function showDesc(infro) {
	var text = infro.getAttribute("desc");
	var description = document.getElementById("supportInfo");
	description.firstChild.nodeValue = text;
  document.getElementById("supportInfo").style.display = 'block';	
}

function hideDesc(infro) {
	var text = '';
	var description = document.getElementById("supportInfo");
	description.firstChild.nodeValue = text;
  document.getElementById("supportInfo").style.display = 'none';	
}

function showContent(idToDisplay) {
	var id = idToDisplay;
  document.getElementById(id).style.display = 'block';	
  document.getElementById("border").style.display = 'block';
}

function hideContent(idToDisplay) {
	var id = idToDisplay;	
  document.getElementById(id).style.display = 'none';
  if(id == 'border') {
		document.getElementById("border").style.display = 'none';
  } else {
	  var one = document.getElementById("one").style.display;
	  var two = document.getElementById("two").style.display;
	  var three = document.getElementById("three").style.display;
	  var four = document.getElementById("four").style.display;
	
	  if(one == 'none' && two == 'none' && three == 'none' && four == 'none') {
		  document.getElementById("border").style.display = 'none';
	  }
  }
}