function showonlyone(thechosenone) {
    var cfyr = document.getElementsByTagName("div");

    for (var x=0; x<cfyr.length; x++) {

                 title = cfyr[x].getAttribute("title");

                  if (title == 'cfyr') {

                        if (cfyr[x].id == thechosenone) {

				if (cfyr[x].style.display == 'block') {
				    cfyr[x].style.display = 'none'
			       }
				else
	                            cfyr[x].style.display = 'block';

	                      }
                  else {

	                            cfyr[x].style.display = 'none';
 
            	         }

            }

      }

}