use strict: not create global variable (without var)

git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@56593 954022d7-b5bf-4e40-9824-e11837661b57

Word/Editor/Math.js

@@ -168,8 +168,8 @@ ParaMath.prototype =
 			}
 			else
 			{
-				nPosStart = oStartContent.State.ContentPos;
-				nLenStart = oStartContent.Content.length;
+				var nPosStart = oStartContent.State.ContentPos,
+					nLenStart = oStartContent.Content.length,
 					nPosEnd = oEndContent.State.ContentPos;
 				
 				History.Create_NewPoint();
@@ -179,7 +179,7 @@ ParaMath.prototype =
 					var oMRun = new ParaRun(this.Paragraph, true);
 					oMRun.Pr = oStartContent.Pr;
 
-					for (i=nPosStart; i<nLenStart; i++)
+					for (var i=nPosStart; i<nLenStart; i++)
 					{
 						var Pos = oMRun.Content.length;
 						var EndPos = Pos + 1;