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];}
}

//***************** START FUNCTIONS FOR CASCADING MENU *******************
function clearMenus()
{
	showFlag = false;
	doHideSubMenu("allmenus");
}

function showSubMenu(lname)
{
	//first hide any layers currently showing, without delay:
	clearMenus();
	//then immediately show the desired layer, without delay:
	showFlag = true; //so if showSubMenu called after a hideSubMenu call, but before doHideSubMenu() - called by hideSubMenu after a delay - has hidden the layer(s), layer(s) will not be hidden after all, as doHideSubMenu() function checks showFlag first
	if(document.all)
		document.all[lname].style.visibility='visible';
	else
	{
		if(document.layers)
			document.layers[lname].visibility='show';
		if(document.getElementById)	
		{
			var docContents = document.getElementsByTagName("*"); 
			docContents[lname].style.visibility='visible';
		}
	}
}

function hideSubMenu(lname)
{
	showFlag = false; //so doHideSubMenu will hide layers (unless showSubMenu called in meantime)
	setTimeout("doHideSubMenu('"+lname+"');",2000);
}

function doHideSubMenu(lname)
{
	//alert("doing hide for "+lname);
	if (!showFlag)
	{
		if (lname=="allmenus")
		{
			mArray = new Array('opLayer','vmLayer','caLayer','ctLayer');
			for (m in mArray)   
			{
		      	//alert (mArray[m]);
				if(document.all)
					document.all[mArray[m]].style.visibility='hidden';
				else
				{
					if(document.layers)
						document.layers[mArray[m]].visibility='hide';
					if(document.getElementById)	
					{
						var docContents = document.getElementsByTagName("*"); 
						docContents[mArray[m]].style.visibility='hidden';
					}
				}
				
		   	}
		}
		else
		{
			if(document.all)
				document.all[lname].style.visibility='hidden';
			else
			{
				if(document.layers)
					document.layers[lname].visibility='hide';
				if(document.getElementById)	
				{
					var docContents = document.getElementsByTagName("*"); 
					docContents[lname].style.visibility='hidden';
				}
			}
		}
	}
}
//***************** END FUNCTIONS FOR CASCADING MENU *******************