Event.observe(window, 'load', init, false);
	
	function init(){
		Event.observe('query', 'keyup', validate, false);
	}

	function validate(){
	  	var url = 'validation.php';
		var pars = 'query='+escape($F('query'));
		var target = 'error';
		var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});
	}