function email_obf(a_tag, m1, m2, m3)
{a_tag.href	=	'mailto:' + m1 + '@' + reverse(m2) + '.' + m3;}

function reverse(str)
{
var tmp = "";
for(i = 0, c = str.length; i < c; i++){
tmp = tmp + str[c - (i + 1)];
}
return tmp;
}