$(document).ready(function(){ 

		// rel external js
		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";
		}
		}
		window.onload = externalLinks;		
	
	} 
);