// toggleDiv
// code by Gabriel Vivas (gabssnake@yahoo.com || www.gabssnake.4t.com)
// open under GPL license


function toggleDiv(whichLayer) {
  var elem, vis;
  if( document.getElementById ) 				// standards
    elem = document.getElementById(whichLayer);
  else if( document.all ) 					// old msie
      elem = document.all[whichLayer];
  else if( document.layers ) 					// nn4
    elem = document.layers[whichLayer];
  vis = elem.style;
  // style.display = blank ?
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}





/*

.toggleDiv {
  margin: 0px 20px 0px 20px;
  display: none;
}


javascript:toggleDiv('div01');

<div class="toggleDiv" id="div01">
</div>

*/