function Toggle(item) {
	   obj=document.getElementById(item);
	   visible=(obj.style.display!="none")  
	   if (visible) {
	     obj.style.display="none";
	   } else {
	      obj.style.display="block";
	   }
	}
	function ToggleInline(item) {
	   obj=document.getElementById(item);
	   visible=(obj.style.display!="none")  
	   if (visible) {
	     obj.style.display="none";
	   } else {
	      obj.style.display="inline";
	   }
	}
	function Show(item) {
	   obj=document.getElementById(item);
	   obj.style.display="block";
	}
	function ShowInline(item) {
	   obj=document.getElementById(item);
	   obj.style.display="inline";
	}
	function Hide(item) {
	   obj=document.getElementById(item);
	   obj.style.display="none";
	}
	
	function ToggleNight(item){
		return ToggleInline(item);
	}
	
	function ShowNightDetail(which){
		Hide(which+"_link");
		ShowInline(which+"_detail");
	}
	function HideNightDetail(which){
		ShowInline(which+"_link");
		Hide(which+"_detail");
	}
	function toggleFAQ(item){
		return ToggleInline(item);
	}