img#top_grey
{
z-index:0;
position:absolute;left:0px;
}

img#top
{
z-index:1;
position:absolute;left:0px;
filter:alpha(opacity=0);
-moz-opacity:0;
}

/* för att få transparent png i ie */
.header_box1 
{
z-index:3;
position:absolute;left:1px;top:69px;width:293px;height:23px;
/* Mozilla ignores crazy MS image filters, so it will skip the following */
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=scale src='logo.png');
}

/* IE ignores styles with [attributes], so it will skip the following. */
.header_box1[class] 
{
z-index:3;
position:absolute;left:1px;top:69px;width:293px;height:23px;
background-image:url(logo.png);
}