function validate()
 { 
 	
  if(document.getElementById("name").value=="")
  {
   	alert('Please enter name');
	document.getElementById("name").focus();
	return false; 
  }
  
   else if(document.getElementById("phone").value=="")
  {
   	alert('Please enter phone');
	document.getElementById("phone").focus();
	return false; 
  }
  
  else if(document.getElementById("email").value=="")
  {
   	alert('Please enter e-mail');
	document.getElementById("e-mail").focus();
	return false; 
  }

  
 var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
 if(!emailPattern.test(document.getElementById("email").value))
 {
  alert('Provided email-id is not in correct format');
  document.getElementById("email").focus();
   return false;
 } 
  
  
  
   else if(document.getElementById("city").value=="")
  {
   	alert('Please enter city');
	document.getElementById("city").focus();
	return false; 
  }
  
   else if(document.getElementById("query").value=="")
  {
   	alert('Please enter Additional Information');
	document.getElementById("query").focus();
	return false; 
  }
  else
  {
	document.f1.submit();
  }
 }