//------------------------------------------------------------------------------
// IPS XML HTTP REQUEST:: GET NEW POSTS
//------------------------------------------------------------------------------
// Supports Safari, Mozilla 1.3+ (Firefox, etc) and IE 5.5+
// (c) 2005 Invision Power Services, Inc.
// http://www.invisionpower.com
//------------------------------------------------------------------------------

/*--------------------------------------------*/
// INIT VARS
/*--------------------------------------------*/

var gnp_div  = 'get-new-posts_menu';
var msg_div  = 'get-new-msgs_menu';
var mem_div  = 'get-members';
var divobj;
var divopen  = 0;
var xmlobj;

var myass_main;
var myass_loaded   = 0;
var pm_cycle_count = 0;
var search_cache   = {};
var posts_st       = 0;

/*--------------------------------------------*/
// Get NEXT posts link
/*--------------------------------------------*/

function xml_show_new_posts( st )
{
    posts_st = st;
    xml_myassistant_init( 'posts' );
}

/*--------------------------------------------*/
// Load MyASSISTANT!
/*--------------------------------------------*/

function xml_myassistant_init( tab )
{
    myass_main    = document.getElementById( 'get-myassistant' );
    myass_drag    = document.getElementById( 'myass-drag' );
    myass_content = document.getElementById( 'myass-content' );
    
    /*--------------------------------------------*/
    // Main function to do on request
    // Must be defined first!!
    /*--------------------------------------------*/
    
    do_request_function = function()
    {
        //----------------------------------
        // Ignore unless we're ready to go
        //----------------------------------
        
        if ( ! xmlobj.readystate_ready_and_ok() )
        {
            // Could do a little loading graphic here?
            return;
        }
        
        //----------------------------------
        // INIT
        //----------------------------------
        
        var html = xmlobj.xmlhandler.responseText;
        
        //----------------------------------
        // Stop IE showing select boxes over
        // floating div [ 1 ]
        //----------------------------------
        
        if ( is_ie )
        {
             html = "<iframe id='myass-shim' src='javascript;' class='iframshim' scrolling='no' frameborder='0' style='position:absolute; top:0px; left:0px; right:0px; display: none;'></iframe>" + html;
        }
        
        myass_content.innerHTML = html;
        
        //----------------------------------
        // Stop IE showing select boxes over
        // floating div [ 2 ]
        //----------------------------------
        
        if ( is_ie )
        {
            myass_shim               = document.getElementById('myass-shim');
            myass_shim.style.width   = myass_content.offsetWidth;
            myass_shim.style.height  = myass_content.offsetHeight;
            myass_shim.style.zIndex  = myass_content.style.zIndex - 1;
            myass_shim.style.top     = myass_content.style.top;
            myass_shim.style.left    = myass_content.style.left;
            myass_shim.style.display = "block";
        }
    }
    
    xmlobj = new ajax_request();
    xmlobj.onreadystatechange( do_request_function );
    
    //----------------------------------
    // LOAD XML
    //----------------------------------
    
    if ( ! tab )
    {
        xmlobj.process( ipb_var_base_url + 'act=buddy&xml=1' );
    }
    else if ( tab == 'newpms' )
    {
        //----------------------------------
        // Figure out where we are..
        //----------------------------------
        
        var limit_a = 0;
        
        pm_cycle_count++;
        
        if ( pm_cycle_count <= ipb_new_msgs )
        {
            limit_a = pm_cycle_count - 1;
        }
        else
        {
            pm_cycle_count = 1;
        }
        
        xmlobj.process( ipb_var_base_url + 'act=buddy&xml=1&tab=' + tab + '&limit=' + limit_a );

        myass_content.style.width = '399px';
        myass_content.style.overflow = 'auto';
    }
    else if ( tab == 'posts' )
    {
        xmlobj.process( ipb_var_base_url + 'act=buddy&xml=1&tab=' + tab + '&st=' + posts_st );
    }
    else
    {
        xmlobj.process( ipb_var_base_url + 'act=buddy&xml=1&tab=' + tab);
    }
      
      myass_main.style.position = 'absolute';
    myass_main.style.display  = 'block';
    myass_main.style.zIndex   = 99;
    
    //----------------------------------
    // Not loaded? INIT
    //----------------------------------
    
    if ( ! myass_loaded )
    {
        //----------------------------------
        // 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;
        }
        
