var currentID = "";
var currentFunc;
var numberOfMenus = 3;

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 loadMenuItems()
{
		if (isNav4)
		{
				return null;
		}
		for (i=1; i < numberOfMenus+1; i++)
		{
				var coordinates; 
				
				coordinates = getPosition("m" + i);
				if (isOpera)
				{
						setIdProperty("o" + i, "left", coordinates.x);
						setIdProperty("o" + i, "top", coordinates.y);
				}
				else
				{
						moveTo("o" + i, coordinates.x, coordinates.y);
				}
				setIdProperty("o" + i, "visibility", "hidden");
				setIdProperty("o" + i, "display", "block");
		}
}

function openMenu( id, flag )
{
		if (isNav4)
		{
				return null;
		}
		if (flag)
		{
				var idProperty = getIdProperty(id, "visibility");
				if (idProperty == "visible")
				{
						clearTimeout(currentFunc);
				}
		}
		else
		{
				if (currentFunc)
				{
						clearTimeout(currentFunc);
						setIdProperty(currentID, "visibility", "hidden");
				}
				setIdProperty(id, "visibility", "visible");
		}
}

function checkMenu( id )
{
		if (isNav4)
		{
				return null;
		}
		currentID = id;
		currentFunc = setTimeout("closeMenu()", 500);
}

function closeMenu( id )
{
		if (isNav4)
		{
				return null;
		}
		if (id)
		{
				currentID = id;
		}
		setIdProperty(currentID, "visibility", "hidden");
}

setBrowser();