// constants
    var buttx, butty;


var initX       = 0; // x-coordinate of top left corner of dropdown menu 
var initY       = 0; // y-coordinate of top left corner of dropdown menu 
var backColor   = '#353f1e'; // the background color of dropdown menu, set empty '' for transparent
var borderColor = 'white'; // the color of dropdown menu border
var borderSize  = '1'; // the width of dropdown menu border
var itemHeight  = 20;
var xOverlap    = 5;
var yOverlap    = 10;
//


menuContent     = new Array ();

menuContent [0] = new Array ( 
-1, // the id of parent menu, -1 if this is a first level menu
-1, // the number of line in parent menu, -1 if this is a first level menu
148, // the width of current menu list 
-1, // x coordinate (absolute) of left corner of this menu list, -1 if the coordinate is defined from parent x-coordinate
-1, // y coordinate (absolute) of left corner of this menu list, -1 if the coordinate is defined from parent y-coordinate
new Array (
'products', 'home.aspx?page=products',
'australian distribution', 'home.aspx?page=products',
'export information', 'home.aspx?page=export',
'about us', 'home.aspx?page=about',
'make an enquiry', 'home.aspx?page=enquiry',
'contact us', 'home.aspx?page=contact',
'photo gallery', 'home.aspx?page=gallery'
));

menuContent [1] = new Array ( 
-1, 
-1,
250,
-1, // x coordinate (absolute) of left corner of this menu list, -1 if the coordinate is defined from parent x-coordinate
-1, // y coordinate (absolute) of left corner of this menu list, -1 if the coordinate is defined from parent y-coordinate
new Array (
'flooring - tasmanian species', 'home.aspx?page=prod_floor_tas',
'flooring - other australian species', 'home.aspx?page=prod_floor_aus',
'flooring - exotic species', 'home.aspx?page=prod_floor_ex',
'furniture timbers - tasmanian species', 'home.aspx?page=prod_furn_tas',
'furniture timbers - other australian species', 'home.aspx?page=prod_furn_aus',
'furniture timbers - exotic species', 'home.aspx?page=prod_furn_ex',
'mouldings - tasmanian species', 'home.aspx?page=prod_mould_tas',
'mouldings - other australian species', 'home.aspx?page=prod_mould_aus',
'mouldings - exotic species', 'home.aspx?page=prod_mould_ex',
'veneer - tasmanian species', 'home.aspx?page=prod_veneer_tas'
));




// Don't change these parameters
var delay        = 500; /////
var menuElement  = new Array ();
var usedWidth    = 0;
var numOfMenus   = 0;
/// ----------------------------

// check browser version
isNC    = (document.layers) ? 1 : 0;
isOPERA = (navigator.userAgent.indexOf('Opera') >= 0)? true : false;
isIE    = (document.all && !isOPERA)? true : false;
isDOM   = (document.getElementById && !isIE && !isOPERA)? true : false;

var topID  = -1;

// constructor of menu elements
function menuConstructor (id, content)
{
	this.ID            = id;
	this.parentID      = content [0]*1;
	this.parentItemID  = content [1]*1;
	this.width         = content [2]*1;
	this.timerID       = -1;
	this.isOn          = false;
	this.item          = new Array ();
	this.currItemID    = -1;
	
	this.x = content [3]*1;
	
	if (this.x < 0 && this.parentID == -1)
	{
		this.x = initX + usedWidth;
		//usedWidth = usedWidth + this.width;
	}
	else if (this.x < 0 && this.parentID > -1)
	{
		this.x =  menuElement [this.parentID].x
			      + menuElement [this.parentID].width
			      - xOverlap;
	}
	
	this.y = content [4]*1;
	if (this.y < 0 && this.parentID == -1)
		this.y = initY;
	else if (this.y < 0 && this.parentID > -1)
		this.y =  menuElement [this.parentID].y
	 		      + itemHeight*this.parentItemID
			      + yOverlap;
	
	items = content [5];

	layerBody = '<table width=' + this.width + ' cellpadding=1 cellspacing=' + borderSize + ' border=0>';
	
	for (j = 0; j <= items.length - 2; j = j + 2)
	{
		controlBlock = ' onMouseOver = "enterItem (' + this.ID + ', ' + ((j + 2)/2 - 1) + ');" onMouseOut = "exitItem (' + this.ID + ', ' + ((j + 2)/2 - 1) + ');" ';
		layerBody += '<td class=menucell height=' + itemHeight + ' width=' + this.width + ' bgcolor=' + backColor + ' onmouseover = "this.style.background=\'white\';this.all[0].style.color=\'' + backColor + '\'" onmouseout = "this.style.background=\'' + backColor + '\';this.all[0].style.color=\'white\'" onclick = "this.all[0].click()"><a class=menutext href='+ items [j + 1] +' ' + controlBlock + '>' + items [j] + '</a></td>';
		if (j < items.length - 2)
			layerBody = layerBody +  '<tr>\n';
		else
			layerBody = layerBody + '\n';
	}

	if (!isNC)
		layerHeader = '<div id=Menu' + this.ID +
				   	   ' onMouseOver="enterMenu (' + this.ID + ');" onMouseOut = "exitMenu (' + this.ID + ');"' +
		    	       ' style="background: ; width: ' + this.width + '; visibility: hidden; position: absolute; left: ' + this.x +
		        	   '; top: ' + this.y + ';filter: alpha(opacity=75)">';
	else
		layerHeader = '<layer id=Menu' + this.ID +
					   ' onMouseOver="enterMenu (' + this.ID + ');" onMouseOut = "exitMenu (' + this.ID + ');"' +
					   ' visibility=hide left=' + this.x +
					   ' top =' + this.y + '>';

