// Load and display topbar with banner and menu:

function topbar() {
// document.write('<table id=\'topbanner\' border=0 width=100% cellpadding=0 cellspacing=0 bgcolor="#FFFFDE"><tr><td height=100 valign="center" bgcolor="#FFFFDE" >');
 document.write('<img src=\'menu/iwr.gif\' border=0 valign=top align=left>');
 document.write('</td><td width=30% align=right><small>...</small></td></tr><tr><td colspan=2 height=29 width=100% bgcolor="#F0FFDE" border=2 background="menu/bar.gif">');
  document.write('&nbsp;');
 new menu (MENU_ITEMS, MENU_POS);
 document.write('<a href="sitemap.htm" title="Site Map" style="color:white;text-decoration:none;font-size:smaller;">Site Map</a>');
 document.write('</td></tr><!/table><!br>'); 
}


// Email obfuscator v2, <c> IWR Consultancy

var suffix1 = "co";
var suffix2 = "uk";

var domain = "iwrcons" + "ultancy";

function emlaunch(emlname) {

//  window.onError = null
  var thsads = "mailto:" + emlname + "@" + domain + "." + suffix1 + "." + suffix2;
  document.location=thsads;

}

function myeml(emlname,caption) {

if (caption==undefined) {
caption = emlname + '<img src="images/at.gif" border=0 vspace=0 hspace=0 valign=bottom alt="">' + domain + '.' + suffix1 + '.' + suffix2;
} else {
// caption = caption + ': &nbsp;' + emlname + '<img src="at.gif" border=0 vspace=0 hspace=0 valign=bottom alt="">' + domain + '.' + suffix1 + '.' + suffix2;
}

//  window.onError = null ;
  mailstring= "<a href='javascript:emlaunch(\"" + emlname + "\");' title='Contact Address'>"+ caption +"</a>";
  document.write(mailstring);

}


function m_showtxt(){
 m_splashimg.style.position = 'absolute';
 m_splashimg.style.left = '-4000px';
 m_splashtxt.style.position = 'relative';
 m_splashtxt.style.left = '0px';
}

function m_showimg(){
 m_splashtxt.style.position = 'absolute';
 m_splashtxt.style.left = '-4000px';
 m_splashimg.style.position = 'relative';
 m_splashimg.style.left = '0px';
}


function showdiv( elemID )
{
    var elem = document.getElementById( elemID );
    if( elem.style.position != 'absolute' )
    {
        elem.style.position = 'absolute';
        elem.style.left = '-4000px';
    }
    else
    {
        elem.style.position = 'relative';
        elem.style.left = '0px';
    }
}



// Dynamic menu code: 

// --------------------------------------------------------------------------------
// global collection containing all menus on current page
var A_MENUS = [];

//iframe menu parameters;
var imenuid='imenu';
var imenumin=180;
var imenumax=450;

// --------------------------------------------------------------------------------
// menu class
function menu (a_items, a_tpl) {

	// browser check
	if (!document.body || !document.body.style)
		return;

	// store items structure
	this.a_config = a_items;

	// store template structure
	this.a_tpl = a_tpl;

	// get menu id
	this.n_id = A_MENUS.length;

	// declare collections
	this.a_index = [];
	this.a_children = [];

	// assigh methods and event handlers
	this.expand      = menu_expand;
	this.collapse    = menu_collapse;

	this.onclick     = menu_onclick;
	this.onmouseout  = menu_onmouseout;
	this.onmouseover = menu_onmouseover;
	this.onmousedown = menu_onmousedown;

	// default level scope description structure 
	this.a_tpl_def = {
		'block_top'  : 16,
		'block_left' : 16,
		'top'        : 20,
		'left'       : 4,
		'width'      : 120,
		'height'     : 22,
		'hide_delay' : 0,
		'expd_delay' : 0,
		'css'        : {
			'inner' : '',
			'outer' : ''
		}
	};
	
	// assign methods and properties required to imulate parent item
	this.getprop = function (s_key) {
		return this.a_tpl_def[s_key];
	};

	this.o_root = this;
	this.n_depth = -1;
	this.n_x = 0;
	this.n_y = 0;

	// 	init items recursively
	for (n_order = 0; n_order < a_items.length; n_order++)
		new menu_item(this, n_order);

	// register self in global collection
	A_MENUS[this.n_id] = this;

