document.pla= new Array();
if (navigator.userAgent.indexOf("MSIE") != -1) {
	var isIE = true ;
} else {
	var isIE = false;
}


function SettaAlpha() {
		for (i=1; i<10;  i++) {
			CambiaAlpha('sCat0'+i,60);
		}	
}


function CambiaAlpha(id,value) {
	if (isIE) {
		document.getElementById(id).style.filter = 'Alpha(Opacity=' + value + ')';
	} else {
		opacity = '0.' + value;
		if (value<10) opacity='0.0' + value;
		if (value==100) opacity='1.00';
		document.getElementById(id).style.opacity = opacity;
		
	}
}