	layerHeader += '<table width=' + this.width + ' cellpadding=0 cellspacing=0 border=0>' +
				    '<td bgcolor=' + borderColor + '>';

	layerFooter = '</table></td></table>';

	if (!isNC)
		layerFooter = layerFooter + '</div>';
	else
		layerFooter = layerFooter + '</layer>';

	document.writeln (layerHeader + layerBody + layerFooter);

	return this;
}
function enterTopItem (ID)
{
	if (topID != ID && topID != -1)
		hideTree (topID);
	releaseTree (ID);
	topID = ID;
	show (ID);
}
function exitTopItem (ID)
{
	menuElement [ID].timerID = setTimeout ('hide (' + ID + ')', delay);
}
function enterItem (menuID, itemID)
{
	var currItemID = menuElement [menuID].currItemID;

	if (currItemID != i & currItemID > -1)	
		hide (currItemID);
	

	for (var i = 0; i < numOfMenus; i++)
	{
		if (menuElement [i].parentID == menuID &&
		    menuElement [i].parentItemID == itemID)
		{
			clearTimeout (menuElement [i].timerID);
			menuElement [i].timerID = -1;
			show (i);
			return 0;
		}
	}

	return -1;
}
function exitItem (menuID, itemID)
{
	for (var i = 0; i < numOfMenus; i++)
	{
		if (menuElement [i].parentID == menuID &&
		    menuElement [i].parentItemID == itemID)
		{
			menuElement [i].timerID = setTimeout ('hide (' + i + ')', delay);
			return 0;
		}
	}
}
function enterMenu (ID)
{
	var parentID = menuElement [ID].parentID;
	if (parentID == -1)
	{
		clearTimeout (menuElement [ID].timerID);
		menuElement [ID].timerID = -1;
	}
	else
		releaseTree (ID);
}
function exitMenu (ID)
{
	timeoutTree (ID);
}
function hideTree (ID)
{
	hide (ID);
	for (var j = 0; j < numOfMenus; j++)
	{
		if (menuElement [j].parentID == ID &&
			menuElement [j].isOn)
		{
			hideTree (j);
			return 0;
		}
	}
}
function releaseTree (ID)
{
	clearTimeout (menuElement [ID].timerID);
	menuElement [ID].timerID = -1;

	var parentID = menuElement [ID].parentID;
	if (parentID > -1)
		releaseTree (parentID);
}
function timeoutTree (ID)
{
	menuElement [ID].timerID = setTimeout ('hide (' + ID + ')', delay);
	var parentID = menuElement [ID].parentID;
	if (parentID > -1)
		timeoutTree (parentID);
}

function show (ID)
{
	if (isDOM) {
		document.getElementById('Menu' + ID).style.left = menuElement[ID].x + GetMenuOriginX();
		document.getElementById('Menu' + ID).style.top = menuElement[ID].y + GetMenuOriginY();
		document.getElementById('Menu' + ID).style.visibility = "visible";
    } else if (isIE) {
		document.all['Menu' + ID].style.left = menuElement[ID].x + GetMenuOriginX();
		document.all['Menu' + ID].style.top = menuElement[ID].y + GetMenuOriginY();
		document.all['Menu' + ID].style.visibility = "visible";
    } else if (isNC) {
        document.layers[ID].left = menuElement[ID].x + GetMenuOriginX();
        document.layers[ID].top = menuElement[ID].y + GetMenuOriginY();
		document.layers[ID].visibility = "show";		
    }
	menuElement [ID].isOn = true;

	if (menuElement [ID].parentID > -1)
		menuElement [menuElement [ID].parentID].currItemID = ID;
}

function hide (ID)
{
	if (isDOM) 
		document.getElementById('Menu' + ID).style.visibility = "hidden";
    	else if (isIE) 
		document.all['Menu' + ID].style.visibility = "hidden";
      	else if (isNC) 
		document.layers[ID].visibility = "hide";

	menuElement [ID].isOn = false;

	if (menuElement [ID].parentID > -1)
		menuElement [menuElement [ID].parentID].currItemID = -1;
}

function createMenuTree ()
{
	for (var i = 0; i < menuContent.length; i++)
	{
		menuElement [i] = new menuConstructor (i, menuContent [i]);
		numOfMenus++;
	}
}

createMenuTree ();


    function totalOffsetLeft(currentObject) {
      var value;
      
      value = 0;
      
      if (currentObject == document.body) {
        value = 0;
      } else {
        value = currentObject.offsetLeft + totalOffsetLeft(currentObject.offsetParent)
      }
      return (value);
    }
    
    function totalOffsetTop(currentObject) {
      var value;
      
      value = 0;
      
      if (currentObject == document.body) {
        value = 0;
      } else {
        value = currentObject.offsetTop + totalOffsetTop(currentObject.offsetParent)
      }
      return (value);
    }
        
    function resizeMain () {
      if (document.body.clientWidth > 800) {
        maintable.width = "800";
      } else {
        maintable.width = "100%";
      }
      //createMenuTree()
      //test.innerHTML = "(" + buttx + "," + butty +")"
      
    }