function clearText(theField)
{
if (theField.defaultValue == theField.value)
theField.value = '';
}

function addText(theField)
{
if (theField.value == '')
theField.value = theField .defaultValue;
}

function page_submit(){
if ((document.forms.login.email.value != 'e-mail') && (document.forms.login.email.value != '')){
		document.forms.login.submit();
	}
	else
	{
		alert('A mezőt ki kell tölteni');
	}
}