This example shows you how to add link to a tree node.
Basically you can put any HTML string to tree node with single powerful Add() function.
span style="color: #ff0000;">"/KoolTreeView/kooltreeview.php""treeview");
$treeview->scriptFolder = $KoolControlsFolder."/KoolTreeView";
$treeview->imageFolder=$KoolControlsFolder."/KoolTreeView/icons";
$treeview->styleFolder="default""Link Node""xpNetwork.gif";
$treeview->Add("root","links","Links""square_blueS.gif","");
$treeview->Add("links","google","<a href='http://www.google.com' target='_blank'>Google.Com</a>""ball_glass_redS.gif","");
$treeview->Add("links","php","<a href='http://www.php.net' target='_blank'>PHP.Net</a>""ball_glass_redS.gif","");
$treeview->Add("links","koolphp","<a href='http://www.koolphp.net' target='_blank'>KoolPHP HomePage</a>""ball_glass_redS.gif","");
$treeview->Add("root","javascript","Javascript""square_greenS.gif","");
$treeview->Add("javascript","sayhello","<a href=\"javascript:alert('Hello world!')\">Say Hello</a>""triangle_redS.gif","""padding:10px;"