function openwindow(url, height, width)
{
	win_width = width;
  	win_height= height;
    tempx=  (screen.availWidth/2)-(width/2);
    tempy=  (screen.availHeight/2)-(height/2);
    winstring='width='+ win_width + ',height='+ win_height + ',left='+tempx+',screenX='+tempx+',top='+tempy+',screenY='+tempy+',status=no,menubar=no,toolbar=no,resizable=yes,scrollbars=yes'; 	
		newsdetails=window.open(url, 'newsdetails', winstring);

  	newsdetails.focus();
}
function toggleLayer( whichLayer )
{
  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 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';
}