/*****

Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com

Please leave this notice intact. 

Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html

**************************************************************************************

Image Cross Fade Redux
Version 1.x??
Revised May 3rd, 2006
Jennifer Dungan
www.jenniferdungan.com

Rewrite of code found here: http://slayeroffice.com/code/imageCrossFade/xfade2.html

- added image preloader
- updated code to work with prototype.js


*****/


/* Image Cross Fade Redux starts here ****************************************************/

imgs = new Array();
zInterval = null;
current = 0;
pause = false;

// preload images
if (document.images)
{
	image1 = new Image(375,375);
	image1.src = "images/webPics/waterfall_5.jpg";
	
	image2 = new Image(375,375);
	image2.src = "images/webPics/baby_1.jpg";
	
	image3 = new Image(375,375);
	image3.src = "images/webPics/waterfall_4.jpg";
	
	image4 = new Image(375,375);
	image4.src = "images/webPics/maturn_1.jpg";
	
	image5 = new Image(375,375);
	image5.src = "images/webPics/wed_1.jpg";
	
	image6 = new Image(375,375);
	image6.src = "images/webPics/waterfall_3.jpg";
	
	image7 = new Image(375,375);
	image7.src = "images/webPics/waterfall_2.jpg";
	
	image8 = new Image(375,375);
	image8.src = "images/webPics/maturn_2.jpg";
	
	image9 = new Image(375,375);
	image9.src = "images/webPics/maturn_3.jpg";
	
	image10 = new Image(375,375);
	image10.src = "images/webPics/waterfall_1.jpg";
}

window.onload=function()
{
	
	new Insertion.Bottom('imageHolder', '<img src="images/webPics/baby_1.jpg" width="383" height="383" alt="Baby 1" id="img2" /><img src="images/webPics/waterfall_4.jpg" width="375" height="375" alt="Waterfall 4" id="img3" /><img src="images/webPics/maturn_1.jpg" width="375" height="375" alt="Maternity 1" id="img4" /><img src="images/webPics/wed_1.jpg" width="375" height="375" alt="Wedding 1" id="img5" /><img src="images/webPics/waterfall_3.jpg" width="375" height="375" alt="Waterfall 3" id="img6" /><img src="images/webPics/waterfall_2.jpg" width="375" height="375" alt="Waterfall 2" id="img7" /><img src="images/webPics/maturn_2.jpg" width="375" height="375" alt="Maternity 2" id="img8" /><img src="images/webPics/maturn_3.jpg" width="375" height="375" alt="Maternity 3" id="img9" /><img src="images/webPics/waterfall_1.jpg" width="375" height="375" alt="Waterfall 1" id="img10" />');
	slideshow();
}

function slideshow() {
	if(!document.getElementById || !document.createElement)return;
	
	css = document.createElement("link");
	css.setAttribute("href","xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	document.getElementsByTagName("head")[0].appendChild(css);
	
	imgs = $("img1", "img2", "img3", "img4", "img5", "img6", "img7");
	
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;
	
	setTimeout(so_xfade,2000);
	
}


function so_xfade() {
	
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;
	
	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	
	if(cOpacity<=0) {
		imgs[current].style.display = "none";
		current = nIndex;
		setTimeout(so_xfade,2000);
	} else {
		setTimeout(so_xfade,50);
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
	
}

/* Image Cross Fade Redux ends here ****************************************************/