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var menutimer = 0;
var menuitem = 0;

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_gaq.push( [ '_setAccount', 'UA-10796814-5', '_trackPageview' ] );

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}

function daysRemaining() {
    var today = new Date();
    
    // Note month and day are 0-based (hence April 10th, 2005 is Date( 2005, 3, 9 )).
    var climbdate = new Date( 2012, 3, 20 );

    // Magic number: 86400000 ms in a day
    var diff = Math.ceil( (climbdate - today) / 86400000 ) + 1;

    return( diff + ' days to get ready! (April 21, 2012)' );
}

function calorieCalc( weight, units, mins ) {
    if (units == 'lbs') {
        weight = weight / 2.205;
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}

function showCalories() {
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    var units;
    var mins;
    var calories;
    var err;

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    mins = document.getElementById( 'mins' ).value;

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        err = 'Please enter your weight in either kg or lbs.';
    }
    if (mins == '') {
        if (err != '') {
            err = err + '\n';
        }
        err = err + 'Please enter how many minutes it took you to climb.';
    }
    if (err == '') {
        calories = Math.round( calorieCalc( weight, units, mins ) );
        alert( 'Congratulations! You burned ' + calories + ' kCal climbing the Calgary Tower!' );
    } else {
        alert( err );
    }
}

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