// check printer select
function printer_check()
{
	// printer model
	if(document.getElementById('selPModel').value == "nomodel")				
	{
		alert("Please select printer model!");
		exit;
	}	
	
	// ALL Ok!
	//  submit to clist!
	var frm = document.getElementById('frmFindByPrinter');
	frm.setAttribute("action", "clist.php");
	frm.submit(); 	
	//document.frmFindByPrinter.submit();
}

// check ink textbox
function ink_check()
{
	// ink name
	if(document.getElementById('txtCartridgeName').value == "")				
	{
		alert("Please enter cartridge name!");
		exit;
	}	
	
	// ALL Ok!
	// submit
	var frm = document.getElementById('frmFindByCartridge');
	frm.setAttribute("action", "clist.php");
	frm.submit(); 	
}