var sdodo_tArr = new Array();
var sdodo_timer = 0;
var topPx = 50;
var purl = "http://pic.sdodo.com/sidegif/gif/6/cncy_p_decoration000646.gif";
var pw = 80;
var ph = 153;
var isScroll = "n";
var wside = "lr";

document.writeln("<style>.sdodo_side{position:absolute;z-index:100;text-align:center;overflow:hidden;padding:5px;top:"+topPx+";width:"+(pw+10)+";height:"+(ph+30)+";}.sdodo_side img{border:0px;margin-bottom:5px;}</style>");

if(wside=="lr" || wside=="l"){
	writeSide("sdodo_couplet_left","left");
	var lt = document.getElementById('sdodo_couplet_left');
	sdodo_tArr.push(lt);
}

if(wside=="lr" || wside=="r"){
	writeSide("sdodo_couplet_right","right");
	var rt = document.getElementById('sdodo_couplet_right');
	sdodo_tArr.push(rt);
}

sdodo_timer = setInterval("showCouplet()",20);

function writeSide(id,align){
	document.write("<div class=\"sdodo_side\" id=\""+id+"\" width=\"60\" align=\""+align+"\"><img src=\""+purl+"\"><br><a onclick=\"javascript:closeSide();return false;\" target=\"_self\" style=\"font-size:12px;cursor:hand;color:#CCC;text-decoration:none;\">¹Ø±Õ</a></div>");
}

function showCouplet(){
	if(document.body.offsetWidth>700){	
		for(var i in sdodo_tArr){
			sdodo_tArr[i].style.visibility='visible';
			if(sdodo_tArr[i]==lt){
				sdodo_tArr[i].style.left=5+'px';
			}else{
				sdodo_tArr[i].style.right=5+'px';
			}
			if(isScroll=="y"){
				var dy=(getPageScroll()+topPx-sdodo_tArr[i].offsetTop)*0.15;
				dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy));
				sdodo_tArr[i].style.top = sdodo_tArr[i].offsetTop+dy;
			}
		}
	}else{
		hiddenSide();
	}
}

function getPageScroll(){
  var yScroll;
  if (self.pageYOffset) {
    yScroll = self.pageYOffset;
  } else if (document.documentElement && document.documentElement.scrollTop){
    yScroll = document.documentElement.scrollTop;
  } else if (document.body) {
    yScroll = document.body.scrollTop;
  }
  return yScroll;
} 

function closeSide(){
	clearInterval(sdodo_timer);
	hiddenSide();
}

function hiddenSide(){
	for(var i in sdodo_tArr){
		sdodo_tArr[i].style.visibility='hidden';
		sdodo_tArr[i].style.visibility='hidden';
	}
}