var horizontal_offset = "9px";
var vertical_offset = "0";
var ie = document.all;
var ns6 = document.getElementById && !document.all;

function getposOffset(what, offsettype) {
    var totaloffset = (offsettype == "left") ? what.offsetLeft : what.offsetTop;
    var parentEl = what.offsetParent;
    while (parentEl != null) {
        totaloffset = (offsettype == "left") ? totaloffset + parentEl.offsetLeft : totaloffset + parentEl.offsetTop;
        parentEl = parentEl.offsetParent;
    }
    return totaloffset;
}

function iecompattest() {
    return (document.compatMode && document.compatMode != "BackCompat")
        ? document.documentElement 
        : document.body;
}

function clearbrowseredge(obj, whichedge) {
    var edgeoffset = (whichedge == "rightedge")
        ? parseInt(horizontal_offset) * -1 
        : parseInt(vertical_offset) * -1;
    if (whichedge=="rightedge") {
        var windowedge = ie && !window.opera
            ? iecompattest().scrollLeft + iecompattest().clientWidth - 30
            : window.pageXOffset + window.innerWidth - 40;
        dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
        if (windowedge - dropmenuobj.x < dropmenuobj.contentmeasure)
            edgeoffset = dropmenuobj.contentmeasure + obj.offsetWidth + parseInt(horizontal_offset);
    }
    else {
        var windowedge = ie && !window.opera
            ? iecompattest().scrollTop + iecompattest().clientHeight - 15
            : window.pageYOffset + window.innerHeight - 18;
        dropmenuobj.contentmeasure = dropmenuobj.offsetHeight;
        if (windowedge - dropmenuobj.y < dropmenuobj.contentmeasure)
            edgeoffset = dropmenuobj.contentmeasure - obj.offsetHeight;
    }
    return edgeoffset;
}

function showhint(menucontents, obj, e, tipwidth) {
    if ((ie || ns6) && document.getElementById("hintbox")) {
        dropmenuobj = document.getElementById("hintbox");
        dropmenuobj.innerHTML = menucontents;
        dropmenuobj.style.left = dropmenuobj.style.top = -500;
        if (tipwidth != "") {
            dropmenuobj.widthobj = dropmenuobj.style;
            dropmenuobj.widthobj.width = tipwidth;
        }
        dropmenuobj.x = getposOffset(obj, "left");
        dropmenuobj.y = getposOffset(obj, "top");
        dropmenuobj.style.left = dropmenuobj.x - clearbrowseredge(obj, "rightedge") + obj.offsetWidth + "px";
        dropmenuobj.style.top = dropmenuobj.y - clearbrowseredge(obj, "bottomedge") + "px";
        dropmenuobj.style.visibility = "visible";
        obj.onmouseout = hidetip;
    }
}

function hidetip(e) {
    dropmenuobj.style.visibility = "hidden";
    dropmenuobj.style.left = "-500px";
}

function createhintbox() {
    var divblock = document.createElement("div");
    divblock.setAttribute("id", "hintbox");
    document.body.appendChild(divblock);
}

if (window.addEventListener)
    window.addEventListener("load", createhintbox, false);
else if (window.attachEvent)
    window.attachEvent("onload", createhintbox)
else if (document.getElementById)
    window.onload = createhintbox;