// JavaScript Document


fadeGradativaObjects = new Object();
fadeGradativaTimers = new Object();

function fadeGradativa(id, destOp, rate, delta){

    object = document.getElementById(id);

    /*if (object != "[object]"){
        setTimeout("fadeGradativa('"+id+"',"+destOp+","+rate+","+delta+")",0);
        return;
    } */

    clearTimeout(fadeGradativaTimers[object.sourceIndex]);

    bname=navigator.appName;

    if(bname.indexOf("Microsoft")!=-1)
    {
        opacidade = object. filters.alpha.opacity;
        
        diff = destOp-opacidade;
        direction = 1;
        if (opacidade > destOp){
            direction = -1;
        }
        
        delta=Math.min(direction*diff,delta);
        object.filters.alpha.opacity+=direction*delta;
        
        opacidade = object.filters.alpha.opacity;
    }
    else if(bname.indexOf("Netscape")!=-1)
    {
        opacidade = object.style.MozOpacity*100;

        diff = destOp-opacidade;
        direction = 1;
        if (opacidade > destOp){
            direction = -1;
        }

        delta=Math.min(direction*diff,delta);
        object.style.MozOpacity = (opacidade+(direction*delta))/100;

        opacidade = object.style.MozOpacity*100;
    }
    else
        return;
        
    if (opacidade != destOp){
        fadeGradativaObjects[object.sourceIndex]=object;
        fadeGradativaTimers[object.sourceIndex]=setTimeout("fadeGradativa('"+id+"', "+destOp+", "+rate+", "+delta+")",rate);
    }
}