var imgtransstopped=0;
var divi= 30;
var timeoutArray= new Array(divi+1);

//change the opacity for different browsers
function changeOpac(opacity, id) {
        if( imgtransstopped == 1 ) return;
	var object = document.getElementById(id).style; 
        var opa= opacity / 100;
	object.opacity = (opa);
	object.MozOpacity = (opa);
	object.KhtmlOpacity = (opa);
	object.filter = "alpha(opacity=" + opacity + ")";
}


function blendimage(divid, imageid, imagefile, millisec) {
        if( imgtransstopped == 1 ) return;
        var fac= 100 / divi;
	var speed = Math.round(millisec / divi);
	
	//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).style.visibility = "hidden";
	document.getElementById(imageid).src = imagefile;
	document.getElementById(imageid).style.visibility = "visible";

	//fade in image
	for(i = 1; i <= divi; i++) {
		timeoutArray[i]= setTimeout("changeOpac(" + i * fac + ",'" + imageid + "')",(i * speed));
	}
}