var gNodeHash = '<br /> <b>Notice</b>: Undefined variable: szHash in <b>C:\Inetpub\wwwroot\php\htdocs\mapedit\treeview.pht ml</b> on line <b>140</b><br /> '; var gParams = '?p='; I can't run your application because that error. I don't know what do I have to do now. Could you help me!