function Show_Disp(elementid)
	{
	document.getElementById(elementid).style.display = "block";
	}

function Hide_Disp(elementid)
	{
	document.getElementById(elementid).style.display = "none";
	}

function sortCases()
		{
		var Number = caseListing.length;
		for(var i = 0; i < Number; i++)
			{
			var caseName = caseListing[i];
			if(document.getElementsByName(caseName)[0])
				{
				for(var j = 0; j < 99; j++)
					{
					if(document.getElementsByName(caseName)[j])
						{
						var blurbFunction = 'insertBlurb("'+ caseName + '","' + j + '")';
						if(window.netscape)
							document.getElementsByName(caseName)[j].setAttribute("onMouseover",blurbFunction);
						else
							document.getElementsByName(caseName)[j].onmouseover = insertBlurbIE;
						}
					}
				}
			}
		}

function insertBlurbIE()
		{
		var Source = window.event.srcElement;
		var caseName = Source.name;
		for(var i=0;i<99;i++)
			{
			var allCases = document.getElementsByName(caseName)[i];
			if(allCases == Source)
				var Number = i;
			}
		insertBlurb(caseName,Number);
		}

function insertBlurb(Name,Number)
		{
		if(document.getElementById('Blurb'))
			removeBlurb();

		var Box = document.createElement("div");
		Box.setAttribute("id", "Blurb");

		var FormElement = document.createElement("form");
		var Close = document.createElement("button");
		Close.setAttribute("id","CloseButton");
		var Buttontext = document.createTextNode("Close");
		var Buttondiv = document.createElement("div");
		Buttondiv.appendChild(Buttontext);
		Close.appendChild(Buttondiv);
		FormElement.appendChild(Close);
		Box.appendChild(FormElement);


		if(caseDescriptions[Name][0] == "Tour")
			var blurbText = document.createTextNode(caseDescriptions[Name][1]);
		else
			var blurbText = document.createTextNode(caseDescriptions[Name]);

		Box.appendChild(blurbText);


		if(caseDescriptions[Name][0] == "Tour")
			{
			var Break = document.createElement("br");
			var TourText = document.createTextNode("For a guided tour on this case, click ");
			var LinkText = document.createTextNode("here");
			var Point = document.createTextNode(".");
			var TourLink = document.createElement("a");
			TourLink.setAttribute("id", "TourLnk");
			TourLink.appendChild(LinkText);
			Box.appendChild(Break);
			Box.appendChild(TourText);
			Box.appendChild(TourLink);
			Box.appendChild(Point);
			}

		var Target = document.getElementsByName(Name)[Number];
		Target.parentNode.appendChild(Box);

		if(document.getElementById("TourLnk"))
			document.getElementById("TourLnk").href = "javascript:guidedTour('../GuidedTours/" + caseDescriptions[Name][2] + "')";

		document.getElementById("CloseButton").onclick = removeBlurb;

		if(window.netscape)
			Box.setAttribute("class", "Blurb");
		else
			document.all.Blurb.className = "Blurb";
		}

function removeBlurb()
		{
		var Box = document.getElementById("Blurb");
		document.getElementById("Blurb").parentNode.removeChild(Box);
		}