/* Correctly handle PNG transparency in Win IE 5.5 & 6. http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006. Use in with DEFER keyword wrapped in conditional comments: */ var arVersion = navigator.appVersion.split("MSIE") var version = parseFloat(arVersion[1]) function PNGswap(myID) { var strOver = "_on" var strOff = "_off" var oSpan = document.getElementById(myID) var currentAlphaImg = oSpan.filters(0).src if (currentAlphaImg.indexOf(strOver) != -1) oSpan.filters(0).src = currentAlphaImg.replace(strOver,strOff) else oSpan.filters(0).src = currentAlphaImg.replace(strOff,strOver) }