/**
 *
 *
 */
function hideSelect(){
	obj1 = document.getElementsByTagName('select');
	for (i = 0; i < obj1.length; i++) {
		obj1[i].style.visibility = 'hidden';
	}
}

/**
 *
 *
 *
 */
function showSelect() {
	obj1 = document.getElementsByTagName('select');
	for (i = 0; i < obj1.length; i++) {
		obj1[i].style.visibility = 'visible';
	}
}