function initPage()
{
    initNav({
        menuId: "main-nav",
        hoverClass: "hover",
        sideClasses: true,
        flexibility: true,
        menuPaddings: 20,
        minWidth: "li"
    });
}
function initNav(o)
{
    if (!o.menuId) o.menuId = "main-nav";
    if (!o.cleverMode) o.cleverMode = false;
    if (!o.flexibility) o.flexibility = false;
    if (!o.dropExistenceClass) o.dropExistenceClass = false;
    if (!o.hoverClass) o.hoverClass = "hover";
    if (!o.menuHardCodeClass) o.menuHardCodeClass = "menu-hard-code";
    if (!o.sideClasses) o.sideClasses = false;
    if (!o.menuPaddings) o.menuPaddings = 0;
    if (!o.minWidth) o.minWidth = 0;
    if (!o.coeff) o.coeff = 1.7;
    var n = document.getElementById(o.menuId);
    if(n)
    {
        n.className = n.className.replace(o.menuHardCodeClass, "");
        var lfl = [];
        var li = n.getElementsByTagName("li");
        for (var i=0; i<li.length; i++)
        {
            li[i].className += (" " + o.hoverClass);
            var d = li[i].getElementsByTagName("div").item(0);
            if(d)
            {
                if(o.flexibility)
                {
                    var a = d.getElementsByTagName("a");
                    for (var j=0; j<a.length; j++)
                    {
                        var w = a[j].parentNode.parentNode.offsetWidth;
                        if(w > 0)
                        {
                            if(typeof(o.minWidth) == "number" && w < o.minWidth)
                                w = o.minWidth;
                            else if(typeof(o.minWidth) == "string" && li[i].parentNode == n && w < li[i].offsetWidth)
                                w = li[i].offsetWidth + 18;
                            a[j].style.width = w - o.menuPaddings + "px";
                        }
                    }
                    d.style.width = li[i].getElementsByTagName("div").item(1).clientWidth + "px";
                }
                var t = document.documentElement.clientWidth/o.coeff;
                if(li[i].parentNode != n && (!o.cleverMode || fPX(li[i]) < t))
                {
                    d.style.right = "auto";
                    d.style.left = li[i].parentNode.offsetWidth + "px";
                    d.parentNode.className += " left-side";
                }    
                else if(li[i].parentNode != n && (o.cleverMode || fPX(li[i]) >= t))
                {
                    d.style.left = "auto";
                    d.style.right = li[i].parentNode.offsetWidth + "px";
                    d.parentNode.className += " right-side";
                }
                else if(li[i].parentNode == n && o.cleverMode && fPX(li[i]) >= t)
                {
                    li[i].className += " right-side";
                }
            }
            if(o.dropExistenceClass && li[i].getElementsByTagName("ul").length > 0)
            {
                li[i].className += (" " + o.dropExistenceClass);
                li[i].getElementsByTagName("a").item(0).className += (" " + o.dropExistenceClass + "-link");
                li[i].innerHTML += "<em class='pointer'></em>";
            }
            if(li[i].parentNode == n) lfl.push(li[i]);
        }
        if(o.sideClasses)
        {
            lfl[0].className += " first-child";
            lfl[0].getElementsByTagName("a").item(0).className += " first-child-link";
            lfl[lfl.length-1].className += " last-child";
            lfl[lfl.length-1].getElementsByTagName("a").item(0).className += " last-child-link";
        }
        for (var i=0; i<li.length; i++)
        {
            li[i].className = li[i].className.replace(o.hoverClass, "");
            li[i].onmouseover = function()
            {
                this.className += (" " + o.hoverClass);
            }
            li[i].onmouseout = function()
            {
                this.className = this.className.replace(o.hoverClass, "");
            }
        }
    }
    function fPX(a)
    {
        var b = 0;
        while (a.offsetParent) {b += a.offsetLeft; a = a.offsetParent;}
        return b;
    }
}
if (window.addEventListener)
    window.addEventListener("load", initPage, false);
else if (window.attachEvent)
    window.attachEvent("onload", initPage);