flash_counter = 7;
function fadeCartText() {
  mod = flash_counter%2;
  if (mod == 1) {
    $(".cart_div").addClass('cart_div_enter').removeClass('cart_div_leave');    
  } else {
    $(".cart_div").addClass('cart_div_leave').removeClass('cart_div_enter');
  }
  if (flash_counter >= 0) {
    flash_counter = flash_counter - 1;
    setTimeout("fadeCartText()",175);
  } 
}