﻿$(function() {
    // set opacity to nill on page load
    $("ul#navmenu span").css("opacity", "0");
    // on mouse over
    $("ul#navmenu span").hover(function() {
        // animate opacity to full
        $(this).stop().animate({
            opacity: 1
        }, 60);
    },
    // on mouse out
    function() {
        // animate opacity to nill
        $(this).stop().animate({
            opacity: 0
        }, 500);
    });
});


//whole credits are devoted to orignal author
//
//Use: Call function goto_top()
var goto_top_type = -1;
var goto_top_itv = 0;

function goto_top_timer() {
    var y = goto_top_type == 1 ? document.documentElement.scrollTop : document.body.scrollTop;
    //alert(y);
    var moveby = 15; // set this to control scroll seed. minimum is fast

    y -= Math.ceil(y * moveby / 100);
    if (y < 0)
        y = 0;

    if (goto_top_type == 1)
        document.documentElement.scrollTop = y;
    else
        document.body.scrollTop = y;

    if (y == 0) {
        clearInterval(goto_top_itv);
        goto_top_itv = 0;
    }
}

function goto_top() {
    if (goto_top_itv == 0) {
        if (document.documentElement && document.documentElement.scrollTop)
            goto_top_type = 1;
        else if (document.body && document.body.scrollTop)
            goto_top_type = 2;
        else
            goto_top_type = 0;

        if (goto_top_type > 0)
            goto_top_itv = setInterval('goto_top_timer()', 25);
    }
}