21.2.1. The index of available collections
 
There are three buttons on the top, that allow to change a panel width which
	presents the index. There is a list below the buttons which allows to select
	a kind of collection, that we want to see. You can choose current collections, obsolete
	collections, that aren't updated or all available collections. There is an option
	below the kinds of collections which allows to select if the list shows variables
	for a given graph or not. If you select an option to show a list of accessible variables,
	for each graph a list with accessible variables, that we want to show on the graph, will
	be avaiable.
	
	Below the list, a selection of type devices 
	is located. Next, the edited field is located, that allows you to 
	entry a searching string in collections according to criterions 
	selected above. The items, that are located below, are depended 
	on a context of work index.
	
Three work contexts are accessible: browsing, searching 
	out and an edition of selected data. The browsing is that you 
	click on links of collection groups (they're often device 
	equivalents). The searching lets you find needed data quickly. 
	Passages between modes are very smooth and natural. On each 
	stage you can select interesting data for you. During different 
	operations previous selected data will be showed as selected to 
	show. If you want to see all selected data, you must go to the 
	edition mode clicking on the button 
        
.
	Newly selected data are remembered during a running search or through pressing any of 
	four buttons on the bottom toolbar.
	
21.2.1.1. The toolbar buttons
 
Meaning of particular buttons is as follows:
	        
 
21.2.1.2. Displayed data parameters
 
There are 5 fields allowing you to select what kind of graphs will 
		be shown (hourly, daily, weekly, monthly or yearly). You can select graph 
		sizes that will be drown and time, that will be visible in the middle of the graph.
	        
 
 
21.2.2. The view of collection graphs
 
There is a toolbar with buttons relating to all visible graphs 
		in this part. Meaning of particular buttons is as follows:
	        
Each graphs has additional navigational buttons that let you move after 
	    time scale. The buttons work separately for each graph.