function init_php_file_tree() {
	if (!document.getElementsByTagName) return;
	
	var aMenus = document.getElementsByTagName("LI");
	for (var i = 0; i < aMenus.length; i++) {
		var mclass = aMenus[i].className;
		if (mclass.indexOf("pft-directory") > -1 ) {
			var submenu = aMenus[i].childNodes;
				for (var j = 0; j < submenu.length; j++) {
					if (submenu[j].tagName == "A") {
						submenu[j].onclick = function() {
							var node = this.nextSibling;
												
							while (1) {
								if (node != null) {
									if (node.tagName == "UL") {
										var d = (node.style.display == "none")
										node.style.display = (d) ? "block" : "none";
										this.className = (d) ? "open" : "closed";
										return false;
									}
									node = node.nextSibling;
								} else {
									return false;
								}
							}
							return false;
						}
						submenu[j].className = (mclass.indexOf("open") > -1) ? "open" : "closed";
						if (i==0)
						{
							submenu[i].className="open";
						}
						
	
					}
					
					if (i!=0)
					if (submenu[j].tagName == "UL")
						submenu[j].style.display = (mclass.indexOf("open") > -1) ? "block" : "none";
						
				}
		}
	}
}

window.onload = init_php_file_tree;