/* $Id: menutool.js,v 1.6 2005/06/01 01:49:16 brad Exp $ */
/** begin menutool functions **/

function Rollover( base_name )
{
	this.name = base_name;
	this.image_dir = "/images";
	this.img = null;

	this.Load = doRollLoad;
	this.Over = doRollNull;
	this.Out = doRollNull;

}

function doRollNull() { ; }

function doRollLoad()
{
	this.img = new Array();
	this.img[0] = new Image();
	this.img[0].src = this.image_dir + "/" + this.name + ".gif";
	this.img[1] = new Image();
	this.img[1].src = this.image_dir + "/" + this.name + "_o.gif";
	this.Over = doRollOver;
	this.Out = doRollOut;
}

function doRollOver()
{
	if( document.images )
	{
		image = document.images[ this.name ];
		image.src = this.img[1].src;
	}
}

function doRollOut()
{
	if( document.images )
	{
		image = document.images[ this.name ];
		image.src = this.img[0].src;
	}
}

function doRollDown()
{
	if( document.images && (this.src3 != '') )
	{
		image = document.images[ this.name ];
		image.src = this.img[2].src;
	}
}

MenuRollovers = Array();
function MenuRollover( base_name, src1, src2, src3 )
{
	this.name = base_name;
	this.img = null;
	this.src1 = src1;
	this.src2 = src2;
	this.src3 = src3;

	if( this.src3 + "" == "undefined" )
	{
		this.src3 = "";
	}

	this.Load = doMenuRollLoad;
	this.Over = doRollNull;
	this.Out = doRollNull;
	this.Down = doRollNull;

	MenuRollovers[ MenuRollovers.length ] = this;
	this.loaded = false;

}

function doMenuRollLoad()
{
	this.img = new Array();
	this.img[0] = new Image();
	this.img[0].src = this.src1;
	this.img[1] = new Image();
	this.img[1].src = this.src2;
	if( this.src3 != "" )
	{
		this.img[2] = new Image();
		this.img[2].src = this.src3;
	}
	this.Over = doRollOver;
	this.Out = doRollOut;
	if( navigator.userAgent.indexOf('Mac') == -1 )
	{
		this.Down = doRollDown;
	}
}

function MenuRollover_OnLoad()
{
	for( i=0; i<MenuRollovers.length; i++ )
	{
		MenuRollovers[i].Load();
	}
	for( i=0; i<FormRollovers.length; i++ )
	{
		FormRollovers[i].Load();
	}
}

FormRollovers = Array();
function FormButton( src1, src2, src3 )
{
	this.img = null;
	this.src1 = src1;
	this.src2 = src2;
	this.src3 = src3;

	this.Load = doMenuRollLoad;
	this.Over = doRollNull;
	this.Out = doRollNull;
	this.Down = doRollNull;

	FormRollovers[ FormRollovers.length ] = this;
}

/* addEvent( element [object], type [string], function_to_call [function], capture_event [bool] ) */
function addEvent(elem, evType, func, useCapture) {
	if(typeof elem.addEventListener != 'undefined') {
		elem.addEventListener(evType, func, useCapture);
		return true;
	} else if( typeof elem.attachEvent != 'undefined' ) { 
		var r = elem.attachEvent("on" + evType, func);
		return r; 
	} else { 
		var onEvt = "on" + evType;
		var elOldEvFuncs = elem[onEvt];
		if( typeof elem[onEvt] != 'function' ) {
			elem[onEvt] = func; 
		} else {
			elem[onEvt] = function() { elOldEvFuncs(); func(); }
		}
	}
}

function addLoadEvent(x) {
	var y = window;
	if(typeof document.addEventListener != 'undefined' && window.addEventListener == 'undefined') {
		y = document;
	}
	addEvent(y,"load",x,false);
}

function addUnLoadEvent(x) {
	var y = window;
	if(typeof document.addEventListener != 'undefined' && window.addEventListener == 'undefined') {
		y = document;
	}
	addEvent(y,"unload",x,false);
}

addLoadEvent(MenuRollover_OnLoad);

/** end menutool functions **/
/** $Id: htmltools.js,v 1.18 2008/10/20 08:17:11 tt Exp $ **/
/** htmltools javascript functions **/

