var rollover_images = Array(); 
var preload_images = Array('nav_sub_xpress','nav_sub_logistics','nav_main_home','nav_main_contact','nav_main_about','nav_main_schedule','nav_main_news','nav_splash_xp_dedicated','nav_splash_xp_regional','nav_splash_xp_expedited','nav_splash_xp_warehouse','nav_splash_xp_volume','nav_splash_log_truckload','nav_splash_log_intermodal','nav_splash_log_transmanage','nav_splash_log_ltl','nav_splash_log_intl','nav_splash_cust_quote','nav_splash_cust_etrack','nav_splash_cust_tender','nav_splash_carr_post','nav_splash_carr_view','nav_splash_carr_pay','nav_sub_l_intermodal','nav_sub_l_international','nav_sub_l_ltl','nav_sub_l_transmanage','nav_sub_l_truckload','nav_sub_x_dedicated','nav_sub_x_expedited','nav_sub_x_regional','nav_sub_x_volume','nav_sub_x_warehousing','nav_main_careers','nav_splash_log_header','nav_splash_xp_header');

for (var i in preload_images) { 
	var this_image = [];

	this_image['on'] = new Image(); 
	this_image['on'].src = '/new/images/' + preload_images[i] + '_on.gif'; 

	this_image['off'] = new Image(); 
	this_image['off'].src = '/new/images/' + preload_images[i] + '_off.gif'; 

	rollover_images[preload_images[i]] = this_image; 
}