function show_content(sender, args)
{
	var i=0;
	
	var selected_list_item=find_owning_list_item(sender);
	var parent_list=selected_list_item.parentNode;
	var arr_list_item=parent_list.getElementsByTagName("LI");
	
	for(i=0; i<arr_list_item.length; i++)
	{
		arr_list_item[i].id="";
	}
	
	selected_list_item.id="current";
	
	for(i=0; i<arrContent.length; i++)
	{
		var divContent=document.getElementById(arrContent[i]);
				
		if(arrContent[i] == args)
		{
			divContent.style.display="block";
		}
		else
		{
			divContent.style.display="none";
		}
	}
}

function find_owning_list_item(element)
{
	var current_node = element;
	while(current_node.parentNode.nodeName != "LI")
	{
		current_node = current_node.parentNode;
	}
	return current_node.parentNode;
}