window.onload = function()
{
	var timer;
	var ookCell = document.getElementById("oneOfKindCell");
	var ookList = document.getElementById("oneOfKindList");
	
	function hide()
	{
		ookList.style.display = "none";
	}
	
	ookCell.onmouseover = function()
	{
		if(timer)
		{
			window.clearTimeout(timer);
			timer = null;
		}
		
		ookList.style.display = "block";
	}
	ookCell.onmouseout = function()
	{
		if(ookList.style.display == "block")
		{
			timer = window.setTimeout(hide, 500);
		}
	}
}