	// make root level visible
	for (var n_order = 0; n_order < this.a_children.length; n_order++)
		this.a_children[n_order].e_oelement.style.visibility = 'visible';
}

// --------------------------------------------------------------------------------
function menu_collapse (n_id) {
	// cancel item open delay
	clearTimeout(this.o_showtimer);

	// by default collapse to root level
	var n_tolevel = (n_id ? this.a_index[n_id].n_depth : 0);
	
	// hide all items over the level specified
	for (n_id = 0; n_id < this.a_index.length; n_id++) {
		var o_curritem = this.a_index[n_id];
		if (o_curritem.n_depth > n_tolevel && o_curritem.b_visible) {
			o_curritem.e_oelement.style.visibility = 'hidden';
			o_curritem.b_visible = false;
		}
	}

	// reset current item if mouse has gone out of items
	if (!n_id)
		this.o_current = null;
}

// --------------------------------------------------------------------------------
function menu_expand (n_id) {

	// expand only when mouse is over some menu item
	if (this.o_hidetimer)
		return;

	// lookup current item
	var o_item = this.a_index[n_id];

	// close previously opened items
	if (this.o_current && this.o_current.n_depth >= o_item.n_depth)
		this.collapse(o_item.n_id);
	this.o_current = o_item;

	// exit if there are no children to open
	if (!o_item.a_children)
		return;

	// show direct child items
	for (var n_order = 0; n_order < o_item.a_children.length; n_order++) {
		var o_curritem = o_item.a_children[n_order];
		o_curritem.e_oelement.style.visibility = 'visible';
		o_curritem.b_visible = true;
	}
}

// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function menu_onclick (n_id) {
	// don't go anywhere if item has no link defined
	return Boolean(this.a_index[n_id].a_config[1]);
}

// --------------------------------------------------------------------------------
function menu_onmouseout (n_id) {

	// Roll-up the menu iframe;
//	var currentfr=parent.document.getElementById(imenuid);
//	currentfr.height=imenumin;
        // added for IE transparency bug;
//        currentfr.allowTransparency = true;

	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// apply rollout
	o_item.e_oelement.className = o_item.getstyle(0, 0);
	o_item.e_ielement.className = o_item.getstyle(1, 0);
	
	// update status line	
	o_item.upstatus(7);

	// run mouseover timer
	this.o_hidetimer = setTimeout('A_MENUS['+ this.n_id +'].collapse();',
		o_item.getprop('hide_delay'));
}

// --------------------------------------------------------------------------------
function menu_onmouseover (n_id) {

	// Increase iframe depth to accommodate dropdown
//	var currentfr=parent.document.getElementById(imenuid);
//	currentfr.height=imenumax;
        // added for IE transparency bug;
//        currentfr.allowTransparency = true;
	
	// cancel mouseoute menu close and item open delay
	clearTimeout(this.o_hidetimer);
	this.o_hidetimer = null;
	clearTimeout(this.o_showtimer);

	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// update status line	
	o_item.upstatus();

	// apply rollover
	o_item.e_oelement.className = o_item.getstyle(0, 1);
	o_item.e_ielement.className = o_item.getstyle(1, 1);
	
	// if onclick open is set then no more actions required
	if (o_item.getprop('expd_delay') < 0)
		return;

	// run expand timer
	this.o_showtimer = setTimeout('A_MENUS['+ this.n_id +'].expand(' + n_id + ');',
		o_item.getprop('expd_delay'));

}

// --------------------------------------------------------------------------------
// called when mouse button is pressed on menu item
// --------------------------------------------------------------------------------
function menu_onmousedown (n_id) {
	
	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// apply mouse down style
	o_item.e_oelement.className = o_item.getstyle(0, 2);
	o_item.e_ielement.className = o_item.getstyle(1, 2);

	this.expand(n_id);
//	this.items[id].switch_style('onmousedown');
}


// --------------------------------------------------------------------------------
// menu item Class
function menu_item (o_parent, n_order) {

	// store parameters passed to the constructor
	this.n_depth  = o_parent.n_depth + 1;
	this.a_config = o_parent.a_config[n_order + (this.n_depth ? 3 : 0)];

	// return if required parameters are missing
	if (!this.a_config) return;

	// store info from parent item
	this.o_root    = o_parent.o_root;
	this.o_parent  = o_parent;
	this.n_order   = n_order;

