var argsBasic    = ",screenX=20,screenY=40,left=20,top=40";
var argsTools    = argsBasic + ",scrollbars=1,resizable=1,toolbar=1";
var argsLocation = argsTools + ",location=1";

function openPopup(url, name, width, height, args) {
   var argStr = "width=" + width + ",height=" + height + args;
   window.open(url, name, argStr);
}

function formCheck(thisVal, empty, varString) {
   if (thisVal == empty) {
      alert("You must select " + varString + " before you can continue.");
      return false;
   }
   return true;
}

function formCheckSubmit(formName, thisVal, empty, varString) {
   if (formCheck(thisVal, empty, varString) == false) {
      return false;
   }

   formName.submit();
   // not reached ?
   return true;
}

function showHelpDiv(helptext) {
   document.getElementById(helptext).style.visibility = "visible";
}

function hideHelpDiv(helptext) {
   document.getElementById(helptext).style.visibility = "hidden";
}
function showHelpDiv(helptext) {
   // hardcoded default 
   document.getElementById('helptextDefault').style.visibility = "hidden";
   document.getElementById(helptext).style.visibility = "visible";
}

function hideHelpDiv(helptext) {
   document.getElementById(helptext).style.visibility = "hidden";
   // hardcoded default 
   document.getElementById('helptextDefault').style.visibility = "visible";
}