function checkLen(id, maxLen)
{
	obj = document.getElementById(id);
	
	if(obj.value.length > maxLen)
	{
		  obj.value=obj.value.substring(0, maxLen);
	}
}

function getLen(idInput, idOutput, maxLen)
{
	objInput = document.getElementById(idInput);
	objOutput = document.getElementById(idOutput);
	
	objOutput.innerHTML = objInput.value.length + "/" + maxLen;
}