	// register in global and parent's collections
	this.n_id = this.o_root.a_index.length;
	this.o_root.a_index[this.n_id] = this;
	o_parent.a_children[n_order] = this;

	// calculate item's coordinates
	var o_root = this.o_root,
		a_tpl  = this.o_root.a_tpl;

	// assign methods
	this.getprop  = mitem_getprop;
	this.getstyle = mitem_getstyle;
	this.upstatus = mitem_upstatus;

	this.n_x = n_order
		? o_parent.a_children[n_order - 1].n_x + this.getprop('left')
		: o_parent.n_x + this.getprop('block_left');

	this.n_y = n_order
		? o_parent.a_children[n_order - 1].n_y + this.getprop('top')
		: o_parent.n_y + this.getprop('block_top');

	// generate item's HMTL
	document.write (
		'<a id="e' + o_root.n_id + '_'
			+ this.n_id +'o" class="' + this.getstyle(0, 0) + '" href="' + this.a_config[1] + '"'
			+ (this.a_config[2] && this.a_config[2]['tw'] ? ' target="'
			+ this.a_config[2]['tw'] + '"' : '')
			+ (this.a_config[2] && this.a_config[2]['tt'] ? ' title="'
			+ this.a_config[2]['tt'] + '"' : '') + ' style="position: absolute; top: '
			+ this.n_y + 'px; left: ' + this.n_x + 'px; width: '
			+ this.getprop('width') + 'px; height: '
			+ this.getprop('height') + 'px; visibility: hidden;'
			+' z-index: ' + this.n_depth + ';" '
			+ 'onclick="return A_MENUS[' + o_root.n_id + '].onclick('
			+ this.n_id + ');" onmouseout="A_MENUS[' + o_root.n_id + '].onmouseout('
			+ this.n_id + ');" onmouseover="A_MENUS[' + o_root.n_id + '].onmouseover('
			+ this.n_id + ');" onmousedown="A_MENUS[' + o_root.n_id + '].onmousedown('
			+ this.n_id + ');"><div  id="e' + o_root.n_id + '_'
			+ this.n_id +'i" class="' + this.getstyle(1, 0) + '">'
			+ this.a_config[0] + "</div></a>\n"
		);
	this.e_ielement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'i');
	this.e_oelement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'o');

	this.b_visible = !this.n_depth;

	// no more initialization if leaf
	if (this.a_config.length < 4)
		return;

	// node specific methods and properties
	this.a_children = [];

	// init downline recursively
	for (var n_order = 0; n_order < this.a_config.length - 3; n_order++)
		new menu_item(this, n_order);
}

// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function mitem_getprop (s_key) {

	// check if value is defined for current level
	var s_value = null,
		a_level = this.o_root.a_tpl[this.n_depth];

	// return value if explicitly defined
	if (a_level)
		s_value = a_level[s_key];

	// request recursively from parent levels if not defined
	return (s_value == null ? this.o_parent.getprop(s_key) : s_value);
}
// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function mitem_getstyle (n_pos, n_state) {

	var a_css = this.getprop('css');
	var a_oclass = a_css[n_pos ? 'inner' : 'outer'];

	// same class for all states	
	if (typeof(a_oclass) == 'string')
		return a_oclass;

	// inherit class from previous state if not explicitly defined
	for (var n_currst = n_state; n_currst >= 0; n_currst--)
		if (a_oclass[n_currst])
			return a_oclass[n_currst];
}

// ------------------------------------------------------------------------------------------
// updates status bar message of the browser
// ------------------------------------------------------------------------------------------
function mitem_upstatus (b_clear) {
	window.setTimeout("window.status=unescape('" + (b_clear
		? ''
		: (this.a_config[2] && this.a_config[2]['sb']
			? escape(this.a_config[2]['sb'])
			: escape(this.a_config[0]) + (this.a_config[1]
				? ' ('+ escape(this.a_config[1]) + ')'
				: ''))) + "')", 10);
}

// --------------------------------------------------------------------------------
// end menu main prog

