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 whatisit(image, p1, p2, p3) {
 document.body.style.cursor = "pointer";
 opacity("showit", 100, 0, 1000); 
 document.getElementById('showit').src = image;
 opacity("showit", 0, 100, 1000);
 if (document.getElementById("year")) {
 	document.getElementById("year").innerHTML = p1;
 	document.getElementById("prize").innerHTML = p2;
 	document.getElementById("category").innerHTML = p3;
 }
 if (document.getElementById("media")) {
 	document.getElementById("media").innerHTML = p1;
 	document.getElementById("issue").innerHTML = p2;
 	document.getElementById("medialink").href= "../pdf/" + p3;
 }
}