// JavaScript Document
//***********************************************************
//*	Criado Por:		Jaime Peixe								*
//*	Criado Em:		07/11/2007								*
//*	Modificado Por:	Jaime Peixe								*
//*	Modificado Em:	19/05/2008								*
//*	Funcionalidade:	Validar E-mail							*
//***********************************************************
function isMail(obj)
{
	try {
		var mail 	= obj.value;
		var at		= 0;
		var dots	= 0;

		if(mail.length >= 5){
			for(i = 0; i < mail.length; i++){
				switch(mail.charAt(i)){
					case '@':
						at += 1;
					break;
					case '.':
						dots += 1;
					break;
				}
			}

			if((at == 1) && (mail.indexOf('@') > -1) && (mail.indexOf('@') > 0) && (mail.lastIndexOf('@') < (mail.length - 1)) && (dots >= 1) && (mail.indexOf('.') > 0) && (mail.lastIndexOf('.') > mail.indexOf('@')) && (mail.lastIndexOf('.') < (mail.length - 1))){
				return true;
			} else {
				return false;
			}
		} else {
			return false;	
		}
	} catch (e) {
		return false;
	}
}