//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 99; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
		if (i==99) {
			setTimeout("blendimage_roll()",(timer*speed)+1000);
		}
	}
	
	
}

function blendimage_roll() {
	var imgs = new Array();
	var fid = 'pho_home';
	imgs[0] = "images/pho-home1.jpg";
	imgs[1] = "images/pho-home2.jpg";
	imgs[2] = "images/pho-home3.jpg";
	
	var s =	document.getElementById(fid).src;
	var x = s.split('.');
    var i = x.length-2;
	var n = x[i].charAt(x[i].length-1);
	
	if (n==imgs.length) {
		n=0;
	}
	
	setTimeout("blendimage('pho-home-wrap','pho_home', '"+imgs[n]+"', 1500)",1250);
}