// 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;



	numberOfColumns = content [5];

	orientation = content [6];	

	items = content [7];

	borderSize=1;

	layerBody = '<table width=' + this.width + 'bgcolor=#FFFFCC cellpadding=3 cellspacing=' + borderSize + 'border=\"0\">';

	layerBody += '<tbody><tr>';

	

	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) + ');" ';

		if (items[j].length<=12) {

		    colSpan=1;

		} else {

		    colSpan=2;

		}

		layerBody += '<td colspan='+colSpan+' align=left height=' + itemHeight + ' nowrap bgcolor=#EADB86'  + '><a class=leftSubMenu href='+ items [j + 1] +' ' + controlBlock + '>' + items [j] + '</a></td>';

		if (orientation==0) {

			if (j < items.length - 2)

				layerBody = layerBody +  '<tr>\n';

			else

				layerBody = layerBody + '\n';

		}

	}

	if ((items.length/2)<numberOfColumns) {

		layerBody+='<td colspan='+(numberOfColumns-(items.length/2))+' bgcolor=#EADB86>&nbsp;</td>';

	}



	layerBody += '</tr></tbody></table>';



	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 + ';">';

	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 + ' bgcolor=#FFFFCC cellpadding=0 	cellspacing=0 border=\"0\">' +

				    '<tbody><tr><td bgcolor=#FFFFCC>';



	layerFooter = '</td></tr></tbody></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.visibility = "visible";

    	else if (isIE) 

		document.all['Menu' + ID].style.visibility = "visible";

      	else if (isNC) 

		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 ();