function email(x)
{
  email_regx = /^[^@]+@[^@]+.[a-z]{2,}$/i;
	return !(x.search(email_regx) == -1); 
}


function clearText(thefield) { 

	if (thefield.defaultValue == thefield.value) thefield.value = "";
	
	}	

function validateForm() {

	if (document.newsletterForm.email.value == '' || document.newsletterForm.email.value == 'youremail@yourdomain.com') {

		alert('You must enter an email address!');
		
		document.newsletterForm.email.value = "youremail@yourdomain.com";


	} else if(!email(document.newsletterForm.email.value)) {

		alert('You have entered an invalid email address!');
		
		document.newsletterForm.email.value = "youremail@yourdomain.com";

	} else {

	 	document.newsletterForm.submit();

	}
	
}


function validateForm2() {

	if (document.newsletterForm2.email.value == '' || document.newsletterForm2.email.value == 'youremail@yourdomain.com') {

		alert('You must enter an email address!');
		
		document.newsletterForm2.email.value = "youremail@yourdomain.com";


	} else if(!email(document.newsletterForm2.email.value)) {

		alert('You have entered an invalid email address!');
		
		document.newsletterForm2.email.value = "youremail@yourdomain.com";

	} else {

	 	document.newsletterForm2.submit();

	}
	
}