tftt = null;

function showTT(id) {
  tftt = document.getElementById("tt" + id);
  tfimg = document.getElementById("book" + id);
  tfimg.style.borderColor = "#ff263d";
  tftt.style.display = "block";
}

function hideTT() {
  tftt.style.display = "none";
  tfimg.style.borderColor = "#ededed";
}

function toggledisplay(id){
  if (document.getElementById) {
    var myDiv = document.getElementById('additional'+id);
		var myToggle = document.getElementById('toggle'+id);
		myDiv.style.display = (myDiv.style.display=='block'?'none':'block');
		myToggle.style.backgroundImage = (myDiv.style.display!='block'?'url(wordpress/wp-content/themes/barthelme/images/butt_plus.png)':'url(wordpress/wp-content/themes/barthelme/images/butt_minus.png)');
  }
}

function showSpan(id){
  if (document.getElementById) {
    var mySpan = document.getElementById(id);
	mySpan.style.display='block';
  }
}

function hideSpan(id){
  if (document.getElementById) {
    var mySpan = document.getElementById(id);
	mySpan.style.display='none';
  }
}