function loadPNG() {

    var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
    var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
    if (Number(rslt[1]) < 7.0) {
        for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
            if (itsAllGood && img.src.match(/\.png$/i) != null) {
                var src = img.src;
                img.style.width = img.width + "px";
                img.style.height = img.height + "px";
                img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
                img.src = "images/spacer.gif"; // change this to your own gif
            }
            img.style.visibility = "visible";
        }

        var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
        var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
        for (i = 0; i < document.all.length; i++) {
            var bg = document.all[i].currentStyle.backgroundImage;
            if (itsAllGood && bg) {
                if (bg.match(/\.png/i) != null) {
                    var mypng = bg.substring(5, bg.length - 2);
                    document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + mypng + "', sizingMethod='scale')";
                    document.all[i].style.backgroundImage = "url('images/spacer.gif')"; // change this to your own gif
                }
            }
        }

        //Máscara feita com DIV para ajudar a inserir links no menu quando a versão do browser for IE < 7
        document.getElementById('menuConteudo').style.display = "block";

    }
    
   /* document.getElementById('img1_home').style.display = "none";
    document.getElementById('img1_cia').style.display = "none";
    document.getElementById('img1_bloco').style.display = "none";
    document.getElementById('img1_midia').style.display = "none";
    document.getElementById('img2_midia').style.display = "none";*/

    
}