function verifyEmail(email) {
	if (email.length <=0){
	   return false;
	}
	i=email.indexOf("@");
	j=email.indexOf(".",i);
	k=email.indexOf(",*$;+=");
	kk=email.indexOf(" ");
	jj=email.lastIndexOf(".")+1;
	len=email.length;
	if (!((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3))) {
       return false;
    }
	return true;
}