function openRWin(url,x,y){
	if (document.all)
        var xMax = screen.width, yMax = screen.height;
    else
        if (document.layers)
            var xMax = window.outerWidth, yMax = window.outerHeight;
        else
            var xMax = 800, yMax=600;

    var xOffset = (xMax - x)/2, yOffset = (yMax - y)/2;
	i=window.open(url,'futureWin','width='+x+',height='+y+',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+',resizable=yes,status=no,scrollbars=yes');
	i.location.href=i.location.href
}

function swapImages(ImageName, NewImage)
              {

              /* test to see if the browser understands rollovers
              If it does swap one image for the other */

              if (document.images)
              {
              document[ImageName].src = NewImage;
              }
              }