// JavaScript Document


function blendImage(divid, imageid, imagefile, millisec)

{
    var speed = Math.round(millisec / 100);
    var timer = 0;
    
    //set the current image as background
    var div_ref=document.getElementById(divid);
	div_ref.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 <= 100; i++) {
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
        timer++;
    }
} 


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 + ")";


}