javascript php server-side aspnet function difference jquery select-all checkboxes datetime uuidcreate undefined webservice maxjsonlength exceeds json deserialization serialization node-name xml extract c# vs2008 format-number xslt client-side load script sql-server owner authorization diagrams database firefox options select html error resource shared multiple similar print echo network router switch hub querystring rewriterule apache page table ui stylesheet only ie firewall-ftp networking problem server connections