function subscribe_newsletter() {
	
	var name=$("#subscribe_name").attr('value');
	var email=$("#subscribe_email").attr('value');
	
	var fail=0; error="";
	
	if ((name=="") || (name=="Enter your name")) { error='Please enter your name\n'; fail=1; }
	if ((email=="") || (email=="Enter your email address")) { error+='Please enter your Email Address'; fail=1; } else {
		if ((!isValidEmail(email)) && (email!="Enter your email address")) { error+='Please enter correct Email Address'; fail=1; }
	}
	if (fail==0) {
		var dataString="pg=subscribe&name=" + name + "&email=" + email;
		
		$.ajax({  
		   type: "GET",  
		   url: "index.php",  
		   data: dataString,  
		   success: function(msg) {  
				document.getElementById('message').innerHTML='<span class="message-text">' + msg + '</span>';
		   }  
		});  
	} else {
		alert(error);
	}
     
}

function isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}