function openwin(url, name, specs) {
		var viewer = window.open(url, name, specs);
	}
	
	function addbookmark(url, title) {
	if (document.all)
		window.external.AddFavorite(url, title);
	}
	
	function clearDefault(el) {
  		if (el.defaultValue  ==el.value) {
			el.value = "";
		}
	}

	function restoreDefault(el) {
  		if (el.value == "") {
			el.value = el.defaultValue;
		}
	}