// Menu parameters

var MENU_POS = [{
	// item sizes
	'height': 24,
	'width': 130,
	// menu block offset from the origin:
	//	for root level origin is upper left corner of the page
	//	for other levels origin is upper left corner of parent item
	'block_top': 101,
	'block_left': 200,
	// offsets between items of the same level
	'top': 0,
	'left': 131,
	// time in milliseconds before menu is hidden after cursor has gone out
	// of any items
	'hide_delay': 200,
	'expd_delay': 200,
	'css' : {
		'outer' : ['m0l0oout', 'm0l0oover'],
		'inner' : ['m0l0iout', 'm0l0iover']
	}
},{
	'height': 24,
	'width': 170,
	'block_top': 25,
	'block_left': 0,
	'top': 23,
	'left': 0,
	'css' : {
		'outer' : ['m0l1oout', 'm0l1oover'],
		'inner' : ['m0l1iout', 'm0l1iover']
	}
},{
	'block_top': 5,
	'block_left': 160
}
]

// end menu parameters 


// tree menu code: ;
// **************************************************************************************;

function tree (a_items, a_template) {

	this.a_tpl      = a_template;
	this.a_config   = a_items;
	this.o_root     = this;
	this.a_index    = [];
	this.o_selected = null;
	this.n_depth    = -1;
	
	var o_icone = new Image(),
		o_iconl = new Image();
	o_icone.src = a_template['icon_e'];
	o_iconl.src = a_template['icon_l'];
	a_template['im_e'] = o_icone;
	a_template['im_l'] = o_iconl;
	for (var i = 0; i < 64; i++)
		if (a_template['icon_' + i]) {
			var o_icon = new Image();
			a_template['im_' + i] = o_icon;
			o_icon.src = a_template['icon_' + i];
		}
	
	this.toggle = function (n_id) {	var o_item = this.a_index[n_id]; o_item.open(o_item.b_opened) };
	this.select = function (n_id) { return this.a_index[n_id].select(); };
	this.mout   = function (n_id) { this.a_index[n_id].upstatus(true) };
	this.mover  = function (n_id) { this.a_index[n_id].upstatus() };

	this.a_children = [];
	for (var i = 0; i < a_items.length; i++)
		new tree_item(this, i);

	this.n_id = trees.length;
	trees[this.n_id] = this;
	
	for (var i = 0; i < this.a_children.length; i++) {
		document.write(this.a_children[i].init());
		this.a_children[i].open();
	}
}
function tree_item (o_parent, n_order) {

	this.n_depth  = o_parent.n_depth + 1;
	this.a_config = o_parent.a_config[n_order + (this.n_depth ? 2 : 0)];
	if (!this.a_config) return;

	this.o_root    = o_parent.o_root;
	this.o_parent  = o_parent;
	this.n_order   = n_order;
	this.b_opened  = !this.n_depth;

	this.n_id = this.o_root.a_index.length;
	this.o_root.a_index[this.n_id] = this;
	o_parent.a_children[n_order] = this;

	this.a_children = [];
	for (var i = 0; i < this.a_config.length - 2; i++)
		new tree_item(this, i);

	this.get_icon = item_get_icon;
	this.open     = item_open;
	this.select   = item_select;
	this.init     = item_init;
	this.upstatus = item_upstatus;
	this.is_last  = function () { return this.n_order == this.o_parent.a_children.length - 1 };
}

function item_open (b_close) {
	var o_idiv = get_element('i_div' + this.o_root.n_id + '_' + this.n_id);
	if (!o_idiv) return;
	
	if (!o_idiv.innerHTML) {
		var a_children = [];
		for (var i = 0; i < this.a_children.length; i++)
			a_children[i]= this.a_children[i].init();
		o_idiv.innerHTML = a_children.join('');
	}
	o_idiv.style.display = (b_close ? 'none' : 'block');
	
	this.b_opened = !b_close;
	var o_jicon = document.images['j_img' + this.o_root.n_id + '_' + this.n_id],
		o_iicon = document.images['i_img' + this.o_root.n_id + '_' + this.n_id];
	if (o_jicon) o_jicon.src = this.get_icon(true);
	if (o_iicon) o_iicon.src = this.get_icon();
	this.upstatus();
}

function item_select (b_deselect) {
// seems to concern submenu headers
	if (!b_deselect) {
		var o_olditem = this.o_root.o_selected;
		this.o_root.o_selected = this;
		if (o_olditem) o_olditem.select(true);
	}
	var o_iicon = document.images['i_img' + this.o_root.n_id + '_' + this.n_id];
	if (o_iicon) o_iicon.src = this.get_icon();
	get_element('i_txt' + this.o_root.n_id + '_' + this.n_id).style.fontWeight = b_deselect ? 'normal' : 'bold';
	
