//------------------------------------------
// Invision Power Board v2.0
// Global JS File
// (c) 2003 Invision Power Services, Inc.
//
// http://www.invisionboard.com
//------------------------------------------


function confirm_report() {
	return confirm("REPORT BUTTON - USAGE NOTICE - READ CAREFULLY!\n\nThe Report button is reserved for reporting extremely abusive/offensive posts only.\n\nThis will email all moderators and admins and bring their attention to this post.\nIf this was not your intention or if you accidentally clicked this button, please\nclick Cancel now.\n\nIf you would like to report forum rules violations or other problem posts, please\nsend a Private Message to an administrator or moderator.\n\nFor more information regarding appropriate uses of the Report button, please\nsee the post in the Announcements forum.");
}


//==========================================
// Set up
//==========================================

var input_red      = 'input-warn';
var input_green    = 'input-ok';
var input_ok_box   = 'input-ok-content';
var input_warn_box = 'input-warn-content';

var img_blank      = 'blank.gif';
var img_tick       = 'aff_tick.gif';
var img_cross      = 'aff_cross.gif';

// Sniffer based on http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html

var uagent    = navigator.userAgent.toLowerCase();
var is_safari = ( (uagent.indexOf('safari') != -1) || (navigator.vendor == "Apple Computer, Inc.") );
var is_opera  = (uagent.indexOf('opera') != -1);
var is_webtv  = (uagent.indexOf('webtv') != -1);
var is_ie     = ( (uagent.indexOf('msie') != -1) && (!is_opera) && (!is_safari) && (!is_webtv) );
var is_ie4    = ( (is_ie) && (uagent.indexOf("msie 4.") != -1) );
var is_moz    = ( (navigator.product == 'Gecko')  && (!is_opera) && (!is_webtv) && (!is_safari) );
var is_ns     = ( (uagent.indexOf('compatible') == -1) && (uagent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_safari) );
var is_ns4    = ( (is_ns) && (parseInt(navigator.appVersion) == 4) );
var is_kon    = (uagent.indexOf('konqueror') != -1);

var is_win    =  ( (uagent.indexOf("win") != -1) || (uagent.indexOf("16bit") !=- 1) );
var is_mac    = ( (uagent.indexOf("mac") != -1) || (navigator.vendor == "Apple Computer, Inc.") );
var ua_vers   = parseInt(navigator.appVersion);

var ipb_pages_shown = 0;
var ipb_pages_array = new Array();

/*-------------------------------------------------------------------------*/
// DST Auto correction
/*-------------------------------------------------------------------------*/

function global_dst_check( tzo, dst )
{
	var thisoffset = tzo + dst;
	var dstoffset  = new Date().getTimezoneOffset() / 60;
	var dstset     = 0;
	var url        = ipb_var_base_url + 'act=xmlout&do=dst-autocorrection&md5check=' + ipb_md5_check;
	
	if ( Math.abs( thisoffset + dstoffset ) == 1 )
	{
		try
		{
			//----------------------------------
			// Fancy first...
			//----------------------------------
			
			xml_dst_set( url + '&xml=1' );
			dstset = 1;
		}
		catch(e)
		{
			dstset = 0;
		}
		
		//----------------------------------
		// No fancy?
		//----------------------------------
		
		if ( dstset == 0 )
		{
			window.location = url;
		}
	}
}

/*-------------------------------------------------------------------------*/
// Get cookie
/*-------------------------------------------------------------------------*/

function my_getcookie( name )
{
	cname = ipb_var_cookieid + name + '=';
	cpos  = document.cookie.indexOf( cname );
	
	if ( cpos != -1 )
	{
		cstart = cpos + cname.length;
		cend   = document.cookie.indexOf(";", cstart);
		
		if (cend == -1)
		{
			cend = document.cookie.length;
		}
		
		return unescape( document.cookie.substring(cstart, cend) );
	}
	
	return null;
}

/*-------------------------------------------------------------------------*/
// Set cookie
/*-------------------------------------------------------------------------*/

function my_setcookie( name, value, sticky )
{
	expire = "";
	domain = "";
	path   = "/";
	
	if ( sticky )
	{
		expire = "; expires=Wed, 1 Jan 2020 00:00:00 GMT";
	}
	
	if ( ipb_var_cookie_domain != "" )
	{
		domain = '; domain=' + ipb_var_cookie_domain;
	}
	
	if ( ipb_var_cookie_path != "" )
	{
		path = ipb_var_cookie_path;
	}
	
	document.cookie = ipb_var_cookieid + name + "=" + value + "; path=" + path + expire + domain + ';';
}

