/*==========================================================================*\
|| ######################################################################## ||
|| # ILance 3.0.0 Release Candidate 1 - Enterprise Edition			  	  #	||
|| # -------------------------------------------------------------------- #	||
|| # Copyright ©2000–2006 ILance Inc. All Rights Reserved.                # ||
|| # This file may not be redistributed in whole or significant part. 	  #	||
|| # ----------------- ILANCE IS NOT FREE SOFTWARE ---------------------- #	||
|| #	 http://www.ilance.ca | http://www.ilance.ca/license.html	  	  #	||
|| # -------------------------------------------------------------------- #	||
|| # Title........: Custom Developer Designed JavaScript Functions for V3
|| # -------------------------------------------------------------------- # ||
|| ######################################################################## ||
|| # CVS History and Technical Application Information
|| # -------------------------------------------------------------------- # ||
|| # CVS:	$RCSfile: menu.js,v $
|| # CVS:	$Version: 3.0.0 $
|| # CVS:  $Revision: 1.1 $
|| # CVS:	   $Date: 2007/01/05 12:17:46 $
|| # CVS:    $Author: krittaya $
|| # -------------------------------------------------------------------- # ||
|| ######################################################################## ||
\*==========================================================================*/
function v3lib()
{
	this.userAgent = navigator.userAgent.toLowerCase();
	this.is_opera  = (this.userAgent.indexOf('opera') != -1);
	this.is_saf    = ((this.userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == 'Apple Computer, Inc.'));
	this.is_webtv  = (this.userAgent.indexOf('webtv') != -1);
	this.is_ie     = ((this.userAgent.indexOf('msie') != -1) && (!this.is_opera) && (!this.is_saf) && (!this.is_webtv));
	this.is_ie4    = ((this.is_ie) && (this.userAgent.indexOf('msie 4.') != -1));
	this.is_ie5    = ((this.is_ie) && (this.userAgent.indexOf('msie 5') != -1));
	this.is_moz    = ((navigator.product == 'Gecko') && (!this.is_saf));
	this.is_kon    = (this.userAgent.indexOf('konqueror') != -1);
	this.is_ns     = ((this.userAgent.indexOf('compatible') == -1) && (this.userAgent.indexOf('mozilla') != -1) && (!this.is_opera) && (!this.is_webtv) && (!this.is_saf));
	this.is_ns6    = ((this.is_ns) && (parseInt(navigator.appVersion) == 6));
	this.is_mac    = (this.userAgent.indexOf('mac') != -1);
}

v3lib.prototype.getElementById			= function(id)
{
	if (document.getElementById) {
		return document.getElementById(id);
	} else if (document.all) {
		return document.all[id];
	} else if (document.layers) {
		return document.layers[id];
	} else {
		return false;
	}
}

v3lib.prototype.getElementsByTagName	= function(parentobj, tagname)
{
	var elements			= false;

	if (typeof parentobj.getElementsByTagName != 'undefined') {
		elements			= parentobj.getElementsByTagName(tagname);
	} else if (parentobj.all && parentobj.all.tags) {
		elements			= parentobj.all.tags(tagname);
	}

	return elements;
}

v3lib.prototype.in_array				= function(thearray, needle)
{
	var bool				= false;

	for (var i = 0; i < this.sizeof(thearray); i++)
    {
		if (thearray[i] == needle)
        {
			bool			= true;
		}
	}

	return bool;
}

v3lib.prototype.array_key				= function(thearray, needle)
{
	var key				= 0;

	for (var i = 0; i < this.sizeof(thearray); i++) {

		if (thearray[i] == needle) {
			key			= i;
		}
	}

	return key;
}

v3lib.prototype.unset					= function(thearray, value)
{
	for(var i = 0; i < this.sizeof(thearray); i++) {
		if(thearray[i] == value) {
			delete thearray[i];
		}
	}

	return true;
}

v3lib.prototype.array_push					= function(thearray, value)
{
	thearray[this.sizeof(thearray)] = value;
}

v3lib.prototype.sizeof					= function(thearray)
{
	array_length		= 0;

	if(thearray != null && thearray != 'undefined') {

		for (i = 0; i < thearray.length; i++) {
			if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null)) {
				return i;
			}
		}

