<!--
function imgSwap(oImg)
{
	extArray = oImg.src.split(".");
	extLen = extArray.length - 1
	extension = extArray[extLen]
	
   var strOver  = "_o."  + extension  // image to be used with mouse over
   var strOff = "." + extension     // normal image
   var strImg = oImg.src
   if (strImg.indexOf(strOver) != -1) 
      oImg.src = strImg.replace(strOver,strOff)
   else
      oImg.src = strImg.replace(strOff,strOver)

}
//-->