if (document.images)
 {
	preload_image_object = new Image();
	image_url = new Array();
	image_url[0] = "/webimages/chz_home.gif";
	image_url[1] = "/webimages/chz_home_mo.gif";
	
	image_url[2] = "/webimages/chz_contact.gif";
	image_url[3] = "/webimages/chz_contact_mo.gif";
	
	image_url[4] = "/webimages/chz_info.gif";
	image_url[5] = "/webimages/chz_info_mo.gif";
	
	var i = 0;
	 for(i=0; i<=5; i++) 
	   preload_image_object.src = image_url[i];
 }


	menu_url = new Array();
	menu_url[0] = "index.php";
	menu_url[1] = "contact.php";
	
	menu_url[2] = "info.php";

function changetopMenu(passinIndex){
		 document.getElementById('topMenuLinkForm').topMenuIndex.value=passinIndex;
		 document.getElementById('topMenuLinkForm').action=menu_url[passinIndex];
		 document.getElementById('topMenuLinkForm').submit();
}