function nofollow(){
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  var child = '';
  for ( var ii=0; ii < anchors.length; ii++ ){
    var anchor = anchors[ii];
    //if ( anchor.getAttribute("href") && anchor.getAttribute("rel") == "nofollow" ){
      if ( anchor.getAttribute("className") == 'blank' || anchor.getAttribute("class") == 'blank'){
        anchor.target = "_blank";
        Prepare(anchors[ii]);
        child = '';
        child = anchors[ii].getElementsByTagName("img");
        if(child[0]){
          //alert(child[0]);
          child[0].removeAttribute("alt");
        }
      }
    //}
  }
}
function enableTooltips(id){
  var links,i,h;
  if(!document.getElementById || !document.getElementsByTagName) return;
  AddCss();
  h=document.createElement("span");
  h.id="btc";
  h.setAttribute("id","btc");
  h.style.position="absolute";
  document.getElementsByTagName("body")[0].appendChild(h);
  if(id==null){
    links=document.getElementsByTagName("area");
  } else {
    links=document.getElementById(id).getElementsByTagName("area");
  }
  for(i=0;i<links.length;i++){
    Prepare(links[i]);
    links[i].removeAttribute("alt");
  }
  if(id==null){
    links=document.getElementsByTagName("dfn");
  } else {
    links=document.getElementById(id).getElementsByTagName("dfn");
  }
  var child = '';
  for(i=0;i<links.length;i++){
    Prepare(links[i]);
    child = '';
    child = links[i].getElementsByTagName("img");
    if(child[0]){
      //alert(child[0]);
      child[0].removeAttribute("alt");
    }

  }
}

function Prepare(el){
var tooltip,t,b,s,l,r;
t=el.getAttribute("title");
if(t==null || t.length==0) t="link:";
el.removeAttribute("title");
tooltip=CreateEl("div","tooltip");
s=CreateEl("div","top");
tooltip.appendChild(s);
p=CreateEl("p","tex");
b=CreateEl("div","bottom");
br=CreateEl("br","brr");
l=el.getAttribute("cite");
r=el.getAttribute("rel");
s.appendChild(p);
if(t) p.appendChild(document.createTextNode(t));
if(t) p.appendChild(br);
if(l) p.appendChild(document.createTextNode(l));
if(l) p.appendChild(br);
if(r && r!='nofollow'){
  m=document.createElement("img","middle");
  m.setAttribute("src",r);
  m.setAttribute("width","100px");
  m.setAttribute("height","100px");
  m.setAttribute("border","0");
  m.setAttribute("margin-top","5px");
  p.appendChild(m);
}
tooltip.appendChild(b);
setOpacity(tooltip);
el.tooltip=tooltip;
el.onmouseover=showTooltip;
el.onmouseout=hideTooltip;
el.onmousemove=Locate;
}

function showTooltip(e){
document.getElementById("btc").appendChild(this.tooltip);
Locate(e);
}

function hideTooltip(e){
var d=document.getElementById("btc");
if(d.childNodes.length>0) d.removeChild(d.firstChild);
}

function setOpacity(el){
el.style.filter="alpha(opacity:95)";
el.style.KHTMLOpacity="0.95";
el.style.MozOpacity="0.95";
el.style.opacity="0.95";
}

function CreateEl(t,c){
var x=document.createElement(t);
x.className=c;
x.style.display="block";
return(x);
}

function AddCss(){
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","/css/bt.css");
l.setAttribute("media","screen");
document.getElementsByTagName("head")[0].appendChild(l);
}

function Locate(e){
var posx=0,posy=0;
if(e==null) e=window.event;
if(e.pageX || e.pageY){
    posx=e.pageX; posy=e.pageY;
    }
else if(e.clientX || e.clientY){
    if(document.documentElement.scrollTop){
        posx=e.clientX+document.documentElement.scrollLeft;
        posy=e.clientY+document.documentElement.scrollTop;
        }
    else{
        posx=e.clientX+document.body.scrollLeft;
        posy=e.clientY+document.body.scrollTop;
        }
    }
document.getElementById("btc").style.top=(posy+10)+"px";
document.getElementById("btc").style.left=(posx-100)+"px";
}
window.onload=function(){enableTooltips();nofollow()};