function subscribe(){
	f=document.forms['subscribeform'];
	if(validateEmail(f.email.value)){
		f.submit();
	}else{
		alert("Please fillin a valid email address.");
	}
}

function validateEmail(email){
   var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
   if (! email.match(re)) {
	   return (false);
   }
   return(true);
}