function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Molimo Vas da unesete vrednost za "' + fieldLabel +'" polje.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function validateForm(theForm)
{

	if (!validRequired(theForm.txtPretraga,"pretraga"))
		return false;

	return true;
}