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) && (version < 7) && (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; 
            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;
         }
      }
   }    
}
try {
	window.attachEvent("onload", correctPNG);

} catch (ex) {}
///////////////////////////////////////////////////////




function writeCookie(cname, cvalue, expiredays) {
	var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=cname+ "=" +escape(cvalue)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
 alert(getCookie(cname));
}

function getCookie(sName)
{
  // cookies are separated by semicolons
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++)
  {
    // a name/value pair (a crumb) is separated by an equal sign
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0]) 
      return unescape(aCrumb[1]);
  }
  // a cookie with the requested name does not exist
  
  return null;
}
function delCookie(cname,expiredays){
  	var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=cname+ "=;"+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
  
  alert(getCookie(cname));
}
///////////////////////////
// duplicates m$ excel's ceiling function