// preload rollover images
imgRollover = new Array()
imgRolloff = new Array()
imgRollover[0] = new Image()
imgRolloff[0] = new Image()
for (i = 1; i <= 16; i++) {
  imgRollover[i] = new Image()
  imgRollover[i].src = "./Media/Images/Rollovers/roll_" + i + "a.gif"
  imgRolloff[i] = new Image()
  imgRolloff[i].src = "./Media/Images/Rollovers/roll_" + i + ".gif"
}

// rollover function
function Swap(intImage,objImage) {
  if (objImage.src.lastIndexOf("a.gif") == -1) objImage.src = imgRollover[intImage].src
  else objImage.src = imgRolloff[intImage].src
}

// On-submission error handling for empty form fields
objField = new Object()
var strErrMsg
function isEmpty(objField,strErrMsg) {
  if (objField.value == "") {
    alert(strErrMsg)
    objField.focus()
    return true
  }
  else return false
}

// Pop-up help function
function PopUpHelp(strRef) {
  javascript:window.open('/Help/popup_help.php#' + strRef,'rememberme','width=300,height=310')
}