var __content=document.getElementById("body");

var __sidebar=document.getElementById("bodyLeft");
var srTop;
var srBottom;
var oldPosX;
var oldPosY;

function initStickyAd(){
	//srTop=__content.offsetTop;
	srTop=0;
	srBottom=srTop+__content.offsetHeight-__sidebar.offsetHeight;
	if(__content.offsetHeight>__sidebar.offsetHeight){
		__sidebar.style.position="absolute";
		__sidebar.style.top=srTop+"px";
		//__sidebar.style.left=__content.offsetLeft+A+"px";
		posAdAbsolute();
	}else{
		__sidebar.style.position="static";
		__sidebar.style.top=0;
		__sidebar.style.left=0;
	}
}

function posAdAbsolute(){
	var A=(window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0);
	if(A!=oldPosY){
		if(A<srTop){
			__sidebar.style.top=srTop+"px";
		}else{
			if(A<srBottom){
				__sidebar.style.top=A+"px";
			}else{
				__sidebar.style.top=srBottom+"px";
			}
		}
		oldPosY=A;
	}
}

function posAdFixed(){}

if(__sidebar!=null){
	//initStickyAd();
	//document.onload=initStickyAd;
	try{
		if(isKonqueror){
			throw"Error";
		}
		//window.onscroll=posAdAbsolute;
	}catch(e){
		//window.setInterval(posAdAbsolute,50);
	}
	window.onresize=function(){
		oldPosY=null;
		initStickyAd();
	}
};