--- takahashi.xul	2006/06/10 08:44:15	7
+++ takahashi.xul	2006/06/10 08:50:08	8
@@ -1008,7 +1008,7 @@
 		if (this.dataPath != file) {
 			var path = this.dataPath;
 			var request = new XMLHttpRequest();
-			request.open('GET', path);
+			request.open('GET', path + '?rand=' + Math.random() );
 			request.onload = function() {
 				Presentation.textbox.value = request.responseText;
 				Presentation.data = Presentation.textbox.value;