function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 25);
    }
}
function backToBottom() {
    alert('asd');
    if (document.body.scrollHeight){ 
       // window.scrollto(0, document.body.scrollHeight); 
    }else if(screen.height){ 
        //window.scrollto(0, screen.height); 
    } 
}

function SetCursorToTextEnd(textControlID){
    var text = document.getElementById(textControlID);
    if (text != null && text.value.length > 0)
    {
        if (text.createTextRange)
        {
            var FieldRange = text.createTextRange();
            FieldRange.moveStart('character', text.value.length);
            FieldRange.collapse();
            FieldRange.select();
        }
    }
}
function doPopup(url,w,h) {
	newwindow=window.open(url,'name','height='+h+',width='+w+',resizable=no,scrollbars=no,toolbar=no,status=no');
	if (window.focus) {newwindow.focus()}
	return false;
}

function DisableButton(buttonID) {
    //WebbForm_DoPostBackWithOptions(new WebForm_PostBackOptions("btnPhotoUpload", "", true, "AlbumUpload", "", false, false));
    setTimeout("disableButton('" + buttonID + "');", 50);
}
function disableButton(buttonID) {
    document.getElementById(buttonID).disabled = true;
    document.getElementById(buttonID).src = "/images/animations/smoothbox-loading.gif";
}