var allNav = new Array('nav_home','nav_collections','nav_stones','nav_events','nav_search','nav2_newsletter','nav2_policies','nav2_about','nav2_contact');


function preLoad() {
	for (i=0; i<allNav.length; i++) {
		var each = new Image();
		each.src="/images/" + allNav[i] + "_on.jpg";
	}
	
}


function on(whichImage) {
	document[whichImage].src="/images/"+whichImage+"_on.jpg";
}


function off(whichImage) {
	document[whichImage].src="/images/"+whichImage+".jpg";
}


function enlarge(id) {
	displayWindow = window.open('enlarge.php?id='+id,'display','width=600,height=800,menubar=yes,resizable=yes,titlebar=no,status=no,toolbar=no,scrollbars=yes');
	displayWindow.focus();
}