function changeOpacity(MyID, opacStart, opacEnd, millisec) {
    var speed = Math.round(millisec / 100);
    var timer = 0;

    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("change('" + MyID + "'," + i + ")",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("change('" + MyID + "'," + i + ")",(timer * speed));
            timer++;
        }
    }
}


function change(MyID, opacity) {
var object = document.getElementById(MyID).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";

}


function fadein(ImgID) {
        setTimeout("changeOpacity('" + ImgID + "'," + 0 + "," + 100 + "," + 1000 + ")",500);
}



function showcredits() {
        setTimeout("changeOpacity('searchtheweb'," + 100 + "," + 0 + "," + 1000 + ")",0);
        setTimeout("changeOpacity('searchtextfield'," + 100 + "," + 0 + "," + 1000 + ")",500);
        setTimeout("changeOpacity('toolbartopMenu'," + 100 + "," + 0 + "," + 1000 + ")",500);
        document.getElementById('credits').style.visibility = 'visible';
        setTimeout("changeOpacity('credits'," + 0 + "," + 100 + "," + 1000 + ")",500);
}
function hidecredits() {
        setTimeout("changeOpacity('credits'," + 100 + "," + 0 + "," + 1000 + ")",0);
        setTimeout("changeOpacity('searchtextfield'," + 0 + "," + 100 + "," + 1000 + ")",0);
        setTimeout("changeOpacity('searchtheweb'," + 0 + "," + 100 + "," + 1000 + ")",500);
        setTimeout("changeOpacity('toolbartopMenu'," + 0 + "," + 100 + "," + 1000 + ")",0);
        document.getElementById('credits').style.visibility = 'hidden';
}