var navAbout = new Image();
navAbout.src = '../_img/nav-about-on.png';
var navShop = new Image();
navShop.src = '../_img/nav-shop-on.png';
var navMerchant = new Image();
navMerchant.src = '../_img/nav-merchant-dir-on.png';

function externalLinks() {
	if (!document.getElementsByTagName) return;
	
	var anchors = document.getElementsByTagName("a");
	
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
	}
}

$(document).ready(function() {
	externalLinks();
});