el codigo que tengo hasta el momento me permite solo el roll over con transparencia, solo faltaria agregar el 3 estado
aqui esta la pagina businesscardspronto(dot)com/bcpronto_website/prueba2(dot)html
Código:
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
<style type="text/css">
<!--
.btn {
float: left;
height: 44px;
width: 109px;
left: 50px;
top: 5px;
}
.btn2 {
float: left;
height: 44px;
width: 109px;
left: 171px;
top: 5px;
}
body {
background-color: #003366;
background-image: url(images/bg-body.gif);
background-repeat: repeat-x;
}
#nav {
margin: auto;
height: auto;
width: 800px;
position: relative;
}
.buttons {
margin: auto;
height: auto;
width: 800px;
}
#nav #navbar {
height: 50px;
width: 250px;
position: absolute;
top: 120px;
left: 115px;
}
-->
</style>
<!--[if lt IE 7]>
<script type="text/javascript">
var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])
function correctPNG() // correctly handle PNG transparency in Win IE 5.5 and 6.
{
if ((version >= 5.5) && (document.body.filters))
{
for(var i=0; i<document.images.length; i++)
{
var img = document.images[i]
var imgName = img.src.toUpperCase()
if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
{
var imgID = (img.id) ? "id='" + img.id + "' " : ""
var imgClass = (img.className) ? "class='" + img.className + "' " : ""
var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
var imgStyle = "display:inline-block;" + img.style.cssText
var imgAttribs = img.attributes;
for (var j=0; j<imgAttribs.length; j++)
{
var imgAttrib = imgAttribs[j];
if (imgAttrib.nodeName == "align")
{
if (imgAttrib.nodeValue == "left") imgStyle = "float:left;" + imgStyle
if (imgAttrib.nodeValue == "right") imgStyle = "float:right;" + imgStyle
break
}
}
var strNewHTML = "<span " + imgID + imgClass + imgTitle
strNewHTML += " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
strNewHTML += "(src='" + img.src + "', sizingMethod='scale');\""
strNewHTML += " onmouseover=\"PNGswap('" + img.id + "');\" onmouseout=\"PNGswap('" + img.id +"');\" onmousedown=\"PNGswap('" + img.id +"');\""
strNewHTML += "></span>"
img.outerHTML = strNewHTML
i = i-1
}
}
}
}
window.attachEvent("onload", correctPNG);
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)
}
</script>
<![endif]-->
<script language="JavaScript" type="text/javascript">
<!--
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)
}
//-->
</script>
</head>
<body style="background-color: #0000FF">
<div class="btns" id="nav">
<div id="navbar">
<div class="btn"><a href="#"><img src="images/bttn01_off.png" name="btn" width="109" height="44" border="0" id="btn" onmouseover="imgSwap(this)" onmouseout="imgSwap(this)" /></a></div>
<div class="btn2"><a href="#"><img src="images/bttn01_off.png" name="btn2" width="109" height="44" border="0" id="btn2" onmouseover="imgSwap(this)" onmouseout="imgSwap(this)" /></a></div>
</div>
<img src="images/upperbanner.png" name="banner" width="780" height="178" id="banner" /></div>
<!--barra roja-->
<div class="buttons"><img src="images/barraestado.png" name="barra" width="790" height="80" id="barra" /></div>
</body>
</html>
