Jin Yong questions

• Replace string only when 100% matched [duplicate]
• Applied style="display:none" in <option> not working in IE but working Mozilla
• How can I validate the date format in client side .net c#?
• How to check whether the page is call from http or https in php
• self.close() not working for mozilla
• Yahoo Compressor
• Does anyone know how can I keep the Javascript variable even though the page has been refreshed?
• Combine multiple results into a single string in SQL Server
• how can I default selected value in asp:DropDownList
• Play a sound on page load using JavaScript

Jin Yong answers