if (document.all)    {n=0;ie=1;ns6=0;fShow="visible";fHide="hidden";}
if (document.getElementById&&!document.all)    {n=0;ie=0;ns6=1;fShow="visible";fHide="hidden";}
if (document.layers) {n=1;ie=0;ns6=0;fShow="show";fHide="hide";}

//Top Nav bar script v2.1- http://www.dynamicdrive.com/dynamicindex1/sm/index.htm

opr6=ie&&navigator.userAgent.indexOf("Opera")!=-1

window.onerror=new Function("return true")
////////////////////////////////////////////////////////////////////////////
// Function Menu()                                                        //
////////////////////////////////////////////////////////////////////////////
rightX = 0;
function Menu()
{
        this.bgColor     = menucolor;
        if (ie) this.menuFont = "bold 12px Arial"; //default font settings. Don't change. Instead, modify stylesheet or style (top line)
        if (n)  this.menuFont = "bold 12px Verdana";
        this.fontColor   = "black";

        this.addItem    = addItem;
        this.addSubItem = addSubItem;
        this.showMenu   = showMenu;
        this.mainPaneBorder = 0;
        this.subMenuPaneBorder = 0;

        this.subMenuPaneWidth = submenuwidth;

        lastMenu = null;
        
        rightY = 0;
        leftY = 0;
        leftX = 0;

        HTMLstr = "";
        HTMLstr += "<!-- MENU PANE DECLARATION BEGINS -->\n";
        HTMLstr += "\n";
//        if (ie||ns6) HTMLstr += "<div id='MainTable' style='position:absolute;top:130;left:0;'>\n";
        if (ie||ns6) HTMLstr += "<div id='MainTable'>\n";
//        if (n)  HTMLstr += "<layer name='MainTable'>\n";
        HTMLstr += "<table width='925' bgcolor='"+this.bgColor+"' border='"+this.mainPaneBorder+"'>\n";
        HTMLstr += "<tr>";
        if (n) HTMLstr += "<td>&nbsp;";
        HTMLstr += "<!-- MAIN MENU STARTS -->\n";
        HTMLstr += "<!-- MAIN_MENU -->\n";
        HTMLstr += "<!-- MAIN MENU ENDS -->\n";
        if (n) HTMLstr += "</td>";
        HTMLstr += "</tr>\n";
        HTMLstr += "</table>\n";
        HTMLstr += "\n";
        HTMLstr += "<!-- SUB MENU STARTS -->\n";
        HTMLstr += "<!-- SUB_MENU -->\n";
        HTMLstr += "<!-- SUB MENU ENDS -->\n";
        HTMLstr += "\n";
        if (ie||ns6) HTMLstr+= "</div>\n";
//        if (n)  HTMLstr+= "</layer>\n";
        HTMLstr += "<!-- MENU PANE DECALARATION ENDS -->\n";
}

function addItem(idItem, text, hint, location, altLocation)
{
        var Lookup = "<!-- ITEM "+idItem+" -->";
        if (HTMLstr.indexOf(Lookup) != -1)
        {
                alert(idParent + " already exist");
                return;
        }
        var MENUitem = "";
        MENUitem += "\n<!-- ITEM "+idItem+" -->\n";
        if (n)
        {
                MENUitem += "<ilayer name="+idItem+">";
                MENUitem += "<a href='.' class=clsMenuItemNS onmouseover=\"displaySubMenu('"+idItem+"')\" onclick=\"return false;\">";
                MENUitem += "|&nbsp;";
                MENUitem += text;
                MENUitem += "</a>";
                MENUitem += "</ilayer>";
        }
        if (ie||ns6)
        {
                MENUitem += "<td>\n";
                MENUitem += "<div id='"+idItem+"' style='position:relative; font: "+this.menuFont+";'>\n";
                MENUitem += "<a ";
                MENUitem += "class=clsMenuItemIE ";
//                MENUitem += "style='text-decoration: none; font: "+this.menuFont+"; color: "+this.fontColor+"; cursor: hand;' ";
                if (hint != null)
                        MENUitem += "title='"+hint+"' ";
                if (location != null)
                {
                        MENUitem += "href='"+location+"' ";
                        MENUitem += "onmouseover=\"hideAll()\" ";
                }
                else
                {
                        if (altLocation != null)
                                MENUitem += "href='"+altLocation+"' ";
                        else
                                MENUitem += "href='.' ";
                        MENUitem += "onmouseover=\"displaySubMenu('"+idItem+"')\" ";
                        MENUitem += "onclick=\"return false;\" "
                }
                MENUitem += ">";
                MENUitem += "|&nbsp;\n";
                MENUitem += text;
                MENUitem += "</a>\n";
                MENUitem += "</div>\n";
                MENUitem += "</td>\n";
        }
        MENUitem += "<!-- END OF ITEM "+idItem+" -->\n\n";
        MENUitem += "<!-- MAIN_MENU -->\n";

