function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

/*
addLoadEvent(nameOfSomeFunctionToRunOnPageLoad);
addLoadEvent(function() {
  // more code to run on page load
});
*/





function mark_current() {
	hyperlinks = document.getElementsByTagName('a');

  for (i = 0; i < hyperlinks.length; i++) {
  	if (hyperlinks[i].href == top.location.href) {
			//alert(hyperlinks[i].href);
  		if (hyperlinks[i].className == '') hyperlinks[i].className = 'current';
  		else hyperlinks[i].className+= ' current';
  	}	
  }
}


addLoadEvent(mark_current);