//------------------------------------------
// Invision Power Board 2.1.7
// Global JS File
// (c) 2003 Invision Power Services, Inc.
//
// http://www.ws.ea7.net
//------------------------------------------

//==========================================
// 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;
    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           , ''  );
        }

        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;
}

function toggle_post_opts(m)
{
	var elm =document.getElementById('post_row_opt');
	var visible ='';

	if(m ==0) visible ='none'
	
	if(elm)
	{
		var tbl =elm.parentNode;
		
		for(i =0; i <tbl.rows.length; ++i)
		{
			if(tbl.rows[i].id =='post_row_opt')
			{
				tbl.rows[i].style.display =visible;
			}
		}
	
		var show_ref ='none';
		var hide_ref ='none';

		if(m ==1)
			hide_ref ='';
		
		if(m ==0)
			show_ref ='';

		document.getElementById('post_show_opts').style.display =show_ref;
		document.getElementById('post_hide_opts').style.display =hide_ref;
	}
}

function show_spoiler( evt )
{
	var trg;

	if(evt.target)
		trg =evt.target;

	if(evt.srcElement)
		trg =evt.srcElement;
	
			
	var parent_div =trg;
	while(parent_div.className !='spoiler') parent_div =parent_div.parentNode;
	
	var plus_button_display  ='none';
	var minus_button_display ='none';
	var content_display      ='none';

	if(trg.parentNode.id =='plus_button')
	{
		minus_button_display ='block';
		content_display			 ='block';
	}

	if(trg.parentNode.id =='minus_button')
	{
		plus_button_display ='block';
	}
	
	for(i =0; i <parent_div.childNodes.length; ++i)
	{
		if(parent_div.childNodes[i].id =='plus_button')
			parent_div.childNodes[i].style.display =plus_button_display;

		if(parent_div.childNodes[i].id =='minus_button')
			parent_div.childNodes[i].style.display =minus_button_display;

		if(parent_div.childNodes[i].className =='spoiler_content')
			parent_div.childNodes[i].style.display =content_display;
	}
}