		array_length	= thearray.length;
	} else {
		array_length	= 0;
	}

	return array_length;
}

v3lib.prototype.setIndex				= function(element, array)
{
	var temp				= this.getElementById(array);

	if(temp) {
		temp.selectedIndex	= this.getSelectedIndex(element, temp);
	}
}

v3lib.prototype.setIndices				= function(values_array, select) {
	var temp				= this.getElementById(select);

	if(temp) {
		if(this.sizeof(values_array) > 0) {
			for(var i = 0; i < this.sizeof(temp.options); i++) {
				if(this.in_array(values_array, temp.options[i].value)) {
					temp.options[i].selected = true;
				}
			}
		}
	}
}

v3lib.prototype.setRadio				= function(value, name)
{
	var inputs				= this.getElementsByTagName(document, 'input');

	if(inputs) {
		for (var x = 0; x < this.sizeof(inputs); x++) {

			if(inputs[x]) {

				if(inputs[x].name == name) {
					if(inputs[x].value == value) {
						inputs[x].checked = true;
					} else {
						inputs[x].checked = false;
					}
				}
			}
		}
	}

	return true;
}

v3lib.prototype.setCheckbox			= function(value, id)
{
	var input				= this.getElementById(id);
	var check				= false;

	if(input) {
		check = (value || value > 0) ? true : false;
	}

	input.checked			= check;
}

v3lib.prototype.getSelectedIndex		= function(element, array)
{
	var pos					= 0;

	if(array) {

		for(var i = 0; i < this.sizeof(array); i++) {
			if(array[i].value == element) {
				pos			= i;
			}
		}
	}
	return pos;
}

v3lib.prototype.top				= function(obj)
{
	var postop	= 0;

	while (obj && obj != null){
		postop	+= obj.offsetTop; //  - obj.scrollTop
		obj		= obj.offsetParent;
	}

	return postop;
}

v3lib.prototype.left				= function(obj)
{
	var posleft			= 0;

	if(obj) {

		posleft			= obj.offsetLeft;
		while((obj = obj.offsetParent) != null) {

			posleft		+= obj.offsetLeft;
		}
	}

	return posleft;
}

v3lib.prototype.bottom				= function(obj)
{
	return (this.top(obj) + this.height(obj));
}

v3lib.prototype.right				= function(obj)
{
	return (this.left(obj) + this.width(obj));
}

v3lib.prototype.width				= function(obj)
{

	var objwidth		= 0;

	if(obj) {
		objwidth			= obj.offsetWidth;
	}

	return objwidth;
}

v3lib.prototype.height				= function(obj)
{
	var objheight		= 0;

	if(obj) {
		objheight			= obj.offsetHeight;
	}

	return objheight;
}

v3lib.prototype.overlaps			= function(over, under) {

	var does_overlap	= true;

	if(this.left(under) > this.right(over)) does_overlap = false;
	if(this.right(under) < this.left(over)) does_overlap = false;
	if(this.top(under) > this.bottom(over)) does_overlap = false;
	if(this.bottom(under) < this.top(over)) does_overlap = false;

	return does_overlap;
}

v3lib.prototype.forceCursor		= function(obj)
{
	if(obj)
    {
		try
        {
			obj.style.cursor = 'pointer';
		}
        catch(e)
        {
			obj.style.cursor = 'hand';
		}
	}
}

var d						= new v3lib()
var open_menu				= false;
var hidden_selects			= new Array()
var tempX					= 0;
var tempY					= 0;
var use_click				= true;

function menu_init(link_id, menu_id)
{
	var menu = d.getElementById(menu_id);
	var link = d.getElementById(link_id);
	
	if (menu && link) 
	{
		menu.style.display	= 'none';
		link.unselectable	= true;
		
		d.forceCursor(link);
		
		link.onclick = function() 
		{
			menu.link_id		= this.id;

			if (menu.style.display == 'none')
			{
				openmenu(menu, this);
			} 
			else 
			{
				closemenu(menu);
			}
		}
		
