var hm_top_img = '';
var hm_right_img = '';
var hm_left_img = '';

function shuffle_homepage_images(){

	var num_hm_img_sets = 3;
	var img_set_num = Math.round(Math.random() * (num_hm_img_sets-1)) +1;	// choose a random number from 1 to 6

	if (img_set_num < 10){
		img_set_num = '0' + img_set_num;
	}
	
	hm_top_img = '<img src="imgs/rotate/hm_set_' + img_set_num + '_topimg.gif" id="hm_top_img" name="hm_top_img" width="432" height="102" border="0" alt="header pattern">';
	hm_left_img = '<img src="imgs/rotate/hm_set_' + img_set_num + '_left.gif" id="hm_left_img" name="hm_left_img" width="125" height="288" border="0" alt="left pattern">';
	hm_right_img = '<img src="imgs/rotate/hm_set_' + img_set_num + '_right.gif" id="hm_right_img" name="hm_right_img" width="321" height="360" border="0" alt="right pattern">';

	//document.images["hm_top_img"].src = 'imgs/rotate/hm_set_' + img_set_num + '_topimg.gif';
	//document.images["hm_left_img"].src = 'imgs/rotate/hm_set_' + img_set_num + '_left.gif';
	//document.images["hm_right_img"].src = 'imgs/rotate/hm_set_' + img_set_num + '_right.gif';
}
shuffle_homepage_images();