Update '12/dragable.js'

12/dragable.js

@@ -18,11 +18,11 @@
     if (e.type=="mousedown") {
       xOffset = e.clientX - rect.left; //clientX and getBoundingClientRect() both use viewable area adjusted when scrolling aka 'viewport'
       yOffset = e.clientY - rect.top;
-      dragObj.addEventListener('mousemove', dragObject, true);
+      window.addEventListener('mousemove', dragObject, true);
     } else if(e.type=="touchstart") {
       xOffset = e.targetTouches[0].clientX - rect.left;
       yOffset = e.targetTouches[0].clientY - rect.top;
-      dragObj.addEventListener('touchmove', dragObject, true);
+      window.addEventListener('touchmove', dragObject, true);
     }
   }
 
@@ -82,11 +82,11 @@ makeDragable('#shell_03header', '#shell_03')
     if (x.type=="mousedown") {
       xOffset2 = x.clientX - rect.left; //clientX and getBoundingClientRect() both use viewable area adjusted when scrolling aka 'viewport'
       yOffset2 = x.clientY - rect.top;
-      dragObj2.addEventListener('mousemove', dragObject2, true);
+      window.addEventListener('mousemove', dragObject2, true);
     } else if(e.type=="touchstart") {
       xOffset2 = x.targetTouches[0].clientX - rect.left;
       yOffset2 = x.targetTouches[0].clientY - rect.top;
-      dragObj2.addEventListener('touchmove', dragObject2, true);
+      window.addEventListener('touchmove', dragObject2, true);
     }
   }