// preload rollovers
	var button_search_over = new Image();
	button_search_over.src = "images/button_search_over.gif";
	var button_sellers_over = new Image();
	button_sellers_over.src = "images/button_sellers_over.gif";
	var button_buyers_over = new Image();
	button_buyers_over.src = "images/button_buyers_over.gif";
	var button_resources_over = new Image();
	button_resources_over.src = "images/button_resources_over.gif";
	var button_aboutme_over = new Image();
	button_aboutme_over.src = "images/button_aboutme_over.gif";
	var cm_info_over = new Image();
	cm_info_over.src = "images/cm_info_over.gif";
	var bt_logo_over = new Image();
	bt_logo_over.src = "images/bt_logo_over.gif";