function setActive() {
 		var anzHrefs = document.getElementsByTagName("a").length;
		for (var i = 0; i <= anzHrefs - 1; i++) {
			if (document.getElementsByTagName("a")[i].href == document.location.href) {
				var currentClassName = document.getElementsByTagName("a")[i].className;
				var newClassName = currentClassName.replace(/inactive/,"active");
				document.getElementsByTagName("a")[i].className = newClassName;
			}
		}
}