function openwindow(w, h) {
  var nw = window.open("","liite", 'toolbar=0,location=0,scrollbars=1,width=' + w + ', height=' + h + ', resizable=1');
  nw.focus();
  return true;
}
function newWindow(n, w, h) {
  var nw = window.open("", n, 'toolbar=0,location=0,scrollbars=1,width=' + w + ', height=' + h + ', resizable=1');
  nw.focus();
  return true;
}
function viewCart() {
  var nw = window.open("../www/cart.php", 'cart');
  nw.focus();
  return true;
}
function initPopup() {
  window.focus();
}
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if(oldonload){oldonload();}
			func();
		}
	}
}