// JavaScript Document


<!--
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];}
}
//-->

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


var _HiderContainer = null;

function BrowserDetect() {
	var ua = navigator.userAgent.toLowerCase();
	// browser name
	this.isIE = ( (ua.indexOf('msie') != -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) );
	// browser version
	this.versionMinor = parseFloat(navigator.appVersion);
	if (this.isIE && this.versionMinor >= 4) {
		this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
	}
	this.versionMajor = parseInt(this.versionMinor);
	// specific browser shortcuts
	this.isIE5x = (this.isIE && this.versionMajor == 5);
	this.isIE55 = (this.isIE && this.versionMinor == 5.5);
	this.isMac   = (ua.indexOf('mac') != -1);
}

window.onload=function()
{
	Main("nb");
}


// Assign Rollovers to the main navigation
function Main(strNavAbbrev) {
	BrowserDetect();
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById(strNavAbbrev);
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				if(this.versionMinor >=5.5)
				{
					var aUL = new Array();
					for (var z=0;z<node.childNodes.length;z++) {
						if (node.childNodes[z].nodeName == "UL") {
							aUL[aUL.length] = node.childNodes[z];
						}
					}
					oUL = aUL[0];
					node.nIndex = 0;
					node.parentMenu = navRoot;
					node.submenu = oUL;
				}
				node.onmouseover=function() {
					this.className+=" over";
					if (typeof(iFrameCtrl) != "undefined" && typeof(this.submenu) != "undefined")
					{ 
						iFrameCtrl(this.submenu, this);
						xShow(this.submenu);
						this.parentMenu.shownMenu = this.submenu;
					}
				}
				node.onmouseout=function() {
					this.className = "";
					if (typeof(this.submenu) != "undefined")
					{
						xHide(this.submenu);
						HideMenu(navRoot);
					}
				}
			}
		}
	}
}

function HideMenu(oMenu) {
	var curmenu = oMenu.shownMenu;
	var prevMenu;
	while ( curmenu ) {
		if (typeof(HideiFrame) != "undefined") HideiFrame(curmenu);
		prevMenu = curmenu;
		curmenu = curmenu.shownMenu;
		prevMenu.shownMenu = null;
	}
}