function display_location(locationID, locationAddress){ 
  document.getElementById(locationID).style.visibility = "visible";
  document.getElementById(locationAddress).style.visibility = "visible";
}

function hide_location(locationID, locationAddress){
  document.getElementById(locationID).style.visibility = "hidden";
  document.getElementById(locationAddress).style.visibility = "hidden";
}

function randomImage(){
  document.write("<img src='../images/rotate/" + Math.floor(Math.random() * 8) + ".jpg' style='position:absolute;width:715px;height:190px;' />");
}

function clearInput(fieldID){
  document.getElementById(fieldID).value = "";
}

function defaultInput(fieldID){
  if(document.getElementById(fieldID).value == ""){
    document.getElementById(fieldID).value = "Have a question?";
  }
}