var js_style = document.createElement('link');
js_style.rel = "stylesheet";
js_style.type = "text/css";
js_style.href = "includes/js_hide.css";

document.getElementsByTagName("head")[0].appendChild(js_style)

function switchHidden(object)
{
  var i;

  for (i=0; i<object.childNodes.length; i++)
    {
      if(object.childNodes[i].nodeType == 1) // Check if it an element node
	{
	  if(object.childNodes[i].className == "js_hidden")
	    object.childNodes[i].className = "";
	  else
	    object.childNodes[i].className = "js_hidden";
	}
    }
}