window.addEvent('domready', function() {
var tab = new Array();
tab[0]="_productdescription";
tab[1]="_productdata";
tab[2]="_productgallery";
tab[3]="_productrelated";
tab[4]="_productcomments";
tab[5]="_productd";

for(var i=0;i<=5;i++){
$$(".toggle"+tab[i]).addEvent("click", function(){
  for(var j=0;j<=5;j++){
    $$("#box"+tab[j]).hide();
  }
  var classn = $(this).className;
  $$("#box"+classn.substr(6,classn.length)).show();
  return false;
});
if(i>0){
  $$("#box"+tab[i]).hide();
  }
}
  $$(".addcomment").addEvent('click', function(){
    $$("#box"+tab[4]).show();
  });
});