function emailFormValidation(){
  var  inputemail = document.getElementById("subscribeEmail");
            var inputemailvalue = inputemail.value;
		    var regexemail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;//allows for sub domains
			   if (!regexemail.test(inputemailvalue)){
			     alert ("Improperly formed email address...please re-enter");
				 inputemail.select();
				 inputemail.focus();
				 inputemailvalue = "";
				 inputemail.style.backgroundColor='#d8eff2';
				 return false;
			   }
	    window.open("about:blank","mySubscriptionWin","width=400,height=200,toolbar=0"); 
}