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

function openAllOverDue() {
	var links = document.getElementsByClassName("storedLink");
	for (i = 0; i < links.length; i++) {
	  if (links[i].overdue == "true") {
	    window.open(links[i].href);
	  }
	}
	window.setTimeout("window.location.reload(true);", 1000);
}