/* stop pressing 'Return' submits forms */
var htmltools_form_focus = -1;
var htmltools_buttons = new Array();
var htmltools_forms = new Array();
function htmltools_onkeypress(e)
{
	var code = (window.Event) ? e.which : event.keyCode;
	j = htmltools_form_focus;
	if(code == "13" && j!=-1 )
	{
		l = htmltools_forms[j].length;
		if( l == 0 )
		{
			return true;
		}
		if( l == 1 )
		{
//			return true; /* enable this to get 'normal' behaviour for forms with 1 button */
		}
		if( typeof g_htmltools_active_combobox == 'object' )
		{
			htmltools_combobox_toggle( g_htmltools_active_combobox );
			return false;
		}
		el = document.getElementById( htmltools_forms[j][l-1] );
		if( el != null && el.nodeName=='INPUT') el.focus();
		return false;
	}
	return true;
}

function htmltools_init_forms()
{
	var frms = document.getElementsByTagName("FORM");

	for( var j=0; j<frms.length; j++ )
	{
		htmltools_forms[j] = new Array();
		for( var i=0; i<htmltools_buttons.length; i++ )
		{
			el = document.getElementById( htmltools_buttons[i] );
			if( el!=null && el.form == frms[j] )
			{
				k = htmltools_forms[j].length;
				htmltools_forms[j][k] = htmltools_buttons[i];
			}
		}
	}
	
	for (var i=0; i<frms.length; i++)
	{
		for( var j=0; j<frms[i].elements.length; j++ )
		{
			switch( frms[i].elements[j].type )
			{
			case "hidden" :
			case "textarea" :
				break;
			default:
				eval( "addOnFocusEvent(frms[" + i + "].elements[" + j + "], function() { htmltools_form_focus=" + i + ";})" );
				frms[i].elements[j].onblur = function() {
					htmltools_form_focus = -1;
				}
			}
		}
	}
	document.onkeypress = htmltools_onkeypress;
		
		el = document.getElementById( "text_1" );
		if( el )
		{
			el.focus();
		}
	
}

function htmltools_register_button( id )
{
	htmltools_buttons[htmltools_buttons.length] = id;
}

function htmltools_checkbox_controller( id1, id2, label, show_class, hide_class )
{
	id1 = document.getElementById( id1 );
	id2 = document.getElementById( id2 );
	label = document.getElementById( label );

	id1.controls = id2;
	id1.labels = label;
	id1.show_class = show_class;
	id1.hide_class = hide_class;
	id1.onclick = function() {
		htmltools_checkbox_controller_onclick( this, this.controls, this.labels, id1.show_class, id1.hide_class );
	}
	id2.checked_last_val = id2.checked;
	id2.checked = (!id1.checked) && id2.checked || (id1.checked && id2.checked);
	id2.disabled = !id1.checked;
	label.className = id1.checked ? show_class:hide_class;
}
	
function htmltools_checkbox_controller_onclick( id1, id2, label, show_class, hide_class )
{
	id2.disabled=!id1.checked;
	if( id1.checked )
	{
		id2.checked=id2.checked_last_val;
	}
	else
	{
		id2.checked_last_val=id2.checked;
		id2.checked=false;
	}
	label.className = (id1.checked ? show_class:hide_class);
}

function addOnFocusEvent(el,func)
{
	var oldonfocus = el.onfocus;
	if( typeof el.onfocus != 'function') {
		el.onfocus = func;
	} else {
		el.onfocus = function() {
			oldonfocus();
			func();
		}
	}
}

addLoadEvent(htmltools_init_forms);

/** end htmltools javascript functions **/
function getAll( el ) { 
	if( el.all ) { 
		return el.all; 
	} else { 
		return el.getElementsByTagName("*"); 
	} 
}

function delClass( el, className )
{
	var regex = new RegExp("\\b"+className+"\\b");
	var s = el.className;
	s = s.replace( regex, '' );
	return el.className = s;
}

/** search document for elements with triggers and initialise them **/
addLoadEvent( function() { triggers( document ) } );

var g_triggers=Array();
var g_trigger_direct = Array();
function trigger(fn,id,args)
{
	g_trigger_direct.push( Array(fn,id,args) );
}

function triggers(el)
{
	var all = getAll(el);
	var regex = new RegExp(/\s+(\w+)((\s+(arg-[\w-]+\b))+|\b)/);
	var args;
// 	g_triggers = Array();
	
