function changePicture(pic,height,width) {
  // todo: parse height and width for blank

  document.getElementById('picture').src=pic
  document.getElementById('picture').height=height
  document.getElementById('picture').width=width
}


function changeText(tbeDiv,theText) {
  document.getElementById(tbeDiv).innerHTML = theText;
}

function makeVisible(tbeDiv){
	document.getElementById(tbeDiv).style.visibility="visible";
}

function makeInvisible(tbeDiv){
	document.getElementById(tbeDiv).style.visibility="hidden";
}