function echeck(str){
	var at="@";
	var dot=".";
	var lat=str.indexOf(at);
	var lstr=str.length;
	var ldot=str.indexOf(dot);
	if(str.indexOf(at)==-1){
		alert("Invalid email address");
		return false;
	}
	if(str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		alert("Invalid email address");
		return false;
	}
	if(str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid email address");
		return false;
	}
	if(str.indexOf(at,(lat+1))!=-1){
		alert("Invalid email address");
		return false;
	}
	if(str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid email address");
		return false;
	}
	if(str.indexOf(dot,(lat+2))==-1){
		alert("Invalid email address");
		return false;
	}
	if(str.indexOf(" ")!=-1){
		alert("Invalid email address");
		return false;
	}
	return true;
}
function ValidateForm(){
	var NameID=document.getElementById('Name');
	var EmailID=document.getElementById('Email');
	var RegularSubscriptionID=document.getElementById('RegularSubscription');
	var PatronSubscriptionID=document.getElementById('PatronSubscription');
	var PlatinumSubscriptionID=document.getElementById('PlatinumSubscription');
	if((NameID.value==null)||(NameID.value=="")){
		alert("Name is required.");
		NameID.focus();
		return false;
	}
	if((EmailID.value==null)||(EmailID.value=="")){
		alert("Email address is required.");
		EmailID.focus();
		return false;
	}
	if(echeck(EmailID.value)==false){
		EmailID.focus();
		return false;
	}
	if(!RegularSubscriptionID.checked && !PatronSubscriptionID.checked && !PlatinumSubscriptionID.checked){
		alert("Subscription Type is required.");
		RegularSubscriptionID.focus();
		return false;
	}
	return true;
}