function setOpacity(obj,mode) 
{
	var opacity;
	var trans = 80;
	if (mode==1) {opacity = trans;}
	else {opacity = 100;}

	  opacity = (opacity == 100)?99.999:trans;
	  
	  // IE/Win
	  document.getElementById(obj).style.filter = "alpha(opacity:"+opacity+")";
	  
	  // Safari<1.2, Konqueror
	  document.getElementById(obj).style.KHTMLOpacity = opacity/100;
	  
	  // Older Mozilla and Firefox
	  document.getElementById(obj).style.MozOpacity = opacity/100;
	  
	  // Safari 1.2, newer Firefox and Mozilla, CSS3
	  document.getElementById(obj).style.opacity = opacity/100;
}