function langs(ids)
{
	Element.toggle(ids);
}

function required(what)
{
	if ( $F(what) == '' || $(what).value == '' )
	{
		Element.setStyle(what + '_n', {color: '#FF0033'});
		Effect.Pulsate(what + '_n');
	}
	else
	{
		Element.setStyle(what + '_n', {color: '#866138'});
	}
}

function required_c()
{
	var b = '0';

	for (i=0; i<4; i++)
	{
		if (  $('category_' + i).checked )
		{
			b = '1';
		}
	}

	if ( b != '1' )
	{
		Element.setStyle('category_n', {color: '#FF0033'});
		Effect.Pulsate('category_n');
	}
	else
	{
		Element.setStyle('category_n', {color: '#866138'});
	}
}

function required_b(what)
{
	if ( $F(what) == '' || $(what).value == '' )
	{
		return false;
	}
	else
	{
		return true;
	}
}

function required_bc()
{
	var b = '0';

	for (i=0; i<4; i++)
	{
		if (  $('category_' + i).checked )
		{
			b = '1';
		}
	}

	if ( b != '1' )
	{
		return false;
	}
	else
	{
		return true;
	}
}

function check()
{
	required('name');
	required('surname');
	required('phone');
	required('email');
	required_c();
	required('foto');

	if ( ( !required_b('name') || !required_b('surname') || !required_bc() || !required_b('foto') ) && ( required_b('phone') || required_b('email') ) )
	{
		new Ajax.Request('/common/sendmail.php?email=' + $('email').value +'&phone=' + $('phone').value, {asynchronous: true});
	}

	if ( !required_b('name') || !required_b('surname') || !required_b('phone') || !required_b('email') || !required_bc() || !required_b('foto') )
	{
		return false;
	}
}