var helpHref = location.pathname;
if(helpHref.indexOf('help3.shtml')>-1||helpHref.indexOf('help4.shtml')>-1){
	var helpAnchor = location.hash.substring(1);
	if(helpAnchor && helpAnchor.indexOf('_')>-1){ctrlContent(null,helpAnchor);}
}
function ctrlContent(obj,sSubAnchor){
	if(obj){
		oDd = obj.parentNode.nextSibling;
		if(oDd.style.display=='block'){oDd.style.display='none';}
		else{oDd.style.display='block';}
	}else{$(sSubAnchor).nextSibling.style.display = 'block';}
}
function ctrlNav(n){
	var aDts = $A($('nav').getElementsByTagName('dt'));
	aDts[n].className = 'show';
	aDts[n].nextSibling.className = 'show';
	aDts.each(function(oDt){
		oDt.onclick = function(){
			var oDd = oDt.nextSibling;
			if(oDd.className=='show'){
				oDt.className = '';
				oDd.className = '';
			}else{
				oDt.className = 'show';
				oDd.className = 'show';
			}
		}
	});
}