var Pic_1 = new Array(); // Array di immagini
var Pic_2 = new Array(); // Array di immagini
var Pic_3 = new Array(); // Array di immagini
var Pic_4 = new Array(); // Array di immagini

var pos_1 = 0; // Posizione corrente per il caricamento
var pos_2 = 0; // Posizione corrente per il caricamento
var pos_3 = 0; // Posizione corrente per il caricamento
var pos_4 = 0; // Posizione corrente per il caricamento


var waitTime = 3500; // Timeout prima della dissolvenza

var j_1 = 0; // Posizione corrente per la visualizzazione
var j_2 = 0; // Posizione corrente per la visualizzazione
var j_3 = 0; // Posizione corrente per la visualizzazione
var j_4 = 0; // Posizione corrente per la visualizzazione


//////////////////// _1 /////////////////
//*
function addSlide_1(slidePath_1) {

	Pic_1[ pos_1 ] = slidePath_1;

	pos_1 += 1;

	// Precarico le immagini

	var preLoad_1 = new Image();

	preLoad_1.src = slidePath_1;

}

function fadeIn_1(objId_1,opacity_1) {

	if (document.getElementById) {

		obj_1 = document.getElementById(objId_1);

		if (opacity_1 <= 100) {

			setopacity_1(obj_1, opacity_1);

			opacity_1 += 10;

			window.setTimeout("fadeIn_1('"+objId_1+"',"+opacity_1+")", 180);

		} else {

			// Comincio la dissolvenza dopo 5000 millisecondi

			sleep_1(waitTime, objId_1, 110);

		}
	}
}

function fadeOut_1(objId_1,opacity_1) {

	if (document.getElementById) {

		obj_1 = document.getElementById(objId_1);

		if (opacity_1 >= 10) {

			setopacity_1(obj_1, opacity_1);

			opacity_1 -= 10;

			window.setTimeout("fadeOut_1('"+objId_1+"',"+opacity_1+")", 160);

		} else {

			// Comincio subito a far comparire l'immagine successiva

			j_1 = j_1 + 1;

			if (j_1 > (Pic_1.length-1)) j_1=0;

			obj_1.src = Pic_1[ j_1 ];

			setopacity_1(obj_1, 0);

			window.setTimeout("fadeIn_1('"+objId_1+"',"+opacity_1+")", 0);

		}

	}

}

function sleep_1(millis, objId_1, opacity_1) {

    setTimeout("fadeOut_1('"+objId_1+"',"+opacity_1+")", millis);

}

function setopacity_1(obj_1, opacity_1) {

	opacity_1 = (opacity_1 == 100)?99.999:opacity_1;

	// IE/Win

	obj_1.style.filter = "alpha(opacity:"+opacity_1+")";

	// Safari<1.2, Konqueror

	obj_1.style.KHTMLOpacity = opacity_1/140;

	// Older Mozilla and Firefox

	obj_1.style.MozOpacity = opacity_1/100;

	// Safari 1.2, newer Firefox and Mozilla, CSS3

	obj_1.style.opacity = opacity_1/100;

}

//////////////////// _2 /////////////////
//*
function addSlide_2(slidePath_2) {

	Pic_2[ pos_2 ] = slidePath_2;

	pos_2 += 1;

	// Precarico le immagini

	//var preLoad2 = new Image();

	//preLoad2.src = slidePath2;

}

function fadeIn_2(objId_2,opacity_2) {

	if (document.getElementById) {

		obj_2 = document.getElementById(objId_2);

		if (opacity_2 <= 100) {

			setopacity_2(obj_2, opacity_2);

			opacity_2 += 10;

			window.setTimeout("fadeIn_2('"+objId_2+"',"+opacity_2+")", 180);

		} else {

			// Comincio la dissolvenza dopo 5000 millisecondi

			sleep_2(waitTime, objId_2, 110);

		}
	}
}

function fadeOut_2(objId_2,opacity_2) {

	if (document.getElementById) {

		obj_2 = document.getElementById(objId_2);

		if (opacity_2 >= 10) {

			setopacity_2(obj_2, opacity_2);

			opacity_2 -= 10;

			window.setTimeout("fadeOut_2('"+objId_2+"',"+opacity_2+")", 180);

		} else {

			// Comincio subito a far comparire l'immagine successiva

			j_2 = j_2 + 1;

			if (j_2 > (Pic_2.length-1)) j_2=0;

			obj_2.src = Pic_2[ j_2 ];

			setopacity_2(obj_2, 0);

			window.setTimeout("fadeIn_2('"+objId_2+"',"+opacity_2+")", 0);

		}

	}

}

function sleep_2(millis, objId_2, opacity_2) {

    setTimeout("fadeOut_2('"+objId_2+"',"+opacity_2+")", millis);

}

function setopacity_2(obj_2, opacity_2) {

	opacity_2 = (opacity_2 == 100)?99.999:opacity_2;

