$(document).ready(function() {
	var searchFieldInitialValue = $('#RICERCA').val();
	$('#RICERCA').focus(function() {
		// During focus we remove all the content
		if ($(this).val() == searchFieldInitialValue) {
			$(this).val('');
		} else {
			this.select();
		}
	}).blur(function() {
		if ($(this).val() == '') {
			$(this).val(searchFieldInitialValue);
		}
	});
});