function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		blu_nav_home_over = newImage('media/blu_nav_home2.gif');
		blu_nav_intro_over = newImage('media/blu_nav_intro2.gif');
		blu_nav_sample_over = newImage('media/blu_nav_sample2.gif');
		blu_nav_electronic_over = newImage('media/blu_nav_electronic2.gif');
		blu_nav_whynews_over = newImage('media/blu_nav_whynews2.gif');
		blu_nav_testimonials_over = newImage('media/blu_nav_testimonials2.gif');
		blu_nav_tips_over = newImage('media/blu_nav_tips2.gif');
		blu_nav_issue_over = newImage('media/blu_nav_issue2.gif');
		blu_nav_costs_over = newImage('media/blu_nav_costs2.gif');
		blu_nav_howorder_over = newImage('media/blu_nav_howorder2.gif');
		blu_nav_contact_over = newImage('media/blu_nav_contact2.gif');

	
preloadFlag = true;
	}
}


function popup(pageref,win_name) {
	var remote = window.open(pageref,win_name,"width=550,height=550,left=10,top=10,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no");	
	if (remote.opener == null) remote.opener = window; 
	remote.opener.name = "parent_window";
}