rem: img.style.filter = "progid:DXImageTransform.Microsoft" + ".Alpha(opacity=0)"; 
add: img.style.filter = "alpha(opacity=0)"; 
context: OpenLayers.Util.modifyAlphaImageDiv = function(div, id, px, sz, imgURL,                                                position, border, sizing,                                                opacity) {    OpenLayers.Util.modifyDOMElement(div, id, px, sz);    var img = div.childNodes[0];    if (imgURL) {        img.src = imgURL;    }    OpenLayers.Util.modifyDOMElement(img, div.id + "_innerImage", null, sz,                                      "relative", border);    if (opacity) {        div.style.opacity = opacity;        div.style.filter = 'alpha(opacity=' + (opacity * 100) + ')';    }        if (OpenLayers.Util.alphaHack()) {        div.style.display = "inline-block";        if (sizing == null) {            sizing = "scale";        }                div.style.filter = "progid:DXImageTransform.Microsoft" +                           ".AlphaImageLoader(src='" + img.src + "', " +                           "sizingMethod='" + sizing + "')";        if (div.style.opacity) {            div.style.filter += " alpha(opacity=" + div.style.opacity * 100 + ")";        }        img.style.filter = "progid:DXImageTransform.Microsoft" +                                ".Alpha(opacity=0)";    }};
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/a9b2a64bdcf4f3fb9f9f5f39b3aa4531fbc52319/Util.js/clean/lib/OpenLayers/Util.js