diff --git a/frontend/index.html b/frontend/index.html
index 83ef266..b8c1bbe 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -233,18 +233,6 @@ $(document).ready(function() {
 		}
 	}
 	
-	function checkRegexp(o,regexp,n) {
-		
-		if ( !( regexp.test( o.val() ) ) ) {
-			o.addClass('ui-state-error');
-			updateTips(n);
-			return false;
-		} else {
-			return true;
-		}
-	}
-
-	
 	$("#dialog-form").dialog({
 			autoOpen: false,
 			height: 300,