Hook JS calls for easier analysis

jshooker.js

//preserve originals
var ori = function() {
    var self = this;
    this.unescape = unescape;
    this.alert = alert;
    this.eval = eval;
    this.fromCharCode = String.fromCharCode;

    this.call_unescape = function(e) {
        document.write("<br>original unescape was passed data");
        return this.unescape(e);
    }, this.call_alert = function(e) {
        document.write("<br>original alert was passed data");
        return this.alert(e);
    }, this.call_eval = function(e) {
        document.write("<br>original eval was passed data");
        //return this.eval(e);
    }, this.call_fromCharCode = function(e) {
        document.write("<br>original String.fromCharCode was passed data");
        return this.fromCharCode(e);
    }
}

var ori = new ori();
var VERSION = 8.0;
var PLATFORM = "WIN";
var GETPAGENUMWORDS = 2;
var GETPAGENTHWORD = "DEFINE";
var PAGENUM = 2;

//define the hookers!
var app = {
    alert: function(data) {
        document.write("<br>Alert was passed: " + data);
    },
    doc: {
        Collab: {
            getIcon: function(e) {
                document.write("<br>getIcon was called");
            }
        }
    },
    platform: PLATFORM,
    viewerVersion: VERSION,
}

var Collab = {
    collectEmailInfo: function() {
        document.write("<br>collectEmailInfo was called");
    },
    getIcon: function(e) {
        document.write("<br>getIcon was called");
    }
}

var media = {
    newPlayer: function() {
        document.write("<br>newPlayer was called");
    }
}

var util = {
    printf: function() {
        document.write("<br>printf was called");
    },
    printd: function() {
        document.write("<br>printd was called");
    },
    byteToChar: function(e) {
        document.write("<br>byteToChar was called with: " + e);
    }
}

var getPageNumWords = GETPAGENUMWORDS;
var getPageNthWord = GETPAGENTHWORD;
var pageNum = PAGENUM;

var unescape = function(d) {
    document.write("<br>unescape was called with: " + d);
    return ori.call_unescape(d);
}

var alert = function(d) {
    document.write("<br>alert was called");
    return ori.call_alert(d);
}

var eval = function(d) {
    document.write("<br>eval was called with " + d);
    return ori.call_eval(d);
}

var String = {
    fromCharCode: function(d) {
        document.write("<br>String.fromCharCode was called with " + d);
        return ori.call_fromCharCode(d);
    }
}

var info = {
    author: "hooker"
}