/*-------------------------------------------------------------------------*/
// Lang replace
/*-------------------------------------------------------------------------*/

function lang_build_string()
{
	if ( ! arguments.length || ! arguments )
	{
		return;
	}
	
	var string = arguments[0];
	
	for( var i = 1 ; i < arguments.length ; i++ )
	{
		var match  = new RegExp('<%' + i + '>', 'gi');
		string = string.replace( match, arguments[i] );
	}
	
	return string;
}

/*-------------------------------------------------------------------------*/
// Pop up MyAssistant window
/*-------------------------------------------------------------------------*/

function buddy_pop()
{
	var not_loaded_yet = 0;
	
	if ( use_enhanced_js )
	{
		try
		{
			xml_myassistant_init();
			not_loaded_yet = 1;
		}
		catch( e )
		{
			//alert(e);
			not_loaded_yet = 0;
		}
	}
	
	if ( ! not_loaded_yet )
	{
		ipb_var_base_url = ipb_var_base_url.replace( '&amp;', '&' );
		window.open( ipb_var_base_url + 'act=buddy','BrowserBuddy','width=250,height=500,resizable=yes,scrollbars=yes');
	}
}

/*-------------------------------------------------------------------------*/
// Multi Page jumps
/*-------------------------------------------------------------------------*/

function do_multi_page_jump( pages_id )
{
	var pages       = 1;
	var cur_st      = ipb_var_st;
	var cur_page    = 1;
	var total_posts = ipb_pages_array[ pages_id ][2];
	var per_page    = ipb_pages_array[ pages_id ][1];
	var url_bit     = ipb_pages_array[ pages_id ][0];
	var userPage    = parseInt( document.getElementById( 'st-'+pages_id ).value );
	
	//-----------------------------------
	// Fix up URL BIT
	//-----------------------------------
	
	url_bit = url_bit.replace( new RegExp( "&amp;", "g" ) , '&' );
	
	//-----------------------------------
	// Work out pages
	//-----------------------------------
	
	if ( total_posts % per_page == 0 )
	{
		pages = total_posts / per_page;
	}
	else
	{
		pages = Math.ceil( total_posts / per_page );
	}
	
	if ( cur_st > 0 )
	{
		cur_page = cur_st / per_page; cur_page = cur_page -1;
	}

	if ( userPage > 0  )
	{
		if ( userPage < 1 )     {    userPage = 1;  }
		if ( userPage > pages ) { userPage = pages; }
		if ( userPage == 1 )    {     start = 0;    }
		else { start = (userPage - 1) * per_page; }
		
		window.location = url_bit + "&st=" + start;
		return false;
	}
}

/*-------------------------------------------------------------------------*/
// Hide / Unhide menu elements
/*-------------------------------------------------------------------------*/

function pages_st_focus( pages_id )
{
	document.getElementById( 'st-'+pages_id ).focus();
}

/*-------------------------------------------------------------------------*/
// Hide / Unhide menu elements
/*-------------------------------------------------------------------------*/

function ShowHide(id1, id2)
{
	if (id1 != '') toggleview(id1);
	if (id2 != '') toggleview(id2);
}
	
/*-------------------------------------------------------------------------*/
// Get element by id
/*-------------------------------------------------------------------------*/

function my_getbyid(id)
{
	itm = null;
	
	if (document.getElementById)
	{
		itm = document.getElementById(id);
	}
	else if (document.all)
	{
		itm = document.all[id];
	}
	else if (document.layers)
	{
		itm = document.layers[id];
	}
	
	return itm;
}

/*-------------------------------------------------------------------------*/
// Show/hide toggle
/*-------------------------------------------------------------------------*/

function toggleview(id)
{
	if ( ! id ) return;
	
	if ( itm = my_getbyid(id) )
	{
		if (itm.style.display == "none")
		{
			my_show_div(itm);
		}
		else
		{
			my_hide_div(itm);
		}
	}
}

/*-------------------------------------------------------------------------*/
// Set DIV ID to hide
/*-------------------------------------------------------------------------*/

function my_hide_div(itm)
{
	if ( ! itm ) return;
	
	itm.style.display = "none";
}

/*-------------------------------------------------------------------------*/
// Set DIV ID to show
/*-------------------------------------------------------------------------*/

function my_show_div(itm)
{
	if ( ! itm ) return;
	
	itm.style.display = "";
}

/*-------------------------------------------------------------------------*/
// Change cell colour
/*-------------------------------------------------------------------------*/

function change_cell_color( id, cl )
{
	itm = my_getbyid(id);
	
	if ( itm )
	{
		itm.className = cl;
	}
}

/*-------------------------------------------------------------------------*/
// Toggle category
/*-------------------------------------------------------------------------*/

function togglecategory( fid, add )
{
	saved = new Array();
	clean = new Array();

