/*
	The following JavaScript requires no further editing but requires variables to be instanciated before it is run.
	Please define the following variables in the html file accessing the script.

	strImageAlt	- Alt tag information required for images in the slideshow
*/


var preloadedimages = new Array ( );
for (p=0; p<fadeimages.length; p++) {
	preloadedimages[p] = new Image ( );
	preloadedimages[p].src = fadeimages[p];
}

var ie4=document.all
var dom=document.getElementById

if (ie4||dom) { document.write ( '<div style="position: relative; width:'+slideshow_width+';height:'+slideshow_height+';overflow:hidden"><div  id="canvas0" style="position:absolute;width:'+slideshow_width+';height:'+slideshow_height+';top:0;left:0;filter:alpha(opacity=10);-moz-opacity:10"></div><div id="canvas1" style="position:absolute;width:'+slideshow_width+';height:'+slideshow_height+';top:0;left:0;filter:alpha(opacity=10);-moz-opacity:10"></div></div>'); }
else { document.write ( '<img name="defaultslide" src="' + fadeimages[0] + '" alt="' + strImageAlt + '">' ); }

var curpos = 10;
var degree = 10;
var curcanvas = "canvas0";
var curimageindex = 0;
var nextimageindex = 1;
if (strImageAlt == undefined) 	var strImageAlt = "Blackpool Hotels slideshow showing faded images of the establishment";


function fadepic(){
	if (curpos < 100) {
		curpos += 10;
		if (tempobj.filters) { tempobj.filters.alpha.opacity=curpos }
		else { if (tempobj.style.MozOpacity) { tempobj.style.MozOpacity=curpos/100; } }
	} else {
		clearInterval (dropslide);
		nextcanvas = (curcanvas=="canvas0") ? "canvas0" : "canvas1";
		tempobj = ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas);
		tempobj.innerHTML='<img src="'+fadeimages[nextimageindex]+'" alt="' + strImageAlt + '">';
		nextimageindex = (nextimageindex < fadeimages.length-1) ? nextimageindex+1 : 0;
		setTimeout("rotateimage()", pause);
	}
}

function rotateimage(){
	if (ie4||dom) {
		resetit(curcanvas);
		var crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
		crossobj.style.zIndex++
		var temp='setInterval("fadepic()",50)'
		dropslide=eval(temp)
		curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
	} else {
		document.images.defaultslide.src=fadeimages[curimageindex];
	}
	curimageindex = (curimageindex < fadeimages.length-1) ? curimageindex+1 : 0;
}

function resetit (what){
	curpos=10;
	var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
	if (crossobj.filters) { crossobj.filters.alpha.opacity=curpos }
	else { if (crossobj.style.MozOpacity) { crossobj.style.MozOpacity = curpos/100; } }
}

function startit ( ) {
	var crossobj = ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas);
	crossobj.innerHTML = '<img src="'+fadeimages[curimageindex]+'" alt="' + strImageAlt + '">';
	rotateimage();
}

if (ie4||dom)
	window.onload = startit
else
	setInterval("rotateimage()", pause);