function checkForm(){
   var name = document.contact.name.value;
   var email = document.contact.email.value;
   var subject = document.contact.subject.value;
   var message = document.contact.message.value;
   var emailRegEx = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i;
       
   if(name == "") {
   		alert("Please enter your name.");
		return false;
	} 
	else if(email == "") {
      alert("Please enter your e-mail address.");
      return false;
   } 
	else if(document.contact.email.value.search(emailRegEx) == -1) {
          alert("Please enter a valid email address.");
		  return false;
     }
   else if(subject == "") {
      alert("Please enter a subject.");
      return false;
   } 
	else if(message == "") {
	   alert("Please enter a message.");
	   return false;
   } 
   else {
      return true;
   }
}

function checkSubscribe(){
   var name = document.subscribe.name.value;
   var address = document.subscribe.address.value;
   var city = document.subscribe.city.value;
   var state = document.subscribe.state.value;
   var zip = document.subscribe.zip.value;
   var email = document.subscribe.email.value;
   var subject = document.subscribe.subject.value;
   var message = document.subscribe.message.value;
   var emailRegEx = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i;
       
   if(name == "" || address == "" || city == "" || state == "" || zip == "" || subject == "") {
   		alert("Please fill out all required parts of this form.");
		return false;
	} 
	else if(document.subscribe.email.value.search(emailRegEx) == -1) {
          alert("Please enter a valid email address.");
		  return false;
     }
   else {
		  return true;
   }
}