function GetObjectById(argId)
{
 var tmpResult = null;
 if (document.layers)
 {
 tmpResult = document.layers[argId];
 }
 else if (document.all)
 {
 tmpResult = document.all[argId];
 }
 else if (document.getElementById)
 {
 tmpResult = document.getElementById(argId);
 }
 return tmpResult;
}
var tmpLastVisibleLi = null;

function ShowContent(argContentLiId)
{
   
	var tmpContentLi = GetObjectById(argContentLiId);

	if (tmpLastVisibleLi != null)
	{
		tmpLastVisibleLi.style.display = "none";
	}

	if (tmpLastVisibleLi != tmpContentLi)
	{
		tmpContentLi.style.display = "block";
		tmpLastVisibleLi = tmpContentLi;
	}
	else
	{
		tmpContentLi.style.display = "none";
		tmpLastVisibleLi = null;
	}
}