function displayToggle(id) {
  var el = document.getElementById(id).style;
  
  if(el.display == "block") {
    el.display = "none"; 
    for (i=0; i<document.getElementsByTagName("span").length; i++) {
    if (document.getElementsByTagName("span").item(i).className == "hidespan"){
      document.getElementsByTagName("span").item(i).style.display = "none";
    }
  }

 	} else if(el.display == "none") {

	    for (i=0; i<document.getElementsByTagName("span").length; i++) {
    if (document.getElementsByTagName("span").item(i).className == "hidespan"){
      document.getElementsByTagName("span").item(i).style.display = "none";
    }
  }
	    el.display = "block";

	}


	  
}