$("#left_column ul li ul, #left_column ul li ul li ul").hide();
if(lastnum!=0)  $("#menu_"+lastnum).show();
if(lastnum!=0 && lastsubsub!=0)  $("#menu_"+lastnum+"_"+lastsubsub).show();
if(lastnum!=0)
{
	$(document.getElementById("link_"+lastnum)).css("background-image", "url(images/box_blue.gif)");
	$(document.getElementById("link_"+lastnum)).css("color", "#279002");
}
if(lastnum!=0 && lastsubsub!=0)
{
	$(document.getElementById("link_"+lastnum+lastsubsub)).css("background-image", "url(images/box_blue.gif)");
	$(document.getElementById("link_"+lastnum+lastsubsub)).css("color", "#279002");
}
if(lastnum!=0 && lastsubsub!=0 && curpage!=0)
{
	$(document.getElementById("link_"+lastnum+lastsubsub+curpage)).css("background-image", "url(images/box_blue.gif)");
	$(document.getElementById("link_"+lastnum+lastsubsub+curpage)).css("color", "#279002");
}