function swap(id, imgsrc) {
 document.getElementById(id).setAttribute('src', 'img/' + imgsrc);
}
function setInputFocus(InputName) {
	var focusObject = document.getElementById(InputName);
	
	if (focusObject) {
		document.getElementById(InputName).focus();
	}
	else {
		//do nothing
	}
}
function CF(FieldName,ErrorText) {
	document.getElementById(FieldName).style.background='white';
	if (document.getElementById(FieldName).value == "") {
		missinginfo += "\n     -  " + ErrorText;
		document.getElementById(FieldName).style.background='yellow';
	}
}

function isEmail(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}