project 3 com380

Signed-off-by: Amrit Panesar <apanesar-77260@student.coleman.edu>

COM350/Project3/description/offline.js

@@ -0,0 +1,52 @@
+var Galleries = Galleries || { };
+
+(function() {
+
+    function findElem(parent, tagName, className) {
+        var elemToSearch = (parent) ?  parent : document.body;
+        var tagMatch = elemToSearch.getElementsByTagName(tagName);
+        var evaluator = function(elem) {
+            return (className) ? (elem.className.indexOf(className) > -1) : true;
+        };
+
+        return findArrayElem(tagMatch, evaluator);
+    }
+
+    function findArrayElem(array, evaluator) {
+        var newArray = new Array();
+        for (var count = 0; count < array.length; count++) {
+            if (evaluator(array[count])) {
+                newArray.push(array[count]);
+            }
+        }
+        return newArray;
+    }
+
+    function iterateElem(elems, delegate) {
+        for(var count = 0; count < elems.length; count++) {
+            delegate(count, elems[count]);
+        }
+    }
+
+    function isHidden(elem) {
+        return (elem.offsetHeight === 0 && elem.offsetWidth === 0) || elem.style && elem.style.display === "none";
+    }
+    
+    function onWindowLoad(callback) {
+        attachEventHandler(null, 'load', callback);
+    }
+ 
+    function attachEventHandler(elem, event, callback) {
+        var elemToAttach = (elem) ? elem : window;
+        if (document.addEventListener) {
+			elemToAttach.addEventListener(event, callback, false);
+		} else if ( document.attachEvent ) {
+			elemToAttach.attachEvent('on' + event, callback);
+		}
+    }
+
+    Galleries.findElem = findElem;
+    Galleries.iterateElem = iterateElem;
+    Galleries.attachEventHandler = attachEventHandler;
+    Galleries.onWindowLoad = onWindowLoad;
+})();