function validateLogin()
{
	if(obj.user_name.value == "")
	{
		alert("Please enter User ID.");
		obj.user_name.focus();
		return;
	}
	if(obj.password.value == "")
	{
		alert("Please enter Password.");
		obj.password.focus();
		return;
	}
	if(obj.user_type.selectedIndex == 0)
	{
		alert("Please choose User Type.");
		obj.user_type.focus();
		return;
	}	
	/*
    var inputs = document.getElementsByTagName('input');
	var i=0;
	var value;
	while(i<inputs.length)
	{
		if(inputs[i].type == 'text')
	  	{        
	  		if (inputs[i].name == '6_letters_code')
			{
				if(document.getElementById('6_letters_code').value == "")
				{
					alert("Please enter security code.");
					document.getElementById('6_letters_code').focus();
					return;
				}
			}
		}
		i++;
	}
    */
    
    if(obj.cap_code.value == "")
	{
		alert("Please Addition of Numbers");
		obj.cap_code.focus();
		return;
	}	
	
obj.salt_re.value = MD5(obj.salt.value + MD5(obj.password.value));
obj.password.value = ""; 	

//All okay???
obj.action = "index.php";
obj.submit();
}