function CollapsablePanel(clientID)
{
	this.clientID = clientID;
	this.panel = null;
	
	this.EnsurePanel = function()
	{
		if (this.panel == null)
		{
			this.panel = document.getElementById(this.clientID);
		}
	}
	
	this.TogglePanel = function()
	{
		this.EnsurePanel();
		
		if (this.panel.style.display == "")
		{
			this.panel.style.display = "none";
		}
		else
		{
			this.panel.style.display = "";
		}		
	}
}