<!--
//Copyright 1998. ZYX Productions. All rights reserved.
//**开始编码**
function check_value(){
	var usernamelength;
	var usernameevalue;
	usernamevalue=document.myform.username.value.toLowerCase();
	usernamelength=document.myform.username.value.length;
	if(usernamelength<4 || usernamelength>15)
	{
		alert("Member account must be: \ n4 ~ 15 letters or numbers")
		document.myform.username.focus();
		return false;
	}

	for(var i=0;i<usernamelength;i++)
	{
		if((usernamevalue.substring(i,i+1)<"a" || usernamevalue.substring(i,i+1)>"z") && (usernamevalue.substring(i,i+1)<"0" || usernamevalue.substring(i,i+1)>"9") )
		{
			alert("Member account of your characters contain errors");
			document.myform.username.select();
			return false;
		}
	}
	//-------------------------------------
	var passwordlength;
	var passwordvalue;
	passwordvalue=document.myform.password.value.toLowerCase();
	passwordlength=document.myform.password.value.length;
	if(passwordlength<4 || passwordlength>15)
	{
		alert("Password must be: \ n4 ~ 15 numbers, or letters")
		document.myform.password.select();
		return false;
	}

	for(var i=0;i<passwordlength;i++)
	{
		if((passwordvalue.substring(i,i+1)<"a" || passwordvalue.substring(i,i+1)>"z") && (passwordvalue.substring(i,i+1)<"0" || passwordvalue.substring(i,i+1)>"9") )
		{
			alert("Your password contain errors characters");
			document.myform.password.select();
			return false;
		}
	}
	//-------------------------------------
	if(document.myform.name.value.length<2)
	{
		alert("Please enter your name");
		document.myform.name.focus();
		return false;
	}
	//--------------------------------------
	if(document.myform.email.value=="")
	{
		alert("Please enter your e-mail address");
		document.myform.email.focus();
		return false;
	}
	if(document.myform.email.value.indexOf("@")<3)
	{
		alert("E-mail address error");
		document.myform.email.focus();
		return false;
	}
	//-------------------------------------
	if(document.myform.telephone.value=="")
	{
		alert("Please enter your phone number");
		document.myform.telephone.focus();
		return false;
	}
	//-------------------------------------
	if(document.myform.address.value=="")
	{
		alert("Please enter your address");
		document.myform.address.focus();
		return false;
	}
	//-------------------------------------
	if(document.myform.zipcode.value=="")
	{
		alert("Please enter a zip code");
		document.myform.zipcode.focus();
		return false;
	}
	if (isNaN(document.myform.zipcode.value))
	{
		alert("Zip code must be six figures")
		document.myform.zipcode.focus();
		return false;
	}
	//-------------------------------------
	document.myform.submit();
	return true;
}
//-->