// Hide empty message
$(document).ready(function(){
	if ($('#msg').html() == "") {
		$('#msg').remove();
	} else {
		 $("#msg").show();
	}
    
    $('#search').click(function() {
        $('#search').val('');
    })
});

// Drop down menu
sfHover = function() {
	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);