<!--
function imgSwap(oImg)
{
   var strOver  = "_on"    // image to be used with mouse over
   var strOff = "_off"     // normal image
   var strImg = oImg.src
   if (strImg.indexOf(strOver) != -1) 
      oImg.src = strImg.replace(strOver,strOff)
   else
      oImg.src = strImg.replace(strOff,strOver)
}
/*
function buttonRollover(whichOne){
var theImage = whichOne;
var imgurl="../images/portfolio/"+theImage+"R.png";
var imgSwap = document.getElementById(theImage);
imgSwap.src=imgurl;
}
function buttonRollout(whichOne){
var theImage = whichOne;
var imgurl="../images/portfolio/"+theImage+".png";
var imgSwap = document.getElementById(theImage);
imgSwap.src=imgurl;
}
*/
//-->