也许需要高手才能解决，关于抓取

/**
 * DataCallback
 */
function DataCallback(){
    
    // Get content of InputBox (entered by user)
    var TrackingString = dojo.byId("InputBox").value;

    // Get value of the drop-down box (Container, B/L or Booking Number)
    var SearchType = dojo.byId("SearchType").value;

    // Transform the content of TrackingString in uppercase
    TrackingString = TrackingString.toUpperCase();

    var getAXSSContent = dijit.byId("SearchResults");

    if (TrackingString != '') {

        // Clear old results
        ClearResults();

        // Send a base64 encoded string to MscTrackingData containing:
        // 1. The value entered by the user
        // 2. The search type (Container/BL or Booking)
        // 3. Applic which is a global variable set in index.php
        var URLString = Base64.encode(TrackingString + "|" + SearchType + "|" + Applic);

        getAXSSContent.attr("href", "MSCTrackingData.php?e=" + URLString);    
        
        getAXSSContent.attr("onDownloadEnd", function() {
            dojo.parser.parse(dojo.byId("SearchResults"));
            disableSearch(false);
        });        

    } else {

        viewTrackingError("Please enter a Container number, a Bill of Lading or a Booking number in the input box.");
        disableSearch(false);

    }

}

------解决方案--------------------
这个不知道怎么做呢。。