// EXTERNAL LINKS

function externallinks() {
	if (!document.getElementsByTagName) {
		return null;
	}
	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";
		}
	}
}

// MULTIPLE WINDOW ONLOADS

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

addonload(externallinks);