function clearText(thefield) {
  if (thefield.defaultValue==thefield.value) { thefield.value = "" }
} 
function replaceText(thefield) {
  if (thefield.value=="") { thefield.value = thefield.defaultValue }
}

function HideContent(d) { document.getElementById(d).style.display = "none"; } function ShowContent(d) { document.getElementById(d).style.display = "block"; } function ReverseDisplay(d) { if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; } else { document.getElementById(d).style.display = "none"; } }