/* Author: Mihai Bazon, September 2002
 * http://students.infoiasi.ro/~mishoo
 *
 * Table Of Content generator
 * Version: 0.4
 *
 * Feel free to use this script under the terms of the GNU General Public
 * License, as long as you do not remove or alter this notice.
 */
 function H_getText(el){
 	var text="";
	for(var i=el.firstChild;i!=null;i=i.nextSibling){
		if(i.nodeType==3){
			text+=i.data;
		}else if(i.firstChild!=null){
			text+=H_getText(i);
		}
	}
	return text;
};

function getHeadlines(el){
	var l=new Array;
	var rx=/[hH]([1-6])/;
	var rec=function(el){
		for(var i=el.firstChild;i!=null;i=i.nextSibling){
			if(i.nodeType==1){
				if(rx.exec(i.tagName)&&!/ignore/.test(i.className)){
					l[l.length]={element:i,text:H_getText(i),level:parseInt(RegExp.$1)};
				}
				rec(i);
			}
		}
	};
	rec(el);
	return l;
};

function generate_TOC(parent){
	var prefix="";
	if(parent.hasChildNodes()&&parent.firstChild.nodeType==8){
		params=parent.firstChild.data;
		var rx=/base:(.*?)\s/;
		if(rx.exec(params))prefix=RegExp.$1;
	}
	var hs=getHeadlines(document.getElementsByTagName("body")[0]);
	for(var i=0;i<hs.length;++i){
		var hi=hs[i];
		var el=hi.element;
		if(hi.level<=3){
			var div=document.createElement("div");
			div.className="scrollTop";
			div.innerHTML="^ TOP ^";
			el.insertBefore(div,el.firstChild);
			div.className+=" pointer";
			div.title="Go to the top of the page";
			div.onclick=function(){scrollTo(0,0);};
			var oldColor;
			var oldBackground;
			div.onmouseover=function(){oldColor=this.style.color;oldBackground=this.style.background;this.style.color="#fff";this.style.background="#191975"};
			div.onmouseout=function(){this.style.color=oldColor;this.style.background=oldBackground};
		}
		var d=document.createElement("div");
		if(el.id=="")el.id="gen"+i;
		var a=document.createElement("a");
		a.href=prefix+"#"+el.id;
		a.appendChild(document.createTextNode(hi.text));
		d.appendChild(a);
		d.className="level"+hi.level;
		parent.appendChild(d);
	}
};