Stuff

function check_domain(element) {
			var tld = $('tld').value;
			var domain = $('domain_text').value;
			if (domain != "") {
				domain += tld;
				$(element).innerHTML = "<img src='images/ajax-loader.gif'>";
				var url = 'domaincheck.php';
				var params = 'domain=' + domain;
				var ajax = new Ajax.Updater(
				{success: element},
				url,
				{method: 'get', parameters: params, onFailure: reportError});
			} else {
				$(element).innerHTML = "Please type a domain into field";
			}
		}