//Chrome Drop Down Menu- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated: Jan 1st, 06'

var cssdropdown = {
    disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout

    //No need to edit beyond here////////////////////////
    dropmenuobj: null, ie: document.all, firefox: document.getElementById && !document.all,

    getposOffset: function(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;
    },

    showhide: function(obj, e, visible, hidden) {
        if (this.ie || this.firefox)
            this.dropmenuobj.style.left = this.dropmenuobj.style.top = "-500px"
        if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover")
            obj.visibility = visible
        else if (e.type == "click")
            obj.visibility = hidden
    },

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

    clearbrowseredge: function(obj, whichedge) {
        var edgeoffset = 0
        if (whichedge == "rightedge") {
            var windowedge = this.ie && !window.opera ? this.iecompattest().scrollLeft + this.iecompattest().clientWidth - 15 : window.pageXOffset + window.innerWidth - 15
            this.dropmenuobj.contentmeasure = this.dropmenuobj.offsetWidth
            if (windowedge - this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
                edgeoffset = this.dropmenuobj.contentmeasure - obj.offsetWidth
        }
        else {
            var topedge = this.ie && !window.opera ? this.iecompattest().scrollTop : window.pageYOffset
            var windowedge = this.ie && !window.opera ? this.iecompattest().scrollTop + this.iecompattest().clientHeight - 15 : window.pageYOffset + window.innerHeight - 18
            this.dropmenuobj.contentmeasure = this.dropmenuobj.offsetHeight
            if (windowedge - this.dropmenuobj.y < this.dropmenuobj.contentmeasure) { //move up?
                edgeoffset = this.dropmenuobj.contentmeasure + obj.offsetHeight
                if ((this.dropmenuobj.y - topedge) < this.dropmenuobj.contentmeasure) //up no good either?
                    edgeoffset = this.dropmenuobj.y + obj.offsetHeight - topedge
            }
        }
        return edgeoffset
    },

    dropit: function(obj, e, dropmenuID) {
        if (this.dropmenuobj != null) //hide previous menu
            this.dropmenuobj.style.visibility = "hidden"
        this.clearhidemenu()
        if (this.ie || this.firefox) {
            obj.onmouseout = function() { cssdropdown.delayhidemenu() }
            this.dropmenuobj = document.getElementById(dropmenuID)
            this.dropmenuobj.onmouseover = function() { cssdropdown.clearhidemenu() }
            this.dropmenuobj.onmouseout = function() { cssdropdown.dynamichide(e) }
            this.dropmenuobj.onclick = function() { cssdropdown.delayhidemenu() }
            this.showhide(this.dropmenuobj.style, e, "visible", "hidden")
            this.dropmenuobj.x = this.getposOffset(obj, "left")
            this.dropmenuobj.y = this.getposOffset(obj, "top")
            this.dropmenuobj.style.left = this.dropmenuobj.x - this.clearbrowseredge(obj, "rightedge") + "px"
            this.dropmenuobj.style.top = this.dropmenuobj.y - this.clearbrowseredge(obj, "bottomedge") + obj.offsetHeight + 1 + "px"
        }
    },

    contains_firefox: function(a, b) {
        while (b.parentNode)
            if ((b = b.parentNode) == a)
            return true;
        return false;
    },

    dynamichide: function(e) {
        var evtobj = window.event ? window.event : e
        if (this.ie && !this.dropmenuobj.contains(evtobj.toElement))
            this.delayhidemenu()
        else if (this.firefox && e.currentTarget != evtobj.relatedTarget && !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
            this.delayhidemenu()
    },

    delayhidemenu: function() {
        this.delayhide = setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'", this.disappeardelay)
    },

    clearhidemenu: function() {
        if (this.delayhide != "undefined")
            clearTimeout(this.delayhide)
    }
}


var HttpRequest = {

    CreateXmlHTTP: function() {
        var xmlHTTP = null; try { xmlHTTP = new XMLHttpRequest(); }
        catch (e) {
            try { xmlHTTP = new XMLHttpRequest("Microsoft.XMLHTTP"); }
            catch (e) {
                try { xmlHTTP = new ActiveXObject("Microsoft.XMLHTTP"); }
                catch (e) {
                    try { xmlHTTP = new ActiveXObject("Msxml2.XMLHTTP"); }
                    catch (e) { alert("Your Browser does not support Ajax"); return false; }
                }
            }
        } return xmlHTTP;
    },

    GetData: function(fromUrl, divname) {
        var xmlHTTP; var v = document.getElementById(divname); xmlHTTP = HttpRequest.CreateXmlHTTP(); xmlHTTP.open('Get', fromUrl, true); xmlHTTP.onreadystatechange = function() {
            if (xmlHTTP.readyState == 4) {
                var result = xmlHTTP.responseText; var DivRes = document.createElement("Div"); DivRes.innerHTML = result; var s = DivRes.getElementsByTagName("Form")[0]; v.innerHTML = ""
                v.innerHTML = s.innerHTML;
            }
        }
        xmlHTTP.send(null);
    },
    GetHTMLData: function(fromUrl, divname) {
        try {
            var xmlHTTP; var v = document.getElementById(divname); xmlHTTP = HttpRequest.CreateXmlHTTP(); xmlHTTP.open('Get', fromUrl, true); xmlHTTP.onreadystatechange = function() {
                if (xmlHTTP.readyState == 4) {
                    var result = xmlHTTP.responseText; var DivRes = document.createElement("Div"); DivRes.innerHTML = result; var s = DivRes; v.innerHTML = ""
                    v.innerHTML = s.innerHTML;
                    //alert(s.innerHTML);
                }
            }
            xmlHTTP.send(null);
        } catch (e) {
            alert(e.message);
        }
    }
}

function PageQuery(q) {
    if (q.length > 1) {
        this.q = q.substring(1, q.length);
    }
    else {
        this.q = null;
    }

    this.keyValuePairs = new Array();
    if (q) {
        for (var i = 0; i < this.q.split("&").length; i++) {
            this.keyValuePairs[i] = this.q.split("&")[i];
        }
    }
    this.getKeyValuePairs = function() { return this.keyValuePairs; }
    this.getValue = function(s) {
        for (var j = 0; j < this.keyValuePairs.length; j++) {
            if (this.keyValuePairs[j].split("=")[0] == s)
                return this.keyValuePairs[j].split("=")[1];
        }
        return false;
    }

    this.getParameters = function() {
        var a = new Array(this.getLength());
        for (var j = 0; j < this.keyValuePairs.length; j++) {
            a[j] = this.keyValuePairs[j].split("=")[0];
        }
        return a;
    }

    this.getLength = function() { return this.keyValuePairs.length; }
}

function queryString(key) {
    var page = new PageQuery(window.location.search);
    return unescape(page.getValue(key));
}