function tranp(element,percentage) {
 var i, mycounter, myStyle;

 if(document.getElementById) {

  if(typeof(element)=="object" && element) { obj=element; }
  else if (document.getElementsByName(element) && document.getElementsByName(element)[0]) { obj=document.getElementsByName(element); }
  else if (document.getElementById(element)) { obj=document.getElementById(element); }
  else if (document.getElementsByTagName && document.getElementsByTagName(element) && document.getElementsByTagName(element)[0]) { obj=document.getElementsByTagName(element); }
  else { obj=false; }

  if(obj) {
   percentage=(typeof(percentage)=="undefined")?50:100-percentage;
   mycounter=(obj.length)?obj.length:1;
   for(i=0;i<mycounter;i++) {
    myStyle=(obj.length)?obj[i].style:obj.style;
    myStyle.filter="Alpha(opacity="+percentage+")";
    myStyle.MozOpacity=""+percentage/100;
    myStyle.KTHMLOpacity=""+percentage/100;
    myStyle.opacity=""+percentage/100;
   }
  }

 }
}