// expand and collapse module version 1.00

var btnOpen = "/img/btn_open.gif";
var btnClose = "/img/btn_close.gif";

function minmax(mod, btn) {
  	var el = document.getElementById(mod);
  	var elBtn = document.getElementById(btn);
    
  	if ( el.style.display != "none" ) {
  		el.style.display = 'none';
  
  		elBtn.src = btnOpen;
  		elBtn.setAttribute("title", "Open");
  	}
  	else {
  		el.style.display = '';
  
  		elBtn.src = btnClose;
  		elBtn.setAttribute("title", "Close");
		}
}