$(document).ready(function() {

    //select all the a tag with name equal to modal
    $('a[name=modal]').click(function(e) {
        //Cancel the link behavior
        e.preventDefault();

        //Get the A tag
         var id = $(this).attr('href');
         
        
        //Get the screen height and width
        var maskHeight = $(document).height();
        var maskWidth = $(window).width();

        //Set heigth and width to mask to fill up the whole screen
        $('#mask').css({ 'width': maskWidth, 'height': maskHeight });

        //transition effect		
        $('#mask').fadeIn(1000);
        $('#mask').fadeTo("slow", 0.8);

        //Get the window height and width
        //var winH = $(document).height();
        var winH = $(window).height();
        var winW = $(window).width();

        //Set the popup window to center
       // $(id).css('top', winH / 2 - $(id).height() / 2);
         $(id).css('left', winW / 2 - $(id).width() / 2);


        $(id).css("position", "absolute");
        $(id).css("top", (winH - $(id).height()) / 2 + $(window).scrollTop() + "px");
     

        //transition effect
        $(id).fadeIn(2000);

    });

    //if close button is clicked
    $('.windowTermCondition .closeTermCondition').click(function(e) {
        //Cancel the link behavior           
        e.preventDefault();

        $('#mask').hide();
        $('.windowTermCondition').hide();
    });

    //if close button is clicked
    $('.windowBenefit .closeBenefit').click(function(e) {
        //Cancel the link behavior

        e.preventDefault();

        $('#mask').hide();
        $('.windowBenefit').hide();
    });
});