/* Welcome to our Decomposing Pianos Slideshow code!												*/
/* 			The opactity routines are from here:													*/
/* 								http://brugbart.com/Articles/javascript-fade						*/
/* 			Our website is 		http://decomposingpianos.com										*/
/*																									*/
/* 		********** Please reference these in your javascript file! **********		 				*/
/*																									*/
/* 			Thanks for looking and hope you enjoy! -dp												*/

var duration = 1000; /* fade duration in millisecond */
var hidtime = 2500; /* time to stay hidden */
var showtime = 2500; /* time to stay visible */
var totaltime = 7000;

var val1, val2;

var numt = 7;

if (document.images) 
{
	var txtimg=new Array();
	txtimg[0] = "images/winterflowers.png";
	txtimg[1] = "images/dress4.png";
	txtimg[2] = "images/pears.png";
	txtimg[3] = "images/boxroombed.png";
	txtimg[4] = "images/summerroses.png";
	txtimg[5] = "images/blanket.png";
	txtimg[6] = "images/twodressesfan.png";
	txtimg[7] = "images/eliesashells.png";
	
	var imageA = new Array();
	for (i=0;i<=numt;i=i+1){
		imageA[i] = new Image();
		imageA[i].src = txtimg[i];
	}
}

function startslideshow()
{		
	val1 = 0;
	val2 = 1;
	
	if (document.images) {
		LoadImage();
		setTimeout("LoadOtherImage()",3000);
		setTimeout("fadeOut()",3500);
	}
	
}

function LoadImage()
{
	document['img0'].src = imageA[val1].src;
	
	val1 = val1 + 2;
	if (val1>numt) {val1=0;}
	setTimeout("LoadImage()",totaltime);
}

function LoadOtherImage()
{	
	
	document['img1'].src = imageA[val2].src;
	
	val2 = val2 + 2;
	if (val2>numt) {val2=1;}
	setTimeout("LoadOtherImage()",totaltime);
}

function fadeOut() {
	for (i = 0; i <= 1; i += 0.01) {
		setTimeout("SetOpa(" + (1 - i) +")", i * duration);
	}
	setTimeout("fadeIn()", (duration + hidtime));
}

function fadeIn() {
	for (i = 0; i <= 1; i += 0.01) {
		setTimeout("SetOpa(" + i +")", i * duration);
	}
	setTimeout("fadeOut()", (duration + showtime));
}

function SetOpa(Opa) {
	document.getElementById("spot1").style.opacity = Opa;
	document.getElementById("spot1").style.MozOpacity = Opa;
	document.getElementById("spot1").style.KhtmlOpacity = Opa;
	document.getElementById("spot1").style.filter = 'alpha(opacity=' + (Opa * 100) + ');';
}