// JavaScript Document
<!--

var intActiveMenu = 0;  // active menu index
var timeout         = 300;
var closetimer		= 0;
var ddmenuitem      = 0;

// gets the mouse over path by appending _mo or _mo# (where # is the number defined as intMenuOrder) to the strImagePath file name
function getMouseoverPath(strImagePath, intMenuOrder)
{
	var strMouseOver = "_mo";
	// if menu order defined, then append number
	if (intMenuOrder)
	{
		strMouseOver = "_mo" + intMenuOrder;
	}
	
	// if already displaying mouse over image, return the current path and file 
	if (strImagePath.indexOf(strMouseOver + ".") > 0)
	{
		return strImagePath;
	}
	else
	{
		// find the location of the period, extract filename before period, insert _mo or _mo#, then include file extension
		var intExtensionPosition = strImagePath.lastIndexOf("."); 
		var strTemp = strImagePath.substring(intExtensionPosition - 4, intExtensionPosition);
		if (strTemp.indexOf("_mo") == 0)
		{

			intBasePosition = intExtensionPosition - 4;
		}
		else
		{
			intBasePosition = intExtensionPosition;
		}
		return strImagePath.substring(0, intBasePosition) + strMouseOver + strImagePath.substring(intExtensionPosition, strImagePath.length);
	}
}

// gets the mouse out path by removing _mo or _mo# (where # is the number defined as intMenuOrder) to the strImagePath file name
function getMouseoutPath(strImagePath, intMenuOrder)
{
	var strMouseOver = "_mo";
	// if menu order defined, then append number
	if (intMenuOrder)
	{
		strMouseOver = "_mo" + intMenuOrder;
	}

	// if displaying mouse over image, remove _mo or _mo# from the filename before period, then include file extension
	if (strImagePath.indexOf(strMouseOver + ".") > 0)
	{
		var intExtensionPosition = strImagePath.lastIndexOf("."); 
		return strImagePath.substring(0, intExtensionPosition - strMouseOver.length) + strImagePath.substring(intExtensionPosition, strImagePath.length);
	}
	else
	{
		// if already displaying regular (non-mouse over) image, return the current path and file 		
		return strImagePath;
	}
}

// gets the previous spacer image object for menu number - intMenuOrder
// the menus are built with spacer between each menu image
// spacers are name menu_1_2 for the spacer between menu 1 and 2
// returns null if this is the first menu 
function getPreviousImageObject(intMenuOrder)
{
	if (intMenuOrder > 1)
	{
		var strImageID = "imgMenu" + (intMenuOrder - 1) + "_" + intMenuOrder;
		return document.getElementById(strImageID);
	}
	else
	{
		return null;
	}
}

// gets the next spacer image object for menu number - intMenuOrder
// the menus are built with spacer between each menu image
// spacers are name menu_1_2 for the spacer between menu 1 and 2
// returns null if this is the fifth (last) menu 
function getNextImageObject(intMenuOrder)
{
	if (intMenuOrder < 5)
	{
		var strImageID = "imgMenu" + intMenuOrder + "_" + (intMenuOrder + 1);
		return document.getElementById(strImageID);
	}
	else
	{
		return null;
	}
}

// onmouseover event for the menu image number - intMenuOrder
// shows highlighted mouseover menu image
// shows dropdown menu
// the menus are built with spacer between each menu image
// spacers are name menu_1_2 for the spacer between menu 1 and 2
// spacers on both sides of menu are changed to a mouseover version 
function menu_onmouseover(intMenuOrder)
{
	// if another drop down menu is showing, close it first
	if (intActiveMenu && intActiveMenu != intMenuOrder)
	{
		mclose();
	}
	
	intActiveMenu = intMenuOrder;
	
	// show highlighted mouseover menu image
	var objMenu = document.getElementById("imgMenu" + intMenuOrder);
	objMenu.src = getMouseoverPath(objMenu.src);

	// change previous spacer image to mouseover image
	var objPrevImg = getPreviousImageObject(intMenuOrder);
	if (objPrevImg) 
	{
		objPrevImg.src = getMouseoverPath(objPrevImg.src, intMenuOrder);
	}
	
	// change next spacer image to mouseover image
	var objNextImg = getNextImageObject(intMenuOrder);
	if (objNextImg) 
	{
		objNextImg.src = getMouseoverPath(objNextImg.src, intMenuOrder);
	}
	
	// display submenu
	mopen('SubMenu' + intMenuOrder);
}


function menu_onmouseout() 
{
	mclosetime();
}

// open hidden layer with dropdown menus
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
}

// onmouseout event the menus
// shows non-highlighted mouseover menu image
// hides dropdown menu
// the menus are built with spacer between each menu image
// spacers are name menu_1_2 for the spacer between menu 1 and 2
// spacers on both sides of menu are changed to a non-mouseover version 
function mclose()
{
	// hide submenus if they are open
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// reset menu image to regular (non - mouse over) image
	if(intActiveMenu)
	{
		// show regular (non-mouseover) image
		var objMenu = document.getElementById("imgMenu" + intActiveMenu);
		objMenu.src = getMouseoutPath(objMenu.src);
		
		// change previous spacer image to non-mouseover image
		var objPrevImg = getPreviousImageObject(intActiveMenu);
		if (objPrevImg) 
		{
			objPrevImg.src = getMouseoutPath(objPrevImg.src, intActiveMenu);
		}
		
		// change next spacer image to non-mouseover image
		var objNextImg = getNextImageObject(intActiveMenu);
		if (objNextImg) 
		{
			objNextImg.src = getMouseoutPath(objNextImg.src, intActiveMenu);
		}
	}
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

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) { //v4.01
  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];}
}
//-->