Add setting of image display to next/previous record event

WebGde/WebContent/WebGde-Widgets/ImageViewerWidget/modules/imageViewer/imageViewer.js

@@ -216,6 +216,14 @@ export class ImageViewer {
             }
             document.getElementById(this.currentImageID).setAttribute("id", this.previousImageID);
             document.getElementById(this.previousImageID).style.display = "none";
+
+            let previousDiv =  document.getElementById(this.previousImageID);
+            if(previousDiv.getAttribute("file-type") == "tiff" || previousDiv.getAttribute("file-type") == "tif"){
+                let filename = document.getElementById("imageFileName").textContent;
+                let filenameWithoutExt = filename.split(".")[0];
+                document.getElementById(filenameWithoutExt + sessionStorage.getItem("current_page")).style.display = "none";
+            }
+            
         }
         //this.previousImageObject.id = this.previousImageID;
     }
@@ -234,6 +242,13 @@ export class ImageViewer {
             }
             document.getElementById(this.currentImageID).setAttribute("id", this.nextImageID);
             document.getElementById(this.nextImageID).style.display = "none";
+
+            let nextDiv =  document.getElementById(this.nextImageID);
+            if(nextDiv.getAttribute("file-type") == "tiff" || nextDiv.getAttribute("file-type") == "tif"){
+                let filename = document.getElementById("imageFileName").textContent;
+                let filenameWithoutExt = filename.split(".")[0];
+                document.getElementById(filenameWithoutExt + sessionStorage.getItem("current_page")).style.display = "none";
+            }
         }
         this.nextImageObject.id = this.nextImageID;
     }