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

	setOpacity("header_xbox", 45);
	setOpacity("header_ps2", 45);
	setOpacity("header_pc", 45);
	setOpacity("header_playstation", 45);
	setOpacity("header_psp", 45);