function SubmitForm(thisForm)
{

  if (thisForm.item_name.value == "")
  {
    alert("Please select a Cup Size.");
        return (false);
  }

/*
  if (thisForm.on0.value == "")
  {
    alert("Please Choose Mouthpiece 1.");
        return (false);
  }

  if (thisForm.os0.value == "")
  {
    alert("Please Choose Mouthpiece 2.");
        return (false);
  }

  if (thisForm.on1.value == "")
  {
    alert("Please Choose Mouthpiece 3.");
        return (false);
  }
  */
  
  
  if (thisForm.quantity.value == "")
  {
    alert("Please enter a Quantity.");
    return (false);
  }

  
  var checkOK = "0123456789";
  var checkStr = thisForm.quantity.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    allNum += ch;
  }
  if (!allValid)
  {
    alert("Please enter only numeric digits in the Quantity box.");
    thisForm.quantity.focus();
    thisForm.quantity.select();
    return (false);
  }
  

heya = window.open('','paypal','toolbar,location,status,scrollbars,menubar,resizable,left,top,width=790,height=540,');
heya.focus();
return true;
  
}