function mySwtich(id, td){
	var tr = document.getElementById(id) ;
	if(tr.style.display == ''){
		tr.style.display = 'none' ;
		var texto = td.innerHTML.split("|");
		var aden=td.innerHTML;
		if (aden.indexOf('class',0)>0){
			td.innerHTML="<li><font class='label'>+ | " + texto[1] +"</font></li>";
		}
		else{
			td.innerHTML="+| " + texto[1]
		}
		
	}else{
		tr.style.display = '' ;
		var texto = td.innerHTML.split("|");
		var aden=td.innerHTML;
		if (aden.indexOf('class',0)>0){
			td.innerHTML=" <li><font class='label'>- | " + texto[1]+"</font></li>";
		}
		else{
			td.innerHTML="-| "+ texto[1]
		}
	}
}

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filter)) 
   {
      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 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}