// This file is intended to implement the functions of hiding and revealing content descriptions of links on demand.
//
// hide all descriptions, then reveal one description
//   test three parameters, 
function hideandreveal(descName,descNumber,numDescriptions){
// initialize loopNum to one
 var loopNum = 1;
//       loop through 1 thru numDescriptions
 while (loopNum <= numDescriptions) {
//
	document.getElementById(descName + loopNum).style.display = "none";
	loopNum = loopNum + 1;
	}
 document.getElementById(descName + descNumber).style.display = "block"; 
}
//hide content by description number
function hide(descNumber, linkNumber){
	document.getElementById(descNumber).style.display = "none";
	document.getElementById(linkNumber).style.display = "block";
}
//reveal content by description number
function reveal(descNumber, linkNumber){
	document.getElementById(descNumber).style.display = "block";
	document.getElementById(linkNumber).style.display = "none";
}