function showPaymentForm(option)
{
     document.getElementById('donate').style.display = 'none';
document.getElementById('check').style.display = 'none';
document.getElementById('paypal').style.display = 'none';

document.getElementById(option).style.display = '';
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function moveOnMax(field,nextFieldID){
  if(field.value.length >= field.maxLength){
    document.getElementById(nextFieldID).focus();
  }
}

function zipFormat(field){
  if(field.value.length == 5){
	field.value = field.value + "-"; 
  }
}