Event.observe(window, 'load', send_ctrl, false);



function send_ctrl() {
	document.condition.onsubmit = function(e) {
		var mySelect = document.condition.id.selectedIndex; 
		if (mySelect < 0) {
			alert('症状と詳細を選択してください');
			return false;
		}

		var myData = document.condition.id.options[mySelect].value;
		if (myData == '0') {
			alert('症状と詳細を選択してください');
			return false;
		}
	}
}