function checkdata()
{
 var myform=window.document.reg1;
	if(myform.username.value.length<1)
	{
		alert("用户名为空");
		myform.username.focus();
		//event.returnValue = false;
		return false;
	}
	if(myform.inputPassword.value.length<1)
	{
		alert("密码为空");
		myform.inputPassword.focus();
		return false;
	}
	var inputPassword = myform.inputPassword.value;
 	var password  =  myform.password;
 	password.value = hex_md5(inputPassword);
	return true;
}
function che(){
	alert("复制已成功！");
}