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

function addResizeEvent(func) {
  var oldonresize = window.onresize;
  if (typeof window.onresize != 'function') {
    window.onresize = func;
  } else {
    window.onresize = function() {
      oldonresize();
      func();
    }
  }
}

function popup(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, 'popup', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=625,height=360');");
}