		link.onmouseover = function() 
		{
			if (open_menu) 
			{
				if (open_menu.link_id != this.id) 
				{
					closemenu(open_menu);
					openmenu(menu, this);
				}
			}

			if (!use_click) 
			{
				menu.link_id		= this.id;
				
				if (menu.style.display == 'none') 
				{
					openmenu(menu, this);
				} 
				else 
				{
					if (menu.link_id != open_menu.link_id) 
					{
						closemenu(menu);
					}
				}
			}
		}
		
		if (!use_click) 
		{
			link.onmouseout = function(event) 
			{
				hidemenuclick(event);
			}
			
			menu.onmouseout = function(event) 
			{
				hidemenuclick(event);
			}
		}
		highlightmenurows(menu);
	}
}

function openmenu(menu, link) 
{
	if (menu && link) 
	{
		if (menu.style.display == 'none') 
		{
			menu.style.display = 'block';
			menu_positions(menu, link);

			/* Loop through all of the <select>'s on a page */
			selects = d.getElementsByTagName(document, 'select');
			
			if (selects) 
			{
				for (var s = 0; s < d.sizeof(selects); s++) 
				{
					if (selects[s]) 
					{
						/* If the menu overlaps the select menu, hide the select */
						if (d.overlaps(menu, selects[s]))
						{
							selects[s].style.display = 'none';
							d.array_push(hidden_selects, selects[s]);
						}
					}
				}
			}
			open_menu = menu;
		} 
		else 
		{
			close_menu(menu);
		}
	}
	return true;
}

function closemenu(menu)
{
	if (menu) 
	{
		menu.style.display = 'none';
		open_menu = false;
		
		/* Show any hidden select menus */
		if (d.sizeof(hidden_selects) > 0) 
		{
			for (var i = 0; i < d.sizeof(hidden_selects); i++) 
			{
				hidden_selects[i].style.display = 'block';
			}
			hidden_selects = new Array()
		}
	}
}

function hidemenuclick(event)
{
	if (event) 
	{
		if (navigator.appName != "Netscape") 
		{
			tempX = window.event.clientX + window.document.body.scrollLeft;
			tempY = window.event.clientY + window.document.body.scrollTop;
		} 
		else 
		{
			tempX = event.pageX;
			tempY = event.pageY;
		}

		if (tempX <= 0) { tempX = 0 }
		if (tempY <= 0) { tempY = 0 }
	}
	
	if (open_menu)
	{
		open_menulink = d.getElementById(open_menu.link_id);
		keep_open = true;
		
		if (tempY > d.bottom(open_menu)) keep_open = false;
		if (tempY < d.top(open_menulink)) keep_open = false;
		if (tempX < d.left(open_menu)) keep_open = false;
		if (tempX > d.right(open_menu)) keep_open = false;

		if (!keep_open) 
		{
			open_menu.style.display = 'none';
			open_menu				= false;
		}
	}
}

function highlightmenurows(menu)
{
	if(menu) 
	{
		var rows = d.getElementsByTagName(menu, 'td');
		
		if (rows) 
		{
			for (var i = 0; i < d.sizeof(rows); i++) 
			{
				if (rows[i].className == 'tablehead_alt') 
				{
					rows[i].onmouseover = function() 
					{
						this.className = 'tablehead_alt2';
					}

					rows[i].onmouseout = function() 
					{
						this.className = 'tablehead_alt';
					}
				}
			}
		}
	}
}

function menu_positions(menu, link)
{
	if (menu && link) 
	{
		menu.style.position	= 'absolute';
		force_right			= parseInt(d.left(link) + d.width(menu)) >= document.body.clientWidth ? true : false;
		menu.style.left		= (force_right ? (d.left(link) - (d.width(menu) - d.width(link))) : d.left(link)) + 'px';
		menu.style.top		= parseInt(d.top(link) + d.height(link)) + 'px';
	}
}

if (document.addEventListener) 
{
	document.addEventListener('click', hidemenuclick, false);
	
	if (!use_click)
		document.addEventListener('mousemove', hidemenuclick, false);
} 
else if(document.attachEvent) 
{
	document.attachEvent('onclick', hidemenuclick);
	
	if(!use_click)
		document.attachEvent('onmousemove', hidemenuclick);
}