form_submitted=false;

function ValidateMessageForm(formular)
{
	
	if(formular.jmeno.value == '')
	{
		alert('Please, enter your full name.')
		formular.jmeno.focus()
		form_submitted=false
		return false
	}
	
	if(formular.email.value == '')
	{
		alert('Please, enter your e-mail')
		formular.email.focus()
		form_submitted=false
		return false
	}
	
	if(ValidateEmail(formular.email)==false)
	{
		alert('The e-mail address does not correspond with format of e-mail address.')
		formular.email.focus()
		form_submitted=false
		return false
	}
	
	if(formular.zprava.value.length < 5)
	{
		alert('Message must be longer than 4 characters.')
		formular.zprava.focus()
		form_submitted=false
		return false
	}
	
	if(formular.kontrolniOtazka.value != '11')
	{
		alert('Please reply to control question.')
		formular.kontrolniOtazka.focus()
		form_submitted=false
		return false
	}

	return true
}