/*======================================================================*\
|| #################################################################### ||
|| # vBulletin 3.0.5
|| # ---------------------------------------------------------------- # ||
|| # Copyright ©2000–2005 Jelsoft Enterprises Ltd. All Rights Reserved. ||
|| # This file may not be redistributed in whole or significant part. # ||
|| # ---------------- VBULLETIN IS NOT FREE SOFTWARE ---------------- # ||
|| #                                                                  # ||
|| #################################################################### ||
\*======================================================================*/

// define a few variables that are required
var vbmenu_usepopups = false;
var ignorequotechars = 0;

// #############################################################################
// lets define the browser we have instead of multiple calls throughout the file
var userAgent = navigator.userAgent.toLowerCase();
var is_opera  = (userAgent.indexOf('opera') != -1);
var is_saf    = ((userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == "Apple Computer, Inc."));
var is_webtv  = (userAgent.indexOf('webtv') != -1);
var is_ie     = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4    = ((is_ie) && (userAgent.indexOf("msie 4.") != -1));
var is_moz    = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon    = (userAgent.indexOf('konqueror') != -1);
var is_ns     = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4    = ((is_ns) && (parseInt(navigator.appVersion) == 4));

// catch possible bugs with WebTV and other older browsers
var is_regexp = (window.RegExp) ? true : false;

// #############################################################################
// let's find out what DOM functions we can use
var vbDOMtype = '';
if (document.getElementById)
{
	vbDOMtype = "std";
}
else if (document.all)
{
	vbDOMtype = "ie4";
}
else if (document.layers)
{
	vbDOMtype = "ns4";
}

// make an array to store cached locations of objects called by fetch_object
var vBobjects = new Array();

// #############################################################################
// function to emulate document.getElementById
function fetch_object(idname, forcefetch)
{
	if (forcefetch || typeof(vBobjects[idname]) == "undefined")
	{
		switch (vbDOMtype)
		{
			case "std":
			{
				vBobjects[idname] = document.getElementById(idname);
			}
			break;

			case "ie4":
			{
				vBobjects[idname] = document.all[idname];
			}
			break;

			case "ns4":
			{
				vBobjects[idname] = document.layers[idname];
			}
			break;
		}
	}
	return vBobjects[idname];
}

// #############################################################################
// function to handle the different event models of different browsers
// and prevent event bubbling
function do_an_e(eventobj)
{
	if (!eventobj || is_ie)
	{
		window.event.returnValue = false;
		window.event.cancelBubble = true;
		return window.event;
	}
	else
	{
		eventobj.stopPropagation();
		eventobj.preventDefault();
		return eventobj;
	}
}

// #############################################################################
// function to open a generic window
function openWindow(url, width, height)
{
	var dimensions = "";
	if (width)
	{
		dimensions += ",width=" + width;
	}
	if (height)
	{
		dimensions += ",height=" + height;
	}
	window.open(url, "vBPopup", "statusbar=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes" + dimensions);
	return false;
}



// #############################################################################
// function to register a menu for later initialization
function vbmenu_register(controlid, nowrite, datefield)
{
	if (vbmenu_usepopups)
	{
		vbmenu_doregister(controlid, nowrite, datefield);
	}
}

// #############################################################################
// ############## Main vBulletin Javascript Initialization #####################
// #############################################################################

function vBulletin_init()
{
	if (is_webtv)
	{
		return true;
	}
	var imgs = null;
	switch (vbDOMtype)
	{
		case "std": imgs = document.getElementsByTagName("img"); break;
		case "ie4": imgs = document.all.tags("img");             break;
		default:    imgs = false;                                break;
	}
	if (imgs)
	{
		// set 'title' tags for image elements
		for (var i = 0; i < imgs.length; i++)
		{
			if (!imgs[i].title && imgs[i].alt != "")
			{
				imgs[i].title = imgs[i].alt;
			}
		}
	}

	// init registered menus
	if (vbmenu_usepopups && vbmenu_registered.length > 0)
	{
		for (i in vbmenu_registered)
		{
			vbmenu_init(vbmenu_registered[i]);
		}

		// close all menus on mouse click
		document.onclick = vbmenu_close;
	}
	
	return true;
}

// #############################################################################
// function to initialize active cells
function activecells_init()
{
	// hide this functionality from browsers that break it
	if (is_webtv || is_opera)
	{
		return;
	}
	
	// init active alt color classes
	tds = document.getElementsByTagName("td");
	for (var i = 0; i < tds.length; i++)
	{
		switch (tds[i].className)
		{
			case "alt1Active":
			case "alt2Active":
			{
				tds[i].origclass = tds[i].className;
				tds[i].swapclass = iif(tds[i].className == "alt1Active", "alt2Active", "alt1Active");
				tds[i].onmouseover = activecells_mouseover;
				tds[i].onmouseout = activecells_mouseout;
				tds[i].onclick = activecells_click;
			}
			break;
		}
	}
}