function c_side_menu_app() 
{
    this.language_mouse_over = function( element )
    {
        if( element.className == 'side_menu_language_content' )
        {
            element.className = 'side_menu_language_content_hover';
        }
        else
        {
            element.className = 'side_menu_language_content_selected_hover';
        }
    }
    this.language_mouse_out = function( element )
    {
        if( element.className == 'side_menu_language_content_hover' )
        {
            element.className = 'side_menu_language_content';
        }
        else
        {
            element.className = 'side_menu_language_content_selected';
        }
    }
    this.item_mouse_over = function( element )
    {
        if( element.className == 'side_menu_item_content' )
        {
            element.className = 'side_menu_item_content_hover';
        }
        else
        {
            element.className = 'side_menu_item_content_selected_hover';
        }
    }
    this.item_mouse_out = function( element )
    {
        if( element.className == 'side_menu_item_content_hover' )
        {
            element.className = 'side_menu_item_content';
        }
        else
        {
            element.className = 'side_menu_item_content_selected';
        }
    }
    this.menu_click = function( side_menu )
    {
        var arr = dog( 'top_menu_menu_arr_string' ).value.split( '<!!>' );
        //alert( arr );
        var top_menu = 'index';
        for( i = 0; i < arr.length; i++ )
        {
            if( dog( 'top_menu_menu_' + arr[i] ).className == "top_menu_item_content_selected" || 
                dog( 'top_menu_menu_' + arr[i] ).className == "top_menu_item_content_selected_hover" )
            {
                top_menu = arr[i];
            }
        }
        var arr = dog( 'top_menu_language_arr_string' ).value.split( '<!!>' );
        var language = 'nl';
        for( i = 0; i < arr.length; i++ )
        {
            if( dog( 'top_menu_language_' + arr[i] ).className == "top_menu_language_content_selected" || 
                dog( 'top_menu_language_' + arr[i] ).className == "top_menu_language_content_selected_hover" )
            {
                language = arr[i];
            }
        }
        var arr = dog( 'side_menu_menu_arr_string' ).value.split( '<!!>' );
        for( i = 0; i < arr.length; i++ )
        {
            dog( 'side_menu_menu_' + arr[i] ).className = "side_menu_item_content";
        }
        dog( 'side_menu_menu_' + side_menu ).className = "side_menu_item_content_selected_hover"



        $.ajax({
            type: "POST",
            url: "side_menu_content.php",
            data: "language=" + language +
                  "&top_menu=" + top_menu +
                  "&side_menu=" + side_menu,
            success: function( msg )
            {
                //alert( msg );
                dog( 'side_menu_content_div' ).innerHTML = msg;
            }
         });
    }
}