$(document).ready(function(){
    
    function showDisclaimer() {
    
        var scrollPosition = $(window).height() + $(window).scrollTop();
        var left= ($(window).width() - $('#disclaimer_body').width())/2;
        var top =(scrollPosition - $('#disclaimer_body').height())/2;
        var height = $(document).height();
    
        $('#disclaimer_background').css({"display":"block","opacity":"0","height":height}).fadeTo("slow",0.66);
        $('#disclaimer_body').css({"display":"block","opacity":"0","left":left,"top":top}).fadeTo("slow",1);
        
        if ($.browser.msie) {
            $('#disclaimer_body img.right_corner_img ').css({"display":"none"});
        }
    }
    
    $('#continue').click(function(e) {
        $.ajax({
            type: "GET",
            url: e.target.href,
            data: "accept=yes",
            success: function(msg){
                $('#disclaimer_background').fadeOut('slow', function(){$(this).remove()});
                $('#disclaimer_body').fadeOut('slow', function(){$(this).remove()});
            }
        });
        
        return false;
    });
    
    $(window).scroll(function () { 
        if ($('#disclaimer_background').is(':visible')) {
            var documentHeight = $(document).height();
            var scrollPosition = $(window).height() + $(window).scrollTop();
            
            var top =(scrollPosition - $('#disclaimer_body').height())/2;
            $('#disclaimer_body').animate({"top":top},'normal');
        }
    });
    
    showDisclaimer();
});