Index: lams_central/web/includes/javascript/dialog.js
===================================================================
diff -u -r4a2a1ea3d6d2248d1c4146e6a48e71259c64cee1 -rdec72575c7e173cdf993a4c09cc481962a9d46cf
--- lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision 4a2a1ea3d6d2248d1c4146e6a48e71259c64cee1)
+++ lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision dec72575c7e173cdf993a4c09cc481962a9d46cf)
@@ -76,7 +76,8 @@
 	if (initParams.resizable) {
 		modalContent.resizable();
 	}
-	if (initParams.draggable) {
+	if (initParams.draggable && ! /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
+		// breaks the close buttons on Android and iPhone
 		modalDialog.draggable();
 	}
 	// store extra attributes for dialog content internal use