if(!document.getElementById)document.getElementById=function(){return null;}
var activeMenu = null;
var overMenu   = null;
var activeSub  = null;
var overSub    = null;
var timeout    = null;

function JSmenuOver(parentID,subID) {
    if (timeout) clearTimeout(timeout);
    var par = document.getElementById(parentID);
    var sub = document.getElementById(subID);
    if (!par || !sub || overMenu==par) return;
    if (overMenu) overMenu.className = "navLink";
    par.className = "navLinkOver";
    JSswapBgImg(overMenu,false);
    JSswapBgImg(par,true);
    overMenu=par;
    if (overSub) overSub.className = "subMenuHidden";
    sub.className = "subMenuVisible";
    overSub=sub;
}
function JSmenuOut() {
    if (timeout) clearTimeout(timeout);
    if (activeMenu == overMenu) return;
    if (overMenu) {
        overMenu.className = "navLink";
        JSswapBgImg(overMenu,false);
	    overMenu = activeMenu;
    }
    if (overSub) {
	    overSub.className = "subMenuHidden";
	    overSub = activeSub;
    }
    if (activeMenu) {
        activeMenu.className = "navLinkOver";
        JSswapBgImg(activeMenu,true);
    }
    if (activeSub)  activeSub.className  = "subMenuVisible";
}
function JSswapBgImg(obj) {
    if (obj && obj.getAttribute("oSrc") && obj.style && obj.style.backgroundImage) {
        url = obj.style.backgroundImage;
        obj.style.backgroundImage = obj.getAttribute("oSrc");
        obj.setAttribute("oSrc",url);
    }
}

function JSswapBgImg(obj,mode) {
    if (obj && obj.style && obj.style.backgroundImage) {
        var img = null;
        if (mode) {
            var img = obj.getAttribute("aSrc");
            if (img) obj.style.backgroundImage = img;
        } else {
            var img = obj.getAttribute("oSrc");
            if (img) obj.style.backgroundImage = img;
        }
    }
}

function JSsubOver(){if(timeout)clearTimeout(timeout);}
function JSsubOut() {if(timeout)clearTimeout(timeout);timeout=setTimeout("JSmenuOut();",500);}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}