	//-----------------------------------
	// Get any saved info
	//-----------------------------------
	
	if ( tmp = my_getcookie('collapseprefs') )
	{
		saved = tmp.split(",");
	}
	
	//-----------------------------------
	// Remove bit if exists
	//-----------------------------------
	
	for( i = 0 ; i < saved.length; i++ )
	{
		if ( saved[i] != fid && saved[i] != "" )
		{
			clean[clean.length] = saved[i];
		}
	}
	
	//-----------------------------------
	// Add?
	//-----------------------------------
	
	if ( add )
	{
		clean[ clean.length ] = fid;
		my_show_div( my_getbyid( 'fc_'+fid  ) );
		my_hide_div( my_getbyid( 'fo_'+fid  ) );
	}
	else
	{
		my_show_div( my_getbyid( 'fo_'+fid  ) );
		my_hide_div( my_getbyid( 'fc_'+fid  ) );
	}
	
	my_setcookie( 'collapseprefs', clean.join(','), 1 );
}

/*-------------------------------------------------------------------------*/
// locationjump
/*-------------------------------------------------------------------------*/

function locationjump(url)
{
	window.location = ipb_var_base_url + url;
}

/*-------------------------------------------------------------------------*/
// CHOOSE SKIN
/*-------------------------------------------------------------------------*/

function chooseskin(obj)
{
	choosebox = obj.options[obj.selectedIndex].value;
	skinpicker(choosebox);
}

function skinpicker(choosebox)
{
	extravars = '';
	
	if ( choosebox != -1 && ! isNaN( choosebox ) )
	{
		if ( document.skinselectorbox.skinurlbits.value )
		{
			extravars = '&' + document.skinselectorbox.skinurlbits.value;
			
			//----------------------------------
			// Strip out old skin change stuff
			// setskin=1&skinid=2
			//----------------------------------
			
			extravars = extravars.replace( /setskin=\d{1,}/g, ''  );
			extravars = extravars.replace( /skinid=\d{1,}/g , ''  );
			extravars = extravars.replace( /&{1,}/g         , '&' );
			extravars = extravars.replace( /s=&/g           , ''  );
		}
		
		my_setcookie( 'skinid', choosebox, 1);
				
		locationjump( 'setskin=1&skinid=' + choosebox + extravars );
	}
}

/*-------------------------------------------------------------------------*/
// CHOOSE LANG
/*-------------------------------------------------------------------------*/

function chooselang(obj)
{
	choosebox = obj.options[obj.selectedIndex].value;
	extravars = '';
	
	if ( document.langselectorbox.langurlbits.value )
	{
		extravars = '&' + document.langselectorbox.langurlbits.value;

		//----------------------------------
		// Strip out old skin change stuff
		// setskin=1&skinid=2
		//----------------------------------
			
		extravars = extravars.replace( /setlanguage=\d{1,}/g, ''  );
		extravars = extravars.replace( /cal_id=&/g, ''  );
		extravars = extravars.replace( /langid=\w{1,}/g , ''  );
		extravars = extravars.replace( /&{1,}/g         , '&' );
		extravars = extravars.replace( /s=&/g           , ''  );
	}
	
	locationjump( 'setlanguage=1&langid=' + choosebox + extravars );
}

/*-------------------------------------------------------------------------*/
// pop up window
/*-------------------------------------------------------------------------*/

function PopUp(url, name, width,height,center,resize,scroll,posleft,postop)
{
	showx = "";
	showy = "";
	
	if (posleft != 0) { X = posleft }
	if (postop  != 0) { Y = postop  }
	
	if (!scroll) { scroll = 1 }
	if (!resize) { resize = 1 }
	
	if ((parseInt (navigator.appVersion) >= 4 ) && (center))
	{
		X = (screen.width  - width ) / 2;
		Y = (screen.height - height) / 2;
	}
	
	if ( X > 0 )
	{
		showx = ',left='+X;
	}
	
	if ( Y > 0 )
	{
		showy = ',top='+Y;
	}
	
	if (scroll != 0) { scroll = 1 }
	
	var Win = window.open( url, name, 'width='+width+',height='+height+ showx + showy + ',resizable='+resize+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no');
}

/*-------------------------------------------------------------------------*/
// Array: Get stack size
/*-------------------------------------------------------------------------*/

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

/*-------------------------------------------------------------------------*/
// Array: Push stack
/*-------------------------------------------------------------------------*/

function pushstack(thearray, newval)
{
	arraysize = stacksize(thearray);
	thearray[arraysize] = newval;
}

/*-------------------------------------------------------------------------*/
// Array: Pop stack
/*-------------------------------------------------------------------------*/

function popstack(thearray)
{
	arraysize = stacksize(thearray);
	theval = thearray[arraysize - 1];
	delete thearray[arraysize - 1];
	return theval;
}