	// IE/Win

	obj_2.style.filter = "alpha(opacity:"+opacity_2+")";

	// Safari<1.2, Konqueror

	obj_2.style.KHTMLOpacity = opacity_2/140;

	// Older Mozilla and Firefox

	obj_2.style.MozOpacity = opacity_2/100;

	// Safari 1.2, newer Firefox and Mozilla, CSS3

	obj_2.style.opacity = opacity_2/100;

}


//////////////////// _3 /////////////////
//*
function addSlide_3(slidePath_3) {

	Pic_3[ pos_3 ] = slidePath_3;

	pos_3 += 1;

	// Precarico le immagini

	//var preLoad2 = new Image();

	//preLoad2.src = slidePath2;

}

function fadeIn_3(objId_3,opacity_3) {

	if (document.getElementById) {

		obj_3 = document.getElementById(objId_3);

		if (opacity_3 <= 100) {

			setopacity_3(obj_3, opacity_3);

			opacity_3 += 10;

			window.setTimeout("fadeIn_3('"+objId_3+"',"+opacity_3+")", 160);

		} else {

			// Comincio la dissolvenza dopo 5000 millisecondi

			sleep_3(waitTime, objId_3, 110);

		}
	}
}

function fadeOut_3(objId_3,opacity_3) {

	if (document.getElementById) {

		obj_3 = document.getElementById(objId_3);

		if (opacity_3 >= 10) {

			setopacity_3(obj_3, opacity_3);

			opacity_3 -= 10;

			window.setTimeout("fadeOut_3('"+objId_3+"',"+opacity_3+")", 160);

		} else {

			// Comincio subito a far comparire l'immagine successiva

			j_3 = j_3 + 1;

			if (j_3 > (Pic_3.length-1)) j_3=0;

			obj_3.src = Pic_3[ j_3 ];

			setopacity_3(obj_3, 0);

			window.setTimeout("fadeIn_3('"+objId_3+"',"+opacity_3+")", 0);

		}

	}

}

function sleep_3(millis, objId_3, opacity_3) {

    setTimeout("fadeOut_3('"+objId_3+"',"+opacity_3+")", millis);

}

function setopacity_3(obj_3, opacity_3) {

	opacity_3 = (opacity_3 == 100)?99.999:opacity_3;

	// IE/Win

	obj_3.style.filter = "alpha(opacity:"+opacity_3+")";

	// Safari<1.2, Konqueror

	obj_3.style.KHTMLOpacity = opacity_3/140;

	// Older Mozilla and Firefox

	obj_3.style.MozOpacity = opacity_3/100;

	// Safari 1.2, newer Firefox and Mozilla, CSS3

	obj_3.style.opacity = opacity_3/100;

}



//////////////////// _4 /////////////////
//*
function addSlide_4(slidePath_4) {

	Pic_4[ pos_4 ] = slidePath_4;

	pos_4 += 1;

	// Precarico le immagini

	//var preLoad2 = new Image();

	//preLoad2.src = slidePath2;

}

function fadeIn_4(objId_4,opacity_4) {

	if (document.getElementById) {

		obj_4 = document.getElementById(objId_4);

		if (opacity_4 <= 100) {

			setopacity_4(obj_4, opacity_4);

			opacity_4 += 10;

			window.setTimeout("fadeIn_4('"+objId_4+"',"+opacity_4+")", 160);

		} else {

			// Comincio la dissolvenza dopo 5000 millisecondi

			sleep_4(waitTime, objId_4, 110);

		}
	}
}

function fadeOut_4(objId_4,opacity_4) {

	if (document.getElementById) {

		obj_4 = document.getElementById(objId_4);

		if (opacity_4 >= 10) {

			setopacity_4(obj_4, opacity_4);

			opacity_4 -= 10;

			window.setTimeout("fadeOut_4('"+objId_4+"',"+opacity_4+")", 100);

		} else {

			// Comincio subito a far comparire l'immagine successiva

			j_4 = j_4 + 1;

			if (j_4 > (Pic_4.length-1)) j_4=0;

			obj_4.src = Pic_4[ j_4 ];

			setopacity_4(obj_4, 0);

			window.setTimeout("fadeIn_4('"+objId_4+"',"+opacity_4+")", 0);

		}

	}

}

function sleep_4(millis, objId_4, opacity_4) {

    setTimeout("fadeOut_4('"+objId_4+"',"+opacity_4+")", millis);

}

function setopacity_4(obj_4, opacity_4) {

	opacity_4 = (opacity_4 == 100)?99.999:opacity_4;

	// IE/Win

	obj_4.style.filter = "alpha(opacity:"+opacity_4+")";

	// Safari<1.2, Konqueror

	obj_4.style.KHTMLOpacity = opacity_4/140;

	// Older Mozilla and Firefox

	obj_4.style.MozOpacity = opacity_4/100;

	// Safari 1.2, newer Firefox and Mozilla, CSS3

	obj_4.style.opacity = opacity_4/100;

}