function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function showHideSPFields(me){
	whichOpt = $(me).val();
	$('#div_valuePurchase').css('display', 'none');
	$('#div_valueSale').css('display', 'none');

	if (whichOpt == '1')	{
		$('#div_valuePurchase').css('display', 'block');
		$('#lbl_valuePurchase').text('Value of Purchase');
	}

	if (whichOpt == '2')	{
		$('#div_valueSale').css('display', 'block');
		$('#lbl_valuePurchase').text('Value of Purchase');
	}

	if (whichOpt == '3')	{
		$('#div_valuePurchase').css('display', 'block');
		$('#div_valueSale').css('display', 'block');
		$('#lbl_valuePurchase').text('Value of Purchase');
	}

	if (whichOpt == '4')	{
		$('#div_valuePurchase').css('display', 'block');
		$('#lbl_valuePurchase').text('Value of Property');
	}
}