function popUp(location, width, height, mode) {
  day = new Date();
  id = day.getTime();
  if(mode == 0){
    url = location;
    eval("page" + id + " = window.open(url, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width='+ width +',height='+ height +'');");
  }
  if(mode == 1){
    url = "popup.php?location="+location;
    eval("page" + id + " = window.open(url, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width='+ width +',height='+ height +'');");
  }
}