var gOnload = [ ];

function addOnload(fn){
	gOnload.push(fn);
}
 
window.onload = function() {
	for(var i=0;i < gOnload.length;i++)
    gOnload[i].call();
}

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("class") == "external-link-new-window")
	  anchor.target = "_blank";
  }
}
addOnload( externalLinks );


function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1) 
      return element;

    elements.push(element);
  }

  return elements;
}

String.prototype.trim = function() {
    return this.replace(/^\s+/,'').replace(/\s+$/,'');
}