Update '12/dragable.js'

12/dragable.js

@@ -83,7 +83,7 @@ makeDragable('#shell_03header', '#shell_03')
       xOffset2 = x.clientX - rect.left; //clientX and getBoundingClientRect() both use viewable area adjusted when scrolling aka 'viewport'
       yOffset2 = x.clientY - rect.top;
       window.addEventListener('mousemove', dragObject2, true);
-    } else if(e.type=="touchstart") {
+    } else if(x.type=="touchstart") {
       xOffset2 = x.targetTouches[0].clientX - rect.left;
       yOffset2 = x.targetTouches[0].clientY - rect.top;
       window.addEventListener('touchmove', dragObject2, true);