Как включить кэширование? - [VM1] Общие вопросы и ошибки

	// Here is the most important part of the whole Shop:
	// LOADING the requested page for displaying it to the customer.
        // I have wrapped it with a function, because it becomes
        // cacheable that way.
        // It's just an "include" statement which loads the page
        $vmDoCaching = ($page=="shop.browse" || $page=="shop.product_details") 
                        && (empty($keyword) && empty($keyword1) && empty($keyword2));
		
        // IE6 PNG transparency fix
        $vm_mainframe->addScript( "$mosConfig_live_site/components/$option/js/sleight.js" );

		echo '<div id="vmMainPage">'."\n";
		
		// Load requested PAGE

	// Here is the most important part of the whole Shop:
	// LOADING the requested page for displaying it to the customer.
    // I have wrapped it with a function, because it becomes
    // cacheable that way.
    // It's just an "include" statement which loads the page
    $vmDoCaching = ($page=="shop.browse" || $page=="shop.product_details")
                    && class_exists("mosCache")
                    && (empty($keyword) && empty($keyword1) && empty($keyword2));

    if( !function_exists( "load_that_shop_page" )) {
        function load_that_shop_page( $modulename, $pagename) {

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