var subEmailDefault = 'enter your email';

function focusSubscribeForm(){
	var email = document.getElementById('subForm').email;
	if(email.value == subEmailDefault)email.value = '';
}

function blurSubscribeForm(){
	var email = document.getElementById('subForm').email;
	if(email.value.length < 1)email.value = subEmailDefault;
}

function submitSubscribeEmail(){
	var form = document.getElementById('subForm');
	form.submit();
}