function photofader(nm, mainDiv, imgArr){
	this.name		= nm;
	this.imgArr = imgArr;
	this.curImg = 0;
	this.curDiv = 1;

	var mainDv = document.getElementById(mainDiv);

	document.pfObj = this;

	document.write("<style type='text/css'>\n");
	document.write("#pf_photo1 img { visibility:hidden; }\n");
	document.write("#pf_photo1 { position:absolute; z-index: 1; }\n");
	document.write("#pf_photo2 { position:absolute; z-index: 0; }\n");
	document.write("</style>");

	this.initImages = function() {
		document.write("<scr");
		document.write("ipt type='text/javascript'>\n");
		for(var i=0; i<this.imgArr.length; i++){
			document.write("var img"+i+" = new Image();\n");
			document.write("img"+i+".src = '"+ this.imgArr[i] +"';\n");
		}
		document.write("document.pfObj.start();\n");
		document.write("</scr");
		document.write("ipt>\n");

	}

	this.start = function(){
		var hldr1 = "pf_photo1";
		var hldr2 = "pf_photo2";

		var dv1 = document.createElement("div");
		dv1.id = "pf_photo1";
		dv1.innerHTML = "<img src='"+ imgArr[0] +"' />";
		var dv2 = document.createElement("div");
		dv2.id = "pf_photo2";

		mainDv.appendChild(dv1);
		mainDv.appendChild(dv2);

		image1 = document.getElementById(hldr1).childNodes[0];
		setOpacity(image1, 0);
		image1.style.visibility = 'visible';
		fadeIn(hldr1,0);
	}

	this.initImages();
}

function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;

	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";

	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;

	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;

	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;
}

function fadeIn(objId,opacity) {

	if (document.getElementById) {
		obj = document.getElementById(objId).childNodes[0];
		if (opacity < 100) {
			speed = (speed < 2)?2:speed;
			setOpacity(obj, opacity);
			opacityDif = Math.ceil((100-opacity)/speed);
			opacity += opacityDif;
			//opacity += 2;
			window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 50);
		}
		else
		setTimeout("swapImages()",delay*1000);
	}
}

function swapImages(){
	// find out which
	if(document.pfObj.curImg == document.pfObj.imgArr.length-1)
	document.pfObj.curImg = 0;
	else
	++document.pfObj.curImg;

	// now get the div to hld the new image
	var dvName	= (document.pfObj.curDiv == 1)?"pf_photo2":"pf_photo1";
	var eDivName		= (document.pfObj.curDiv == 1)?"pf_photo1":"pf_photo2";
	document.pfObj.curDiv = (document.pfObj.curDiv == 1)?2:1;

	var tgtDiv = document.getElementById(dvName);
	var eDiv = document.getElementById(eDivName);

	// now fill the target div
	tgtDiv.innerHTML = "<img src='"+ document.pfObj.imgArr[document.pfObj.curImg] +"' style='visibility:hidden;' />";

	//move the divs around in z-index
	eDiv.style.zIndex = 0;
	tgtDiv.style.zIndex = 1;

	// And finally fade in the image

	var img = tgtDiv.childNodes[0];

	setOpacity(img, 0);
	img.style.visibility = 'visible';
	fadeIn(tgtDiv.id,0);


	//save_image_session(document.pfObj.imgArr[document.pfObj.curImg]);

}

function save_image_session(img){


	var post_data = "img="+img;

	var xmlhttp=false;
	/*@cc_on @*/
	/*@if (@_jscript_version >= 5)
	// JScript gives us Conditional compilation, we can cope with old IE versions.
	// and security blocked creation of the objects.
	try {
	xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
	try {
	xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} catch (E) {
	xmlhttp = false;
	}
	}
	@end @*/
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();}

		xmlhttp.open("POST","/img.php",true);

		xmlhttp.onreadystatechange=function() {

		}

		xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		xmlhttp.send(post_data);

}