var commandHistory;var historyIndex;function showExtendedDebug() {	if (debugWindow != null) {	  hideDebug();  }  	if (debugWindow == null) {	 	commandHistory = new Array();	 	historyIndex = 0;				debugWindow = new Window('debug_window', {className: 'dialog',width:250, height:100, right:4, minWidth:250, bottom:42, zIndex:1000, opacity:1, showEffect: Element.show, resizable: true, title: "Debug"})		debugWindow.getContent().innerHTML = "<style>#debug_window .dialog_content {background:#000;}</style> <div font='monaco' id='debug' style='padding:3px;color:#0F0;font-family:monaco'></div>";		//create hourglass icon and attach events to it.		var cont = "<div id=\"debug_window_inspect\" style=\"width: 15px; height: 15px; background: transparent url(themes/default/inspect.gif) no-repeat 0 0; position:absolute; top:5px; left:70px; cursor:pointer; z-index:3000;\"></div>";		new Insertion.After('debug_window_maximize', cont);		Event.observe('debug_window_inspect', 'click', enterInspectionMode, false);		//create command text box		cont = "Eval:<input id=\"debug_window_command\" type=\"textbox\" style=\"width:150px; height: 12px; color: black;\">"		debugWindow.setStatusBar(cont);		Event.observe('debug_window_command', 'mousedown', donothing);		Event.observe('debug_window_command', 'keypress', evalJS, false);	}	debugWindow.show();		}function donothing(evt){		Field.activate('debug_window_command');		return false;}function evalJS(evt){	if(evt.keyCode == Event.KEY_RETURN){		var js = $F('debug_window_command');		try{			var ret = eval(js);			if(ret != null)				debug(ret);		}catch(e){			debug(e);		}		$('debug_window_command').value = '';		Field.activate('debug_window_command');		commandHistory.push(js);		historyIndex = 0;	}	if(evt.keyCode == Event.KEY_UP){		if(commandHistory.length > historyIndex){			historyIndex++;			var js = commandHistory[commandHistory.length-historyIndex];			$('debug_window_command').value = js;			Event.stop(evt);			Field.activate('debug_window_command');		}	}	if(evt.keyCode == Event.KEY_DOWN){		if(commandHistory.length >= historyIndex && historyIndex > 1){			historyIndex--;			var js = commandHistory[commandHistory.length-historyIndex];			$('debug_window_command').value = js;			Event.stop(evt);			Field.activate('debug_window_command');		}	}	}function enterInspectionMode(evt){	//stop observing magnifying glass	Event.stopObserving('debug_window_inspect', 'click', enterInspectionMode, false);	//change pointer	document.body.style.cursor='help';	//start observing mouse clicks	Event.observe(window, 'click', inspectItem, false);		}function inspectItem(evt){	// the element that triggered the event	var element = Event.element(evt);	if(element.id!="debug_window_inspect"){		clearDebug()		//change pointer		document.body.style.cursor='default';		debug(element.id);		inspect(element);		//stop observing mouse clicks		Event.stopObserving(window, 'click', inspectItem, false);		//alert('doing something');		//start observing mag		Event.observe('debug_window_inspect', 'click', enterInspectionMode, false);	}}function clearDebug() {	var win = $('debug');	if (win == null)		return;			win.innerHTML=" ";	//clear inspections too	var divs = document.getElementsByClassName('inspector');	divs.each(function(div){		Element.remove(div);	});}