Transparent PNG Fix for IE6

transparent-png.css

.bg {  
    width:200px;  
    height:100px;  
    background: url(/folder/yourimage.png) no-repeat;  
    _background:none;  
    _filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/folder/yourimage.png',sizingMethod='crop');  
}  
  
  
/* 1px gif method */  
img, .png {  
    position: relative;  
    behavior: expression((this.runtimeStyle.behavior="none")&&(this.pngSet?this.pngSet=true:(this.nodeName == "IMG" && this.src.toLowerCase().indexOf('.png')>-1?(this.runtimeStyle.backgroundImage = "none",  
       this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.src + "', sizingMethod='image')",  
       this.src = "images/transparent.gif"):(this.origBg = this.origBg? this.origBg :this.currentStyle.backgroundImage.toString().replace('url("','').replace('")',''),  
       this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.origBg + "', sizingMethod='crop')",  
       this.runtimeStyle.backgroundImage = "none")),this.pngSet=true));  
}