function search_clear_select( obj_select )
{
    while( obj_select.length > 0 )
    {
        obj_select.remove( 0 );
    }

    return true;
}

function push_null_element( obj_select )
{
    obj_select.options[ obj_select.options.length ] = new Option( '<βρε>', 0 );
}

function search_f_country_changed( new_value )
{
    var obj_regions = document.forms['SearchForm']['reg'];
    search_clear_select( obj_regions );
    push_null_element( obj_regions );

    var elements = lnk_country2region[ new_value ];

    if( elements != undefined )
    for( var lp=2; lp<elements.length; lp++ )
    {
        var key = elements[ lp ];
        obj_regions.options[ obj_regions.options.length ] = new Option( ary_region[ key ], key );
    }
    


    return true;
}

function search_select_changed( obj_select, obj_type, search_mode )
{
    $.getJSON(
		'ajaxsite.php?topic=select_data&type='+obj_type+'&value='+obj_select.value+'&search_mode='+search_mode,
		{},
		function( json )
		{
            switch( obj_type )
            {
                case 'reg':
                {
                    $("div#obj_regd").html( json.select_data_regd );
                }
                case 'regd':
                {
                    $("div#obj_twn").html( json.select_data_twn );
                }
                case 'twn':
                {
                    $("div#obj_twnd").html( json.select_data_twnd );
                }
                case 'twnd':
                {
                    $("div#obj_twns").html( json.select_data_twns );
                }
            }
		}
	);
}