function Checkform()
	{
		if(document.form2.user_id.value=="")
		{
			alert("请输入用户名！");
			document.form2.user_id.focus();
			return false;
		}
		if(document.form2.ps1.value == "")
		{
			alert("请输入密码！");
			document.form2.ps1.focus();
			return false;
		}
		if(document.form2.user_tel.value == "")
		{
			alert("请输入电话！");
			document.form2.user_tel.focus();
			return false;
		}
		if(document.form2.user_mail.value == "")
		{
			alert("请输入Email！");
			document.form2.user_mail.focus();
			return false;
		}
		if(document.form2.user_adds.value == "")
		{
			alert("请输入地址！");
			document.form2.user_adds.focus();
			return false;
		}

}