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 hideTable(){
 setElementVisibility(document.getElementById("myTable"), false, true);
}

function showTable(){
 setElementVisibility(document.getElementById("myTable"), true);
}