// TEMPO PER SCOMPARIRE IN SECONDI
var loaderTime = 0.5;

var loaderDecr = 100;
var loaderTimeNow = (loaderTime*100);
var loaderPosFun = 0;
function loaderElimina(obj){
	
	objset = document.getElementById(obj)
		
	if(navigator.appName=="Microsoft Internet Explorer" ){
		loaderDiminuisci(objset);
	}else if(navigator.appName=='Netscape'|| navigator.appName=="Opera"){
		loaderDiminuisci(objset);
	}else{
		objset.style.display = "none";
	}
}



function loaderDiminuisci(obj) {
	
	var funAr = functionAr.length
	loaderPosFun = funAr;
	functionAr[funAr] = function() {loaderDecremento(obj)}
	
}


function loaderDecremento(obj) {
	
	loaderTimeNow--
	
	var alphaValue = (loaderDecr/(loaderTime*50))*loaderTimeNow
	
	if(navigator.appName=="Microsoft Internet Explorer"){
		obj.style.filter = "alpha(opacity="+alphaValue+")" //aumento dell'alfa
		if(loaderTimeNow<=0){
			obj.style.display = "none";
			functionAr[loaderPosFun] = null;
		}
	}else if(navigator.appName=="Netscape"||navigator.appName=="Opera"){
		obj.style.opacity = (alphaValue/100)
		if(loaderTimeNow<=0){
			obj.style.display = "none"
			functionAr[loaderPosFun] = null;	
		}
	}
	
}