function replaceExternals(url) {
	if (document.getElementsByTagName) {
		var links = document.getElementsByTagName( "a" );

		for(var i = 0; i < links.length; i++) {

			var thelink = links[i];

			if(thelink.href.indexOf(url) == -1) {
				thelink.target = "_blank";
			}
		}
	}
}