How i can find out that URL is active or inactive
<p>Hello Master Mind Friends
      I have One issue i am showing information of web site using web view. Before showing it i want to know is it url link active or not if it is then i will show it in webView otherwise i will show alert message to User. Can anyone help to me. The url is like www.domainname.com:8150/imagename.jpg will it work or not. In this i want to know Will this link active or not.
      Thanks in advance.</p>
