sfHover = function() {
	if (!document.getElementsByTagName) return false;
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function check_search(form)
{ 
	if (form.searchTerm.value === "") {
		alert("Please enter a search term.\r");
		form.searchTerm.focus();
		return (false);
	}
	if (form.searchTerm.value === "Enter Search Term") {
		alert("Please enter a search term.\r");
		form.searchTerm.focus();
		return (false);
	} 
	if (form.searchTerm.value.length < 2) {
		alert("Please enter at least 2 characters.");
		form.searchTerm.focus();
		return (false);
	} 
}