function expandSideNav(id)
{
	if (id != "empty") {
		var item = document.getElementById("section-empty");
		item.style.display="block";
		
		var idArray = id.split("-");
		var sectionString = "section-sn";
		for(var i = 1; i<idArray.length; i++) {
		    sectionString = sectionString + "-" + idArray[i];
		    
		    item = document.getElementById(sectionString);
		    if (item) {
		    	item.style.display="block";
		    }
		}
		
		highlightSideNav(id);
	}
}

function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}