// JavaScript Document

	
	
	var emailFilter=/^.+@.+\..{2,3}$/;
var namefilter=/^([a-z A-Z])+$/;
var urlfilter= /http:\/\/[A-Za-z0-9\.-]{3,}\.[A-Za-z]{2,3}/;
//comment form
function validation()
{
	if(document.commentform.author.value=="")
 {
 alert("Please Enter Author Name!");
  document.commentform.author.focus();
  return  false;
 }
 if(!namefilter.test(document.commentform.author.value))
 {
 alert("Please Enter Author Name In Alphabet!");
  document.commentform.author.focus();
  return  false;
 }
 if(document.commentform.email.value=="")
 {
 alert("Please Enter Your Email!");
  document.commentform.email.focus();
  return  false;
 }
 if(!emailFilter.test(document.commentform.email.value))
 {
 alert("Please Enter Correct Email!");
  document.commentform.email.focus();
  return  false;
 }
 if(document.commentform.url.value!="")
 {
 
 if(!urlfilter.test(document.commentform.url.value))
 {
 alert("Please Enter Website URL  in this (http://www.geneartogy.com) format.");
  document.commentform.author.focus();
  return  false;
 }}
 if(document.commentform.comment.value=="")
 {
 alert("Please Enter Your Comments!");
  document.commentform.comment.focus();
  return  false;
 }
	}