// Current page
var fpCurPage = 1;


// --------------------------------------
// Show page
// --------------------------------------


function ShowPage(id)
    {

    // Get element
    //document.getElementById('page_' + id).style.backgroundImage = "url(/images/prod_menu_back_act.gif)";

    // Show data layer
    document.getElementById('data_' + id).style.display = "block";
    
    // Check for previously selected page
    if( (fpCurPage >= 0) && (fpCurPage != id) )
        {

        // Set normal background
        //document.getElementById('page_' + fpCurPage).style.backgroundImage = "url(/images/prod_menu_back.gif)";

        // Hide data layer
        document.getElementById('data_' + fpCurPage).style.display = "none";
        }
    
    // Set current page
    fpCurPage = id;
    
    }