if(document.images) {

	/* preload all css rollovers */

	var sub1_over = new Image();
	sub1_over.src = "/images/sub1_over.gif";

	var sub2_over = new Image();
	sub2_over.src = "/images/sub2_over.gif";

	var sub3_over = new Image();
	sub3_over.src = "/images/sub3_over.gif";

	var sub4_over = new Image();
	sub4_over.src = "/images/sub4_over.gif";

	var sub5_over = new Image();
	sub5_over.src = "/images/sub5_over.gif";

	var sub6_over = new Image();
	sub6_over.src = "/images/sub6_over.gif";

	var sub7_over = new Image();
	sub7_over.src = "/images/sub7_over.gif";

	var sub8_over = new Image();
	sub8_over.src = "/images/sub8_over.gif";

	var sub9_over = new Image();
	sub9_over.src = "/images/sub9_over.gif";
	
	var sub10_over = new Image();
	sub10_over.src = "/images/sub10_over.gif";

	var sub11_over = new Image();
	sub11_over.src = "/images/sub11_over.gif";

	var sub20_over = new Image();
	sub20_over.src = "/images/sub20_over.gif";

	var sub21_over = new Image();
	sub21_over.src = "/images/sub21_over.gif";

	var sub22_over = new Image();
	sub22_over.src = "/images/sub22_over.gif";

	var sub23_over = new Image();
	sub23_over.src = "/images/sub23_over.gif";

	var sub24_over = new Image();
	sub24_over.src = "/images/sub24_over.gif";

	var blank_over = new Image();
	blank_over.src = "/images/blank_over.gif";

}