// JavaScript Document

function opacity(id, opacStart, opacEnd, millisec) { 
    //speed for each frame 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 

    //determine the direction for the blending, if start and end are the same nothing happens 
    if(opacStart > opacEnd) { 
        for(i = opacStart; i >= opacEnd; i--) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } else if(opacStart < opacEnd) { 
        for(i = opacStart; i <= opacEnd; i++) 
            { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } 
} 

//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 = 50;  // war = 0!
    cnt = cnt +1 >= imgArray.length ? 0 : cnt + 1;
    //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 <= 100; i = i +1 ) { 
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
        timer++; 
    } 
    setTimeout("blendimage('" + divid+ "','" +  imageid+ "','" +  imgArray[cnt]+ "'," +  millisec + ")",(fadeTime * 100));
} 

/*<div style="background-image: url(media/texts/photos_about/02aft.jpg); background-repeat: no-repeat; width: 200px; height: 150px;" id="blenddiv">
    <img src="media/texts/photos_about/02aft.jpg" style="width: 200px; height: 150px; border: 0 none; filter: alpha(opacity=0); -moz-opacity: 0; opacity: 0;" id="blendimage" alt="" />
</div> 
*/

