// window.onload work around

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

// Ben's unobtrusive pop-up function

function prepareLinks() {
  var links = document.getElementsByTagName("a");
  for (var i=0; i<links.length; i++) {
    if (links[i].getAttribute("class") == "popup") {
      links[i].onclick = function() {
        popUp(this.getAttribute("href"));
        return false;
      }
    }
  }
}

function popUp(winURL) {
  window.open(winURL,"popup","width=990,height=750,toolbar=1,directories=1,menubar=1,status=yes,resizable=1,location=0,scrollbars=1,copyhistory=0");
}

addLoadEvent(prepareLinks);