//function to open a new window and set attribute for that window	
	var newVideoWindow;
    function newWindow(url,descrip,width,height,resizable,titlebar,status,toolbar,scrollbars)
    {
            if(newVideoWindow!=null && !newVideoWindow.closed){ // if popUp has been opened, and popUp hasn't already been closed
            newVideoWindow.close() //close it in order to re-assign properties
            }
            
            newVideoWindow = window.open(url,descrip,"width="+width+",height="+height+",resizable="+resizable+",titlebar="+titlebar+",status="+status+",toolbar="+toolbar+",scrollbars="+scrollbars);
            newVideoWindow.focus();
    }

//function to show/hide elements on a page
function showAndHide(theId) {
   var el = document.getElementById(theId);
   var link = document.getElementById(theId + "_descrip");

   if (el.style.display=="none") {
      el.style.display="block"; //show element
      link.innerHTML = "[hide]";
   }
   else {
      el.style.display="none"; //hide element
      link.innerHTML = "see instructions";
   }
   return false;
}

//function to show/hide elements on a page
function showAndHide2(theId) {
   var el = document.getElementById(theId);
   //var video = document.getElementsByName

   if (el.style.display=="none") {
      el.style.display="block"; //show element
     
   }
   else {
      el.style.display="none"; //hide element
     
   }
   return false;
}