function PrinterSelected_in(thisForm,comboId)
{
  if(comboId<0)
  {
    // no Printer is selected
	alert("Please select a printer");
	return;
  }
  else
  {
	thisForm.p.value=comboId
	  thisForm.submit();  	
  }
}

function SupplySelected_in(thisForm,comboId)
{

  if(comboId<0)
  {
    // no Printer is selected
    alert("Please select a supply category");
    return;
  }
  else
  {
  	  thisForm.submit();
  }
}