/*******************************************************************************
*
*  Web Site  :  http://coolma.jp/
*  Modified  : 2007.2.8
*
*******************************************************************************/


/* image mouse roll over (onmouseover)
*******************************************************************************/
function swap(tg){
  var suf = tg.src;
  var suffix = suf.substring(suf.lastIndexOf('.'));
  var overSrc = suf.substring(0,suf.lastIndexOf('.')) + "-over" + suffix;
  tg.src = overSrc;
  tg.onmouseout = function(){
      tg.src = suf;
  }
}