/*-------------------------------------------------------------------------*/
// Converts "safe" innerHTML back to normal template
/*-------------------------------------------------------------------------*/

function innerhtml_template_to_html( t )
{
	t = t.replace( /&lt;%(\d+?)&gt;/ig, "<%$1>" );
	t = t.replace( /%3C%(\d+?)%3E/ig  , "<%$1>" );
	return t;
}

/*-------------------------------------------------------------------------*/
// Global freeze events
/*-------------------------------------------------------------------------*/

function global_cancel_bubble(obj, extra)
{
	if ( ! obj || is_ie)
	{
		if ( extra )
		{
			window.event.returnValue = false;
		}
		
		window.event.cancelBubble = true;
		
		return window.event;
	}
	else
	{
		obj.stopPropagation();
		
		if ( extra )
		{
			obj.preventDefault();
		}
		
		return obj;
	}
}

/*-------------------------------------------------------------------------*/
// Get left posititon of object
/*-------------------------------------------------------------------------*/

function _get_obj_leftpos(obj)
{
	var left = obj.offsetLeft;
	
	while( (obj = obj.offsetParent) != null )
	{
		left += obj.offsetLeft;
	}
	
	return left;
}

/*-------------------------------------------------------------------------*/
// Get top position of object
/*-------------------------------------------------------------------------*/

function _get_obj_toppos(obj)
{
	var top = obj.offsetTop;
	
	while( (obj = obj.offsetParent) != null )
	{
		top += obj.offsetTop;
	}
	
	return top;
}

/*-------------------------------------------------------------------------*/
// Center a div on the screen
/*-------------------------------------------------------------------------*/

function center_div()
{
	this.divname = '';
	this.divobj  = '';
}

/*-------------------------------------------------------------------------*/
// Main run function
/*-------------------------------------------------------------------------*/

center_div.prototype.move_div = function()
{
	try
	{
		this.divobj = document.getElementById( this.divname );
	}
	catch(e)
	{
		return;
	}
	
	//----------------------------------
	// Figure width and height
	//----------------------------------
	
	var my_width  = 0;
	var my_height = 0;
	
	if ( typeof( window.innerWidth ) == 'number' )
	{
		//----------------------------------
		// Non IE
		//----------------------------------
	  
		my_width  = window.innerWidth;
		my_height = window.innerHeight;
	}
	else if ( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) )
	{
		//----------------------------------
		// IE 6+
		//----------------------------------
		
		my_width  = document.documentElement.clientWidth;
		my_height = document.documentElement.clientHeight;
	}
	else if ( document.body && ( document.body.clientWidth || document.body.clientHeight ) )
	{
		//----------------------------------
		// Old IE
		//----------------------------------
		
		my_width  = document.body.clientWidth;
		my_height = document.body.clientHeight;
	}
	
	//----------------------------------
	// Show...
	//----------------------------------
	
	this.divobj.style.position = 'absolute';
	this.divobj.style.display  = 'block';
	this.divobj.style.zIndex   = 99;
	
	//----------------------------------
	// Get div height && width
	//----------------------------------
	
	var divheight = parseInt( this.divobj.style.Height );
	var divwidth  = parseInt( this.divobj.style.Width );
	
	divheight = divheight ? divheight : 200;
	divwidth  = divwidth  ? divwidth  : 400;
	
	//----------------------------------
	// Get current scroll offset
	//----------------------------------
	
	var scrolly = this.getYscroll();
	
	//----------------------------------
	// Finalize...
	//----------------------------------
	
	var setX = ( my_width  - divwidth  ) / 2;
	var setY = ( my_height - divheight ) / 2 + scrolly;
	
	setX = ( setX < 0 ) ? 0 : setX;
	setY = ( setY < 0 ) ? 0 : setY;
	
	this.divobj.style.left = setX + "px";
	this.divobj.style.top  = setY + "px";
}

/*-------------------------------------------------------------------------*/
// Hide div
/*-------------------------------------------------------------------------*/

center_div.prototype.hide_div = function()
{
	try
	{
		if ( ! this.divobj )
		{
			return;
		}
		else
		{
			this.divobj.style.display  = 'none';
		}
	}
	catch(e)
	{
		return;
	}
}

/*-------------------------------------------------------------------------*/
// Get YScroll
/*-------------------------------------------------------------------------*/

center_div.prototype.getYscroll = function()
{
	var scrollY = 0;
	
	if ( document.documentElement && document.documentElement.scrollTop )
	{
		scrollY = document.documentElement.scrollTop;
	}
	else if ( document.body && document.body.scrollTop )
	{
		scrollY = document.body.scrollTop;
	}
	else if ( window.pageYOffset )
	{
		scrollY = window.pageYOffset;
	}
	else if ( window.scrollY )
	{
		scrollY = window.scrollY;
	}
	
	return scrollY;
}