function isEmail(entry){
		var rex= /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,5})(\]?)$/;
		return rex.test(entry);
	}
 function validate(form1)
 {
 

  if(form1.name.value=="")
 {
  alert('Please enter your name');
  form1.name.focus();
  return false;
 }
 
 if(form1.email.value=="")
 {
  alert('Please enter email');
  form1.email.focus();
  return false;
 }
  
   if(!isEmail(form1.email.value)){
		alert('Please enter valid email');
		form1.email.focus();
		return false;
	}

  
  
 
 if(form1.contact.value=="")
   {
      alert("Please enter your contact number");
	  form1.contact.focus();
	  return false;
	  
   }
  
  if(form1.message.value=="")
 {
  alert('Please enter your message');
  form1.message.focus();
  return false;
 }
  
 
  
  
  //--> 
 
}