var tString = "";

function checkLength()
{
    var max = 450;
	var h_textA = document.getElementById('g_message');
	
	var tLength = h_textA.value.length;
				
	if (tLength < (max-1))
	{
		document.getElementById('remaining_chars').innerHTML = (max - tLength) + " characters remaining";
	}
	else if (tLength == (max-1))
	{
		document.getElementById('remaining_chars').innerHTML = "1 character remaining";
	}
	else if (tLength == max)
	{
		tString = h_textA.value;
		document.getElementById('remaining_chars').innerHTML = "Max reached: 0 characters remaining";
	}
	else if (tLength > max)
	{
		h_textA.value = tString;
		document.getElementById('remaining_chars').innerHTML = "Max reached: 0 characters remaining";
	}
}