lick the button for the type of node (junction <img alt="_bm26" style="margin:0;width:0.2500in;height:0.2188in;border:none" src="_bm26.gif"/>, reservoir <img alt="_bm27" style="margin:0;width:0.2500in;height:0.2188in;border:none" src="_bm27.gif"/>, or tank <img alt="_bm28" style="margin:0;width:0.2500in;height:0.2188in;border:none" src="_bm28.gif"/> ) to add from the <a href="map_toolbar.htm" class="topiclink">Map Toolbar</a> if its not already depressed.</span></td></tr></table></div><div style="text-align