How to Find out The Specific Image Item Position in Html5 Image Viewer - Image Item position in Html5 Image Viewer

   var imageViewerDiv = document.getElementById("imageViewerBody"); 
    var createOptions = new lt.Controls.ImageViewerCreateOptions(imageViewerDiv); 
    imageViewer = new lt.Controls.ImageViewer(createOptions); 
    imageViewer.items.clear();
    
    imageViewer.zoom(lt.Controls.ControlSizeMode.fit, 1, imageViewer.defaultZoomOrigin);
    /*****annotation******/
    renderingEngine = new lt.Annotations.Rendering.AnnHtml5RenderingEngine();
    manager = new lt.Annotations.Automation.AnnAutomationManager.create(renderingEngine);
    automationControl = new lt.Annotations.JavaScript.ImageViewerAutomationControl();
    // Create the default annotations objects  
    manager.createDefaultObjects();
    //Gets or sets a value that indicates whether new drawn objects are selected (edited).
    manager.editObjectAfterDraw = false;
      // Attach our image viewer 
    automationControl.imageViewer = imageViewer;
     // set up the automation (will create the container as well) 
    automation = new lt.Annotations.Automation.AnnAutomation(manager, automationControl);
    // Add handler to update the container size when the image size changes 
    imageViewer.itemChanged.add(function (sender, e) {
       var container = automation.container;
       container.size = container.mapper.sizeToContainerCoordinates(imageViewer.imageSize);
       manager.currentObjectId = lt.Annotations.Core.AnnObject.freehandObjectId;
    });
    // set up this automation as the active one 
    automation.active = true;
  imageViewer.viewHorizontalAlignment = lt.Controls.ControlAlignment.center;
  imageViewer.viewVerticalAlignment = lt.Controls.ControlAlignment.center;
  imageViewer.set_itemSpacing(lt.LeadSizeD.create(400,10));
  // Use vertical view layout 
  imageViewer.viewLayout = new lt.Controls.ImageViewerVerticalViewLayout(); 
  //imageViewer.viewLayout = new lt.Controls.ImageViewerSingleViewLayout();
  imageViewer.imageBorderThickness = 0; 
  imageViewer.activeItemBackgroundColor = "blue"; 
  imageViewer.selectedItemBackgroundColor = "blue"; 

  // Add the interface mode to select items (single) 
  var selectItemsMode = new lt.Controls.ImageViewerSelectItemsInteractiveMode(); 
  selectItemsMode.selectionMode = lt.Controls.ImageViewerSelectionMode.single; 
  // Tell the mode to set the active item for us 
  selectItemsMode.autoItemMode = lt.Controls.ImageViewerAutoItemMode.autoSetActive; 
  imageViewer.defaultInteractiveMode = selectItemsMode; 

  var item = new lt.Controls.ImageViewerItem(); 
     var imageUrl = "http://demo.leadtools.com/JavaScript/Thumbnails/Resources/Samples/Ocr1-4.tif"; 
     item.url = imageUrl; 
     imageViewer.items.add(item); 

<img src="http://demo.leadtools.com/JavaScript/Thumbnails/Resources/Samples/Ocr1-4.tif" />