$(document).ready(function(){

    $("#content-vslider").slider({
        orientation: "vertical",
        animate: true,
        value: 100,
        change: handleSliderChangeV,
        slide: handleSliderSlideV
    });
    
    $('#main_img_link').focus(function(){ this.blur();} );
    
     
});

function handleSliderChangeV(e, ui)
{
  
  var maxScroll = $("#content-vscroll").attr("scrollHeight") -
                  $("#content-vscroll").height();
  $("#content-vscroll").animate({scrollTop: ((100 - ui.value) * (maxScroll / 100)) }, 1000, "linear");
  
}

function handleSliderSlideV(e, ui)
{
  var maxScroll = $("#content-vscroll").attr("scrollHeight") -
                  $("#content-vscroll").height();
  $("#content-vscroll").attr({scrollTop: (100 - ui.value) * (maxScroll / 100) });
}

function changePic(picid,imgref) {
    var pictitle = document.getElementById('tn'+picid).title;
    document.getElementById('main_img_link').href = "/images/gallery/" + imgref + "_l.jpg";
    document.getElementById('main_img_link').title = pictitle;
    document.getElementById('main_img').src = "/images/gallery/" + imgref + "_m.jpg";
    ajaxLoad(picid);
    return;
}
var ajax1 = new sack();
function ajaxLoad(picid){
    ajax1.requestFile = "/ajax/gallerypictext/" + picid ;
    ajax1.method = 'post';
    ajax1.element = 'picinfo';
    ajax1.runAJAX();
}