	this.upstatus();
	return Boolean(this.a_config[1]);
}

function item_upstatus (b_clear) {
	window.setTimeout('window.status="' + (b_clear ? '' : this.a_config[0] + (this.a_config[1] ? ' ('+ this.a_config[1] + ')' : '')) + '"', 10);
}

function item_init () {
	var a_offset = [],
		o_current_item = this.o_parent;
	for (var i = this.n_depth; i > 1; i--) {
		a_offset[i] = '<img src="' + this.o_root.a_tpl[o_current_item.is_last() ? 'icon_e' : 'icon_l'] + '" border="0" align="absbottom">';
		o_current_item = o_current_item.o_parent;
	}
// iwrc mod to open offsite links in new window  	
    thistarget='_self';
    relative_link=true;
//    thisicon='icon/offsite.gif' ;
    if(typeof(this.a_config[1]) == 'string') {
      thisurl=this.a_config[1]; 
      if (thisurl.indexOf('//')>0) {
    	thistarget = this.o_root.a_tpl['target'];
        relative_link=false;
      }
	}
    if (relative_link) {
	return '<table cellpadding="0" cellspacing="0" border="0"><tr><td nowrap>' + (this.n_depth ? a_offset.join('') + (this.a_children.length
		? '<a href="javascript: trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id + ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')"><img src="' + this.get_icon(true) + '" border="0" align="absbottom" name="j_img' + this.o_root.n_id + '_' + this.n_id + '"></a>'
		: '<img src="' + this.get_icon(true) + '" border="0" align="absbottom">') : '') 
		+ '<a href="' + this.a_config[1] + '" target="' + thistarget + '" onclick="return trees[' + this.o_root.n_id + '].select(' + this.n_id + ')" ondblclick="trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id + ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')" class="t' + this.o_root.n_id + 'i" id="i_txt' + this.o_root.n_id + '_' + this.n_id + '"><img src="' + this.get_icon() + '" border="0" align="absbottom" name="i_img' + this.o_root.n_id + '_' + this.n_id + '" class="t' + this.o_root.n_id + 'im">' + this.a_config[0] + '</a></td></tr></table>' + (this.a_children.length ? '<div id="i_div' + this.o_root.n_id + '_' + this.n_id + '" style="display:none"></div>' : '');
    } else {
	return '<table cellpadding="0" cellspacing="0" border="0"><tr><td nowrap>' + (this.n_depth ? a_offset.join('') + (this.a_children.length
		? '<a href="javascript: trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id + ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')"><img src="' + this.get_icon(true) + '" border="0" align="absbottom" name="j_img' + this.o_root.n_id + '_' + this.n_id + '"></a>'
		: '<img src="' + this.get_icon(true) + '" border="0" align="absbottom">') : '') 
		+ '<a href="' + this.a_config[1] + '" target="' + thistarget + '" onclick="return trees[' + this.o_root.n_id + '].select(' + this.n_id + ')" ondblclick="trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id + ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')" class="t' + this.o_root.n_id + 'i" id="i_txt' + this.o_root.n_id + '_' + this.n_id + '"><img src="' + 'icon/offsite.gif' + '" border="0" align="absbottom" name="i_img' + this.o_root.n_id + '_' + this.n_id + '" class="t' + this.o_root.n_id + 'im">' + this.a_config[0] + '</a></td></tr></table>' + (this.a_children.length ? '<div id="i_div' + this.o_root.n_id + '_' + this.n_id + '" style="display:none"></div>' : '');
    }

}

function item_get_icon (b_junction) {
	return this.o_root.a_tpl['icon_' + ((this.n_depth ? 0 : 32) + (this.a_children.length ? 16 : 0) + (this.a_children.length && this.b_opened ? 8 : 0) + (!b_junction && this.o_root.o_selected == this ? 4 : 0) + (b_junction ? 2 : 0) + (b_junction && this.is_last() ? 1 : 0))];
}

var trees = [];
get_element = document.all ?
	function (s_id) { return document.all[s_id] } :
	function (s_id) { return document.getElementById(s_id) };

// tree menu settings: 

/*
	Feel free to use your custom icons for the tree. Make sure they are all of the same size.
	User icons collections are welcome, we'll publish them giving all regards.
*/

var TREE_TPL = {
	'target'  : '_blank',	// name of the frame links will be opened in
							// other possible values are: _blank, _parent, _search, _self and _top

