function setElementVisibility(elementToSet, showItSwitch, keepPlacementSwitch){
 if (showItSwitch) {
   elementToSet.style.display = "inline";
   elementToSet.style.visibility = "visible";
 } else {
   if (keepPlacementSwitch) {
     elementToSet.style.display = "inline";
     elementToSet.style.visibility = "hidden";
   } else {
     elementToSet.style.display = "none";
   }
 }
}
function hideDiv(divName){
 setElementVisibility(document.getElementById(divName), false, true);
}

function removeDiv(divName){
 setElementVisibility(document.getElementById(divName), false, false);
}

function showDiv(divName){
 setElementVisibility(document.getElementById(divName), true);
}