/* left menu dropdown */

sfHover = function() {
    var sfEls = document.getElementById("nav").getElementsByTagName("li");
    for (var i=0; i<sfEls.length; i++) {
        sfEls[i].onmouseover=function() {
            this.className+=" sfhover";
        }
        sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
        }
    }
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

/*google analytics */

  var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-16645082-1']);
  _gaq.push(['_trackPageview']);

(function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();



/* script for getting full abstract, not working well enough */

function getfullabstract(str)
{
if (str.length==0)
  { 
  document.getElementById("getfullabstract").innerHTML="";
  return;
  }
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("getfullabstract").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","abstract.cfm?PubID="+str,true);
xmlhttp.send();
}