function createBookCategoryTreeview(){    
    
    tree = new YAHOO.widget.TreeView("book-category-tree");
    tree.singleNodeHighlight = true;
    tree.subscribe("clickEvent",tree.onEventToggleHighlight);
    tree.render();

    var node=tree.getNodeByProperty('selected',true);
    if(node) node.highlight();

	
}

//YAHOO.util.Event.onAvailable('book-category-tree',function(){
//    createBookCategoryTreeview();
//
//}
//);
$(document).ready(function() {
    createBookCategoryTreeview();
 }
);