function pubmed_show(pmid){
  var div = $("pubmed_info");
  if( !div ){ return false; }

  Element.show(div);
  
  p = $("pubmed_text");
  p.innerHTML = "... getting abstract ... ";
  
  div.style.left = "60px";
  div.style.top  = (docYPos() + 20)+"px";
  
  var myAjax = new Ajax.Request(
    "modules/pubmed/ajax.php",
    {method: 'post', parameters: "pmid="+pmid, onComplete: pm_ajaxR}
  );
}

function pm_ajaxR(o){
  p = $("pubmed_text");
  if( p ){
    p.innerHTML = o.responseText;
  } else { 
    alert("o = "+o.responseText );
  }
}


function pubmed_close(){
  Element.hide($("pubmed_info"));
}

 
 function docWidth(){
   var w = document.body.offsetWidth;
   return w;
 }

function docYPos(){
  if( document.documentElement ){
    return document.documentElement.scrollTop;
  }
  if( document.body ){
    return document.body.scrollTop;
  }
  return window.pageYOffset;
}