function registSubmit()
{
	var error = 0;
	// check username
	if(Obj('cus_username') != undefined)
	{
		if(Obj('cus_username').value == "")
		{
			Obj('err_username').innerHTML = "*";
			error++;
		}
		else
		{
			if(Obj('cus_username').value.length < 4)
			{
				alert("Please Input Username More Than 4 Character");
				error++;
			}
			Obj('err_username').innerHTML = "&nbsp;";	
		}
	}
	// check password pre
	if(Obj('cus_pass_pre').value == "")
	{
		Obj('err_pass_pre').innerHTML = "*";
		error++;
	}
	else
	{
		if(Obj('cus_pass_pre').value.length < 4)
		{
			alert("Please Input Password More Than 4 Character");
			error++;
		}
		Obj('err_pass_pre').innerHTML = "&nbsp;";
	}
	// check password post
	if(Obj('cus_pass_post').value == "")
	{
		Obj('err_pass_post').innerHTML = "*";
		error++;
	}
	else
	{
		if(Obj('cus_pass_post').value.length < 4)
		{
			error++;
			alert("Please Input Confirm Password More Than 4 Character");
		}
		Obj('err_pass_post').innerHTML = "&nbsp;";	
	}
	// check fname
	if(Obj('cus_fname').value == "")
	{
		Obj('err_fname').innerHTML = "*";
		error++;
	}
	else
	{
		Obj('err_fname').innerHTML = "&nbsp;";	
	}
	// check lname
	if(Obj('cus_lname').value == "")
	{
		Obj('err_lname').innerHTML = "*";
		error++;
	}
	else
	{
		Obj('err_lname').innerHTML = "&nbsp;";	
	}
	// check email
	if(Obj('cus_email').value == "")
	{
		Obj('err_email').innerHTML = "*";
		error++;
	}
	else
	{
		Obj('err_email').innerHTML = "&nbsp;";	
	}
	
	if(error > 0)
		return;
		
	if(Obj('cus_pass_pre').value != Obj('cus_pass_post').value)
	{
		alert('Password Not Match');
		return;
	}
	//alert('asdf');
	
	Obj('form_regist').submit();
}
function registReset()
{
	Obj('err_email').innerHTML = "&nbsp;";	
	Obj('err_fname').innerHTML = "&nbsp;";
	Obj('err_lname').innerHTML = "&nbsp;";
	Obj('err_email').innerHTML = "&nbsp;";
	if(Obj('err_username') != undefined)
		Obj('err_username').innerHTML = "&nbsp;";
	Obj('err_pass_pre').innerHTML = "&nbsp;";
	Obj('err_pass_post').innerHTML = "&nbsp;";
	
	Obj('form_regist').reset();
}
function keyNumber(e)
{
	var keyPressed;
   
	if(window.event)
	{
		keyPressed = window.event.keyCode; // IE
		if(keyPressed == 8);	
		else if ((keyPressed < 45) || (keyPressed > 57))
			window.event.returnValue = false;
	}
	else
	{
		keyPressed = e.which; // Firefox   
		if(keyPressed == 8);	
		else if ((keyPressed < 45) || (keyPressed > 57) || (keyPressed == 8))
			keyPressed = e.preventDefault();
	}
}
function Obj(obj)
{
	return document.getElementById(obj);
}