function preload(images) {
    if (typeof document.body == "undefined") return;
    try {
		var div = document.createElement("div");
		var s = div.style;
		s.position = "absolute";
		s.top = s.left = 0;
		s.visibility = "hidden";
		document.body.appendChild(div);
		div.innerHTML = "<img src=\"" + images.join("\" /><img src=\"") + "\" />";
		var lastImg = div.lastChild;
		lastImg.onload = function() { document.body.removeChild(document.body.lastChild); };
	 }
	 catch(e) {
        // Error. Do nothing.
	}
}

$(function() {
	$('#search').focus(function() {
		var self = $(this);
		if ( self.val() == 'search' ) self.val('');
	}).blur(function(){
		var self = $(this);
		if ( self.val() == '' ) self.val('search');
	});
	$('#searchForm').submit(function(event) {
		if ( $('#search').val() == 'search') event.preventDefault();
	})





	$('.menu li').has('div.submenu').each(function() {
		var self = $(this);
		var link = self.children('a');
		$(this).hover(
			function() { self.children('.submenu').css('display', 'block'); link.removeClass('down').addClass('hover'); },
			function() { self.children('.submenu').css('display', 'none'); link.removeClass('hover').addClass('down'); }
		
		);
	});
});