function doFormatPhone(phoneobj)
{
	// set form field where phone format should take place
	var gotphone = document.getElementById(phoneobj);

	gotphone.onblur = function()
	{
		formatPhone(this);
	}
}

/* Format phone number function */
function formatPhone(curPhone)
{
	curPhone.value = formatPhoneStr(curPhone.value);
}

/* Returns a formatted phone number */
function formatPhoneStr(phoneNumber)
{
	var tempPhone = phoneNumber.replace(/[^0-9xX]/g,"");

	tempPhone = tempPhone.replace(/[xX]/g,"x");

	var extension = "";

	if(tempPhone.indexOf("x") > -1)
	{
		extension = " "+tempPhone.substr(tempPhone.indexOf("x"));

		tempPhone = tempPhone.substr(0,tempPhone.indexOf("x"));
	}

	switch(tempPhone.length)
	{
		case(10):
			return tempPhone.replace(/(...)(...)(....)/g,"($1) $2-$3")+extension;
		case(11):
			if(tempPhone.substr(0,1) == "1")
			{
				return tempPhone.substr(1).replace(/(...)(...)(....)/g,"($1) $2-$3")+extension;
			}

			break;
		default:
	}

	return phoneNumber;
}