		var els = Array();
	for( var i=0, all_length=all.length; i<all_length; i++ ) {
		els.push(all[i]);
	}
	for( var i in els ) {
		if( typeof els[i] == 'undefined' )
			continue;
		// hack around IE's weird split
		var x_class = ' ' + els[i].className.toString().replace( /\s+/,' ' );
		var parts = x_class.split( /\bjs\b/ );
		parts.shift();
		for( var j in parts ) {
			var res = regex.exec(parts[j]);
			if( !res ) {
				continue;
			}
			if( typeof eval( "window." + res[1] ) != 'function' ) {
				continue;
			}
			var k = g_triggers.length;
			eval( "g_triggers[" + k + "] = new " + res[1] + "(" + k + ");" );
			g_triggers[k].init( els[i], res[2].replace( /\s+arg-/g, ',' ).replace( /^,/, '' ) );
			delClass( els[i], 'js' ); // so it doesn't get initialised again!
		}
	}
	
	var target_el;
	els = el.getElementsByTagName('script');
	regex = new RegExp("(\\w+)\\.(\\w+)\\(([^\\)]*)\\)");
	for( var i=0; i<els.length; i++ )
	{
		if( els[i].getAttribute('type') == 'text/x-trigger' )
		{
			if( res = regex.exec(els[i].innerHTML) )
			{
				switch( res[1] )
				{
				case 'next' :
					target_el = els[i].nextSibling;
					while( target_el.nodeName == '#text' )
						target_el = target_el.nextSibling;
					break;
				case 'previous' :
					target_el = els[i].previousSibling;
					while( target_el.nodeName == '#text' )
						target_el = target_el.previousSibling;
					break;
				case 'parent' :
					target_el = els[i].parentNode;
					break;
				default:
					target_el = document.getElementById( res[1] );
					break;
				}
				k = g_triggers.length;
				eval( "g_triggers[" + k + "] = new " + res[2] + "(" + k + ");" );
				g_triggers[k].init( target_el, res[3] );
			}
		}
	}
	
	for( i in g_trigger_direct )
	{
		target_el = document.getElementById( g_trigger_direct[i][1] );
		k = g_triggers.length;
		eval( "g_triggers[" + k + "] = new " + g_trigger_direct[i][0] + "(" + k + ");" );
		g_triggers[k].init( target_el, g_trigger_direct[i][2] );
	}
}
var window_width;
var window_height;
function calc_window_dimensions()
{
	if (self.innerWidth)
	{
		window_width = self.innerWidth;
		window_height = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientWidth)
	{
		window_width = document.documentElement.clientWidth;
		window_height = document.documentElement.clientHeight;
	}
	else if (document.body)
	{
		window_width = document.body.clientWidth;
		window_height = document.body.clientHeight;
	}
}

function roundElementHeight( o )
{
	/* Stop Mozilla from creating a body scrollbar when siblings
	have computed heights with decimal parts.
	offsetHeight is the style.height + borders + paddings; we
	work out the border and padding dimensions by first
	setting the style.height to our target and checking offsetHeight
	again:
		style.height = offsetHeight - border+padding
		-> border+padding = offsetHeight - style.height
	*/
	var tmp;
	var diff;
	o.style.height = '';
	tmp = Math.ceil( o.offsetHeight );
	if( tmp == o.offsetHeight )
	{
		return;
	}
	o.style.height = tmp + 'px';
	diff = o.offsetHeight - tmp;
	tmp -= diff;
	o.style.height = tmp + 'px';
}
function maxheight( trigger_id )
{
	
	this.trigger_id = trigger_id;
	
	this.init = function(el, args) {
		this.el = el;
		this.others = args;
		this.el.trigger = this;
		this.myheight = 0;
		this.redraw(1);
		eval( "addEvent( window, 'resize', function() { g_triggers["+ this.trigger_id +"].redraw(); }, false )" );
	};
	
	this.redraw = function(init) {
		calc_window_dimensions();
		if( this.myheight == window_height )
		{
			return;
		}
		this.myheight = window_height;
		var el_height = window_height;
		var res = this.others.split( /,/ );
		var i=0, screen=(res[0]=='screen');
		
		if (screen )
		{
			i++;
		}
		for( ; i<res.length; i++ )
		{
			if( res[i].match(/\d+/) ) {
				el_height -= parseInt(res[i]);
				continue;
			}
			if( init )
			{
				roundElementHeight(document.getElementById( res[i] ));
			}
			el_height -= document.getElementById( res[i] ).offsetHeight;
		}
		if( screen && init )
		{
			this.min_el_height = this.el.offsetHeight;
		}
		if( screen && this.min_el_height < el_height )
		{
			this.el.style.height = '' + el_height + 'px';
			
		}
		if( !screen )
		{
			this.el.style.height = '' + el_height + 'px';
			this.el.style.overflow = 'auto';
		}
		
		
	};
	
	

}