var loaded = 0;
    var commercial_on = new Image;
    var commercial_off = new Image;
    var weddings_on = new Image;
    var weddings_off = new Image;
    var portraits_on = new Image;
    var portraits_off =new Image;
    var sports_on = new Image;
    var sports_off = new Image;
    var classes_on = new Image;
    var classes_off = new Image;
	function preload()
	{
		commercial_on.src = "/images/commercial_over.gif";
	    commercial_off.src = "/images/commercial.gif";
		weddings_off.src="/images/weddings.gif";
		weddings_on.src="/images/weddings_over.gif";
		portraits_off.src="/images/portraits.gif";
		portraits_on.src="/images/portraits_over.gif";
		sports_off.src = "/images/sports.gif";
		sports_on.src = "/images/sports_over.gif";
		classes_off.src="/images/classes.gif";
		classes_on.src="/images/classes_over.gif";

		loaded = 1;

	}