function VerificaEmail(input,f,e) {
	var ok=true;
	
	var a=document.getElementById(input);
	
	var pe=a.value.indexOf('.');
	var ss=a.value.indexOf(' ');
	var lch=a.value.length-1;
	var atr=a.value.indexOf('@');
	var att=atr+1;
	
	var sq=a.value.substring(0,atr); 
	var sw=a.value.substring(atr,pe); 
	var se=a.value.substring(pe,lch);
	
	if((atr<1) || (pe<=att) || (pe==lch) || (pe<1)  || (ss != -1) || (sq.length<=2) || (sw.length<=3) || (se.length<=1)) {
		result=false;
	}
	
	return result;
}