read input name variable

gistfile1.txt

$("input[name*='marker_04']").change(function(){
        var max= 3;
        if( $("input[name*='marker_04']:checked").length == max ){
            $("input[name*='marker_04']").attr('disabled', 'disabled');
            $("input[name*='marker_04']:checked").removeAttr('disabled');
        }else{
            $("input[name*='marker_04']").removeAttr('disabled');
        }
    });