/**
 * @author Mery
 */
function initInstruments(){
	$('loginButton').addEvent("click", controllAccess);
	$('feedback').addClass('invisible');
}
function controllAccess(event){
	var errorList = new Array();
	$$('input.required').each(function(Element){
		id = Element.get("id");
		errorList.push(requestControll(id));
	});
	
	if (arraySum(errorList) == 0) {
		var user = $('user').value;
		var pwd = $('pwd').value;
		var url = 'sql/controllAccess.sql.php';
		var target = 'feedback';
		var doEvalutate_R = new Request.HTML({
			url: url,
			update: target,
			onComplete: function(tree, elements, html, js){
				$('feedback').removeClass('invisible');
			}
		});
		doEvalutate_R.post({
			'user': user,
			'pwd': pwd
		});
	}
}