addLoadEvent(initExternalLinks);

function initExternalLinks() {
	var hyperlinks = getElementsByRelName("external");
	for(var i = 0; i < hyperlinks.length; i++) { hyperlinks[i].target = "_blank"; }
}

function addLoadEvent(func) {
	var current_onload = window.onload;
	if(typeof window.onload != 'function') { window.onload = func; } else {
		window.onload = function() { if(current_onload) { current_onload(); } func(); }
	}
}