function validate() {
if (document.getElementById("name").value == "" ){
  alert("Please enter a name");
  }
  
else if (document.getElementById("email").value == "" ) {
  alert("Please enter an email");
  }
	
else if (document.getElementById("phone").value == "" ) {
  alert("Please enter a contact number");
  	}
  
else if (document.getElementById("message").value == "" ) {
  alert("Please enter your message");
  }
  
 else {
 document.getElementById("bookenquiry").submit();
 }
 
}