Как убрать обязательное поле E-mail либо сделать его необязательным? - IPrice

function ipricevalidate(formName) {
	if (!checkHaveValues(new Array(
		"<?php echo JText::_('Contact_person_needed');?>",formName.fio,"TEXT",
		"<?php echo JText::_('Phone_number_needed');?>",formName.phone,"TEXT",
		"<?php echo JText::_('Correct_email_needed');?>",formName.email,"EMAIL")))
	{return false;}

function ipricevalidate(formName) {
	if (!checkHaveValues(new Array(
		"<?php echo JText::_('Contact_person_needed');?>",formName.fio,"TEXT",
		"<?php echo JText::_('Phone_number_needed');?>",formName.phone,"TEXT")))
	{return false;}