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JavaScript

//Making sure month and ListYr (Apr 2015) fall within the current fiscal year
var d = new Date();
var curYear = d.getFullYear();
//alert("curYear: "+curYear);
var prevYear = curYear - 1;
var month = "Apr";
var ListYr = "2015";

//alert("Prev Year: "+prevYear);

if ((prevYear == ListYr && month == "Oct" || month == "Nov" || month == "Dec") || (curYear == ListYr && month == "Jan" || month == "Feb" || month == "Mar" || month == "Apr" || month == "May" || month == "Jun" || month == "Jul" || month == "Aug" || month == "Sep")) {
    alert("Within Fiscal Year");
}