var currenttab = "";
var hovertab = "";
var loaded = false;


function showSection(section) {
    if (!section) return;
    if(section==currenttab) {
       document.getElementById("tab-"+currenttab).className="";
       document.getElementById("holder-"+currenttab).style.display="none";
       document.getElementById("tab-"+currenttab).href="##";
       currenttab=""; return;
     }
     
     if(currenttab!="") {
       document.getElementById("holder-"+currenttab).style.display="none";
       document.getElementById("tab-"+currenttab).className="";
     }

     document.getElementById("tab-"+section).className="current";
     document.getElementById("tab-"+section).href="#"+section;
     document.getElementById("holder-"+section).style.display="block";
     currenttab = section;
}