//do browser detect stuff
var isNS = (navigator.appName == "Netscape");
var isMacIE = ( (navigator.userAgent.indexOf("IE 4")  > -1) && (navigator.userAgent.indexOf("Mac")  > -1) );
var layerRef = (isNS) ? "document" : "document.all";
var styleRef = (isNS) ? "" : ".style";
var isDynamic = ( (document.layers || document.all) && !isMacIE );

var activeMenu = 0;
var finalClip;


function activateMenu(menuLayerRef, offset) {
	
	if (isDynamic && activeMenu != menuLayerRef) {

		if (activeMenu) hideMenu("menu" + activeMenu);
			
		menuID = "menu" + menuLayerRef;
		activeMenu = menuLayerRef;
	
		if (isNS) {
			document[menuID].top = 165;
			document[menuID].left = offset;
		} else {
			document.all[menuID].style.pixelTop = 165;
			document.all[menuID].style.pixelLeft = offset;
		}

		showMenu(menuID)
		
	}
	if (isDynamic && !isNS) window.event.cancelBubble = true;
}

function showMenu(layerID) {
	eval(layerRef + '["' + layerID + '"]' + styleRef + '.visibility = "visible"');
}

function hideMenu(layerID) {
	eval(layerRef + '["' + layerID + '"]' + styleRef + '.visibility = "hidden"');
}

function killMenu(e) {
	//check if theres a menu active
	if (activeMenu) {
		menuID = "menu" + activeMenu;
		if (isNS) {
			menuX1 = document[menuID].left;
			menuX2 = menuX1 + document[menuID].clip.right;
			menuY1 = document[menuID].top;
			menuY2 = menuY1 + document[menuID].clip.bottom;
			
			if (e.pageX < menuX1 || e.pageX > menuX2 || e.pageY > menuY2) {
				hideMenu(menuID);
				activeMenu = 0;
			}
		} else {
				hideMenu(menuID);
				activeMenu = 0;

		}
	}  

}


function init() {
	if (isDynamic) {
		if (isNS) { 
			document.captureEvents(Event.MOUSEMOVE); 
			document.onmousemove = killMenu;
		} else {
			document.onmouseover = killMenu;
		}
		
	}
}

//This function is included just for demonstration
function popUp(moviePath, winName, xSize, Ysize) {	
      window.open(moviePath, winName, "width=" + xSize + ",height=" + Ysize + ",directories=no,status=no,scrollbars=no,resize=no,menubar=no,toolbar=no,alwaysRaised=yes" );
}

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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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];}
}
//-->