function validate_form3()
{
if (trim(window.document.form3.q.value) == '' || trim(window.document.form3.q.value) == ' ')
{
alert('Please enter Style No. or Category');
window.document.form3.q.value = '';
window.document.form3.q.focus();
return false;
}
else
{
return true;
}

}