function foldMessage(element) {
element.className = 'hidden';
}

function unfoldMessage(element) {
element.className = 'visible';
}
                
function foldOrUnfoldMessage(id) {
element = document.getElementById(id);
if (element.className == 'hidden')
//if (element.getElementsByTagName('div')[0].className == 'hidden')
unfoldMessage(element);
else
foldMessage(element);
}

function CheckEmailFormat( email )
{
	var s = '[A-Za-z0-9][-\\w]*(\\.[A-Za-z0-9][-\\w]*)*'
	var re = new RegExp( '^'+s+'@'+s+'\\.[a-zA-Z]{2,4}$')
	email = email.replace( new RegExp('/\(.*?\)/'), '' )
	return re.test(email)
}