function checkradio( idName ) {
	var elem = document.getElementById(idName);
	var form1 = document.getElementById('form1');
	var form2 = document.getElementById('form2');
	var form3 = document.getElementById('form3');
	if(idName == "form1") {
		document.getElementById('query').naiyou[0].checked = true;
		form1.style.display = "";
		form2.style.display = "none";
		form3.style.display = "none";
	}
	if(idName == "form2") {
		document.getElementById('query').naiyou[1].checked = true;
		form1.style.display = "none";
		form2.style.display = "";
		form3.style.display = "none";
	}
	if(idName == "form3") {
		document.getElementById('query').naiyou[2].checked = true;
		form1.style.display = "none";
		form2.style.display = "none";
		form3.style.display = "";
	}



	var naiyou = document.getElementsByName("naiyou");
	for(var i=0;i<naiyou.length;i++) {
		if (naiyou[i].checked && naiyou[i].value == '1') {
			form1.style.display = "";
			form2.style.display = "none";
			form3.style.display = "none";
		}
		if (naiyou[i].checked && naiyou[i].value == '2') {
			form1.style.display = "none";
			form2.style.display = "";
			form3.style.display = "none";
		}
		if (naiyou[i].checked && naiyou[i].value == '3') {
			form1.style.display = "none";
			form2.style.display = "none";
			form3.style.display = "";
		}
	}
}