementById(obj);
			el.style.display = 'block';
		}
		function hideid(obj) {
			var el = document.getElementById(obj);
			el.style.display = 'none';
		}		

		function toggleid(obj) {
			var el = document.getElementById(obj);
			if ( el.style.display != 'none' ) {
				el.style.display = 'none';
				return false;
			}
			else {
				el.style.display = 'block';
				return false;
			}
		}
		function clearDefault(el) {
			if (el.defaultValue==el.value) el.value = "";
			el.style.cssText = "color:#000;";
		}
		function registerval() {
			var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i ;
			if (filter.test(document.registerform.user_email.value)) { 
				if (document.registerform.user_login.value.length < 3) {
					alert("Bitte Benutzernamen prüfen!");
					return false;
				}
				document.registerform.submit();
			} else
			{
				alert("Bitte E-Mail Adresse prüfen!");
				return false;
			}
		}