        //----------------------------------
        // Get div height && width
        //----------------------------------
        
        var divheight = parseInt( myass_main.style.Height );
        var divwidth  = parseInt( myass_main.style.Width );
        
        divheight = divheight ? divheight : 400;
        divwidth  = divwidth  ? divwidth  : 400;
        
        //----------------------------------
        // Got it stored in a cookie?
        //----------------------------------
        
        var divxy = my_getcookie( 'ipb-myass-div' );
        var co_ords;
        
        if ( divxy && divxy != null )
        {
            co_ords = divxy.split( ',' );
        
            //----------------------------------
            // Got co-ords?
            //----------------------------------
            
            if ( co_ords.length )
            {
                var final_width  = co_ords[0];
                var final_height = co_ords[1];
                
                if ( co_ords[0] > my_width )
                {
                    //----------------------------------
                    // Keep it on screen
                    //----------------------------------
                    
                    final_width = my_width - divwidth;
                }
                
                if ( co_ords[1] > my_height )
                {
                    //----------------------------------
                    // Keep it on screen
                    //----------------------------------
                    
                    final_height = my_height - divheight;
                }
                
                myass_main.style.left = final_width  + 'px';
                myass_main.style.top  = final_height + 'px';
            }
        }
        else
        {
            //----------------------------------
            // Reposition DIV roughly centered
            //----------------------------------
            
            myass_main.style.left = my_width  / 2  - (divwidth / 2)  + 'px';
            myass_main.style.top  = my_height / 2 - (divheight / 2 ) + 'px';
        }
        
        Drag.cookiename = 'ipb-myass-div';
        Drag.init( myass_drag, myass_main );
        
        myass_loaded = 1;
    }
}

/*--------------------------------------------*/
// Alter DST Retrieve XML document
/*--------------------------------------------*/

function xml_myassistant_search( url )
{
    var keywords  = document.getElementById('myass-search-input').value;
    var msg_field = document.getElementById('myass-search-message');
    var url       = ipb_var_base_url+'act=Search&CODE=01&forums=all&cat_forum=forum&joinname=1&search_in=posts&result_type=topics&xml=1&keywords='+escape(keywords);

    if ( keywords.length < 4 )
    {
        msg_field.innerHTML = ipb_myass_chars_lang;
        return false;
    }
    
    //----------------------------------
    // Already cached?
    //----------------------------------
    
    if ( search_cache[ keywords ] )
    {
        msg_field.innerHTML = search_cache[ keywords ];
        return;
    }
    
    /*--------------------------------------------*/
    // Main function to do on request
    // Must be defined first!!
    /*--------------------------------------------*/
    
    do_request_function = function()
    {
        //----------------------------------
        // Ignore unless we're ready to go
        //----------------------------------
        
        if ( ! xmlobj.readystate_ready_and_ok() )
        {
            xmlobj.show_loading();
            return;
        }
        
        xmlobj.hide_loading();
        
        //----------------------------------
        // INIT
        //----------------------------------
        
        var html = xmlobj.xmlhandler.responseText;
    
        msg_field.innerHTML      = html;
        search_cache[ keywords ] = html;
    }
    
    //----------------------------------
    // LOAD XML
    //----------------------------------
    
    xmlobj = new ajax_request();
    xmlobj.onreadystatechange( do_request_function );
    
    xmlobj.process( url );
}

/*--------------------------------------------*/
// Alter DST Retrieve XML document
/*--------------------------------------------*/
function xml_dst_set( url )
{
    /*--------------------------------------------*/
    // Main function to do on request
    // Must be defined first!!
    /*--------------------------------------------*/
    
    do_request_function = function()
    {
        //----------------------------------
        // Ignore unless we're ready to go
        //----------------------------------
        
        if ( ! xmlobj.readystate_ready_and_ok() )
        {
            // Could do a little loading graphic here?
            return;
        }
        
        //----------------------------------
        // INIT
        //----------------------------------
        
        var html = xmlobj.xmlhandler.responseText;
    
        if ( html == 'error' )
        {
            window.location = url.replace( '&xml=1', '&xml=0');
        }
    }
    
    //----------------------------------
    // LOAD XML
    //----------------------------------
    
    xmlobj = new ajax_request();
    xmlobj.onreadystatechange( do_request_function );
    
    xmlobj.process( url );
}