        HTMLstr = HTMLstr.replace("<!-- MAIN_MENU -->\n", MENUitem);
}

function addSubItem(idParent, text, hint, location, linktarget)
{
        var MENUitem = "";
        Lookup = "<!-- ITEM "+idParent+" -->";
        if (HTMLstr.indexOf(Lookup) == -1)
        {
                alert(idParent + " not found");
                return;
        }
        Lookup = "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->";
        if (HTMLstr.indexOf(Lookup) == -1)
        {
                if (n)
                {
                        MENUitem += "\n";
                        MENUitem += "<layer id='"+idParent+"submenu' visibility=hide bgcolor='"+this.bgColor+"'>\n";
                        MENUitem += "<table border='"+this.subMenuPaneBorder+"' bgcolor='"+this.bgColor+"' width="+this.subMenuPaneWidth+">\n";
                        MENUitem += "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
                        MENUitem += "</table>\n";
                        MENUitem += "</layer>\n";
                        MENUitem += "\n";
                }
                if (ie||ns6)
                {
                        MENUitem += "\n";
                        MENUitem += "<div id='"+idParent+"submenu' onmouseout=operahide() style='position:absolute; visibility: hidden; z-index:100; width: "+this.subMenuPaneWidth+"; font: "+this.menuFont+"; top: -300;'>\n";
                        MENUitem += "<table border='"+this.subMenuPaneBorder+"' bgcolor='"+this.bgColor+"' width="+this.subMenuPaneWidth+">\n";
                        MENUitem += "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
                        MENUitem += "</table>\n";
                        MENUitem += "</div>\n";
                        MENUitem += "\n";
                }
                MENUitem += "<!-- SUB_MENU -->\n";
                HTMLstr = HTMLstr.replace("<!-- SUB_MENU -->\n", MENUitem);
        }

        Lookup = "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
        if (n)  MENUitem = "<tr><td><a class=clsMenuSubItemNS title='"+hint+"' href='"+location+"' target='"+linktarget+"'>"+text+"</a><br></td></tr>\n";
        if (ie||ns6) MENUitem = "<tr><td><a class=clsMenuSubItemIE title='"+hint+"' href='"+location+"' target='"+linktarget+"'>"+text+"</a><br></td></tr>\n";
        MENUitem += Lookup;
        HTMLstr = HTMLstr.replace(Lookup, MENUitem);

}

function showMenu()
{
        document.writeln(HTMLstr);
}

////////////////////////////////////////////////////////////////////////////
// Private declaration
function displaySubMenu(idMainMenu)
{
        var menu;
        var submenu;
        if (n)
        {
                submenu = document.layers[idMainMenu+"submenu"];
                if (lastMenu != null && lastMenu != submenu) hideAll();
                submenu.left = document.layers[idMainMenu].pageX;
                submenu.top  = document.layers[idMainMenu].pageY + 25;
                submenu.visibility = fShow;

                leftX  = document.layers[idMainMenu+"submenu"].left;
                rightX = leftX + document.layers[idMainMenu+"submenu"].clip.width;
                leftY  = document.layers[idMainMenu+"submenu"].top+
                        document.layers[idMainMenu+"submenu"].clip.height;
                rightY = leftY;
        } else if (ie||ns6) {
//alert(document.getElementById(idMainMenu+"submenu").id)
                menu = ie? eval(idMainMenu) : document.getElementById(idMainMenu);
                submenu = ie? eval(idMainMenu+"submenu.style") : document.getElementById(idMainMenu+"submenu").style;
                submenu.left = calculateSumOffset(menu, 'offsetLeft');
//                submenu.top  = calculateSumOffset(menu, 'offsetTop') + 180;
                submenu.top  = menu.style.top+150;
                submenu.visibility = fShow;
                if (lastMenu != null && lastMenu != submenu) hideAll();

                leftX  = ie? document.all[idMainMenu+"submenu"].style.posLeft : parseInt(document.getElementById(idMainMenu+"submenu").style.left);
                rightX = ie? leftX + document.all[idMainMenu+"submenu"].offsetWidth : leftX+parseInt(document.getElementById(idMainMenu+"submenu").offsetWidth);

                leftY  = ie? document.all[idMainMenu+"submenu"].style.posTop+
                        document.all[idMainMenu+"submenu"].offsetHeight : parseInt(document.getElementById(idMainMenu+"submenu").style.top)+parseInt(document.getElementById(idMainMenu+"submenu").offsetHeight);
                rightY = leftY;
        }
        lastMenu = submenu;
}

function hideAll()
{
        if (lastMenu != null) {lastMenu.visibility = fHide;lastMenu.left = 0;}
}

function calculateSumOffset(idItem, offsetName)
{
        var totalOffset = 0;
        var item = eval('idItem');
        do
        {
                totalOffset += eval('item.'+offsetName);
                item = eval('item.offsetParent');
        } while (item != null);
        return totalOffset;
}

function updateIt(e)
{
        if (ie&&!opr6)
        {
                var x = window.event.clientX;
                var y = window.event.clientY;

                if (x > rightX || x < leftX) hideAll();
                else if (y > rightY) hideAll();
        }
        if (n||ns6)
        {
                var x = e.pageX;
                var y = e.pageY;

                if (x > rightX || x < leftX) hideAll();
                else if (y > rightY) hideAll();
        }
}

function operahide(){
        if (opr6){
        if (!MainTable.contains(event.toElement))
        hideAll()
}
}

if (ie||ns6)
{
        document.body.onclick=hideAll;
        document.body.onscroll=hideAll;
        document.body.onmousemove=updateIt;
}
if (document.layers)
{
        window.captureEvents(Event.MOUSEMOVE);
        window.captureEvents(Event.CLICK);
        window.onmousemove=updateIt;
        window.onclick=hideAll;
}