function validation()
{
	if(document.subscribe.email.value=="")
	{
		document.subscribe.email.focus();
		alert("Please Enter Your E-Mail Address");
		return false;
	} 
	
	if(document.subscribe.email.value!="")
	{
		var email=document.subscribe.email.value;
		var emailPat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*\.(\w{2}|(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum))$/
		var matchArray = email.match(emailPat);
		
		if(document.subscribe.email.value=="" || matchArray == null)
		{
			document.subscribe.email.focus(); 
			alert ("Mail Address Format Is Not Correct");
			return false;
		}
	}
	if (document.getElementById)
	{ 
		document.getElementById("one").style.display = "none";
		document.getElementById("two").style.display = "block";
	} 
}