function validate()
{
 if (document.contactus.name.value == "")
 {
	 alert ("Please enter your name");
	 document.contactus.name.focus();
	 return false;
 }
 if ((document.contactus.email.value.indexOf("@") == -1) || (document.contactus.email.value.indexOf(".")== -1))
 {
	 alert("Please enter valid E-Mail ID !");                
	 document.contactus.email.focus();        
	 document.contactus.email.select();                                                
	 return false;
 }    
 
 
  
  if (document.contactus.message.value == "")
 {
	 alert ("Please enter your message !");
	 document.contactus.message.focus();
	 return false;
 }
 
     document.contactus.action="contactform.php";
 
document.contactus.submit(); 
}