文本域内容在div中带换行显示

function ReplaceSeperator(mobiles) {
    var i;
    var result = "";
    var c;
    for (i = 0; i < mobiles.length; i++) {
        c = mobiles.substr(i, 1);
        if (c == "\n")
            result = result + "<br/>";
        else if (c != "\r")
            result = result + c;
    }
    return result;
 }