/*function showLayer( whichLayer, visible)
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
	elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
	  elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
	elem = document.layers[whichLayer];
  vis = elem.style;
  if(visible == null) {
	  // if the style.display value is blank we try to figure it out here
	  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';
	}
	else {
		vis.display = (visible==true)?'block':'none';
	}
}
function setLayer(whichLayer) {
	if(whichLayer.indexOf('find_company_div')!=-1) {
		showLayer(whichLayer,true);
		showLayer('plan_route_div',FALSE);
	}
	else {
		showLayer(whichLayer,true);
		showLayer('find_company_div',FALSE);
	}
}
*/