var clear="Scripts/clear.gif" //path to clear.gif

pngfix=function()
{
    var el = document.getElementById('transparente');
    var es=el.style;
    if(el.src&&el.src.match(/\.png/i)&&es.filter==''){
      el.height=el.height;
      el.width=el.width;
      es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+el.src+"',sizingMethod='crop')";
      el.src=clear;
    }else{
      var elb=el.currentStyle.backgroundImage;
      if(elb.match(/\.png/i)){
        var path=elb.split('"');
        var rep=(el.currentStyle.backgroundRepeat=='no-repeat')?'crop':'scale';
        es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+path[1]+"',sizingMethod='"+rep+"')";
        es.height=el.clientHeight+'px';
        es.backgroundImage="none";
      }
    }
    if(el.currentStyle.position!='absolute'&&!es.filter&&!el.tagName.match(/(body|html|script)/gi))es.position="relative";
    if(es.filter&&el.currentStyle.position=="relative")es.position="static";
}
window.attachEvent('onload',pngfix);

pngfix2=function()
{
    var el = document.getElementById('transparente2');
    var es=el.style;
    if(el.src&&el.src.match(/\.png/i)&&es.filter==''){
      el.height=el.height;
      el.width=el.width;
      es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+el.src+"',sizingMethod='crop')";
      el.src=clear;
    }else{
      var elb=el.currentStyle.backgroundImage;
      if(elb.match(/\.png/i)){
        var path=elb.split('"');
        var rep=(el.currentStyle.backgroundRepeat=='no-repeat')?'crop':'scale';
        es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+path[1]+"',sizingMethod='"+rep+"')";
        es.height=el.clientHeight+'px';
        es.backgroundImage="none";
      }
    }
    if(el.currentStyle.position!='absolute'&&!es.filter&&!el.tagName.match(/(body|html|script)/gi))es.position="relative";
    if(es.filter&&el.currentStyle.position=="relative")es.position="static";
}
window.attachEvent('onload',pngfix2);