	'icon_e'  : 'icon/empty.gif', // empty image
	'icon_l'  : 'icon/empty.gif',  // vertical line
	
        'icon_32' : 'icon/base.gif',   // root leaf icon normal
        'icon_36' : 'icon/base.gif',   // root leaf icon selected
	
	'icon_48' : 'icon/folder.gif',   // root icon normal
	'icon_52' : 'icon/foldersel.gif',   // root icon selected
	'icon_56' : 'icon/folder.gif',   // root icon opened
	'icon_60' : 'icon/foldersel.gif',   // root icon selected
	
	'icon_16' : 'icon/folder.gif', // node icon normal
	'icon_20' : 'icon/foldersel.gif', // node icon selected
	'icon_24' : 'icon/folderopen.gif', // node icon opened
	'icon_28' : 'icon/foldersel.gif', // node icon selected opened

	'icon_0'  : 'icon/page.gif', // leaf icon normal
	'icon_4'  : 'icon/pagesel.gif', // leaf icon selected
	
	'icon_2'  : 'icon/empty.gif', // junction for leaf
	'icon_3'  : 'icon/empty.gif',       // junction for last leaf
	'icon_18' : 'icon/plus.gif', // junction for closed node
	'icon_19' : 'icon/plus.gif',       // junction for last closed node
	'icon_26' : 'icon/minus.gif',// junction for opened node
	'icon_27' : 'icon/minus.gif'       // junction for last opended node
};

/* Table Modifier */

function tigra_tables (
		str_tableid, // table id (req.)
		num_header_offset, // how many rows to skip before applying effects at the begining (opt.)
		num_footer_offset, // how many rows to skip at the bottom of the table (opt.)
		str_odd_color, // background color for odd rows (opt.)
		str_even_color, // background color for even rows (opt.)
		str_mover_color, // background color for rows with mouse over (opt.)
		str_onclick_color // background color for marked rows (opt.)
	) {

	// validate required parameters
	if (!str_tableid) return alert ("No table(s) ID specified in parameters");
	var obj_tables = (document.all ? document.all[str_tableid] : document.getElementById(str_tableid));
	if (!obj_tables) return alert ("Can't find table(s) with specified ID (" + str_tableid + ")");

	// set defaults for optional parameters
	var col_config = [];
	col_config.header_offset = (num_header_offset ? num_header_offset : 0);
	col_config.footer_offset = (num_footer_offset ? num_footer_offset : 0);
	col_config.odd_color = (str_odd_color ? str_odd_color : '#ffffff');
	col_config.even_color = (str_even_color ? str_even_color : '#dbeaf5');
	col_config.mover_color = (str_mover_color ? str_mover_color : '#6699cc');
	col_config.onclick_color = (str_onclick_color ? str_onclick_color : '#4C7DAB');
	
	// init multiple tables with same ID
	if (obj_tables.length)
		for (var i = 0; i < obj_tables.length; i++)
			tt_init_table(obj_tables[i], col_config);
	// init single table
	else
		tt_init_table(obj_tables, col_config);
}

function tt_init_table (obj_table, col_config) {
	var col_lconfig = [],
		col_trs = obj_table.rows;
	if (!col_trs) return;
	for (var i = col_config.header_offset; i < col_trs.length - col_config.footer_offset; i++) {
		col_trs[i].config = col_config;
		col_trs[i].lconfig = col_lconfig;
		col_trs[i].set_color = tt_set_color;
		col_trs[i].onmouseover = tt_mover; 
		col_trs[i].onmouseout = tt_mout;
		col_trs[i].onmousedown = tt_onclick;
		col_trs[i].order = (i - col_config.header_offset) % 2;
		col_trs[i].onmouseout();
	}
}
function tt_set_color(str_color) {
	this.style.backgroundColor = str_color;
}

// event handlers
function tt_mover () {
	if (this.lconfig.clicked != this)
		this.set_color(this.config.mover_color);
}
function tt_mout () {
	if (this.lconfig.clicked != this)
		this.set_color(this.order ? this.config.odd_color : this.config.even_color);
}
function tt_onclick () {
	if (this.lconfig.clicked == this) {
		this.lconfig.clicked = null;
		this.onmouseover();
	}
	else {
		var last_clicked = this.lconfig.clicked;
		this.lconfig.clicked = this;
		if (last_clicked) last_clicked.onmouseout();
		this.set_color(this.config.onclick_color);
	}
}

/* ----------------- */