function validateAndEncode(id){
	document.getElementById('description').value = encodeURIComponent(document.getElementById(id).value);			
	return true;
}

function validateAndEncodeForm(form){	
	document.getElementById('authorName').value = encodeURIComponent(document.getElementById('autor').value);
	document.getElementById('title').value = encodeURIComponent(document.getElementById('titol').value);
	document.getElementById('keyword').value = encodeURIComponent(document.getElementById('clau').value);
	
	document.getElementById('autor').value = "";
	document.getElementById('titol').value = "";
	document.getElementById('clau').value = "";
	
	return true;
}