function input(type,id) {
	c = document.getElementById(id);
	v = c.value;
	if(type=='of') {
		if(v=='') {
			c.style.fontSize = '12px';
			c.value = 'Votre '+id;
			c.style.color = '#999';
		}
	} else {
		if(v=='Votre '+id) {
			c.style.fontSize = '14px';
			c.value = '';
			c.style.color = '#333';
		}
	}
}
function submit_form() {
	email = document.getElementById('e-mail').value;
	entreprise = document.getElementById('entreprise').value;
	if(email!='' && email!='Votre e-mail' && entreprise!='' && entreprise!='Votre entreprise') {
		document.getElementById('form_newsletter').submit();
	}
}