function lTrim(sString) 
{
	while (sString.substring(0, 1) == " ")
		sString = sString.substring(1, sString.length);

	return sString;
}

function rTrim(sString) 
{
	while (sString.substring(sString.length - 1, sString.length) == " ")
		sString = sString.substring(0, sString.length - 1);
		
	return sString;
}

function trim(sString) 
{
	return lTrim(rTrim(sString));
}