diff --git a/metadata/dbms/tools.js b/metadata/dbms/tools.js
index 4da618e..2e5a20b 100644
--- a/metadata/dbms/tools.js
+++ b/metadata/dbms/tools.js
@@ -1595,11 +1595,11 @@ var Settings=new TSettings();
 
 function isInt(value)
 {
-	var num="-1234567890"
-	for (var i=0;i<value.length;i++)
+	let num="-1234567890"
+	for (let i=0;i<value.length;i++)
 	{
-		var b=true;
-		for(var j=0;j<num.length;j++)
+		let b=true;
+		for(let j=0;j<num.length;j++)
 		{
 			if (value.charAt(i)==num.charAt(j)) b=false;
 		}
@@ -1610,10 +1610,10 @@ function isInt(value)
 
 function isFloat(value)
 {
-	num="-1234567890.,"
+	let num="-1234567890.,"
 	for (i=0;i<value.length;i++)
 	{
-		b=true;
+		let b=true;
 		for(j=0;j<num.length;j++)
 		{
 			if(value.charAt(i)==num.charAt(j)) b=false;