function ShowCalendar(ddlMonth, ddlYear) 
{
    var months = new Array("Month", "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
    this.now = new Date();
    
    var limitYear=40;
    var fromYear=40;
    var yearNow=this.now.getFullYear();
    var beginYear=parseInt(yearNow-fromYear);
    var untilYear=parseInt(yearNow+parseInt(limitYear+1));
    var years= new Array(parseInt(untilYear)-parseInt(beginYear));

    for(var cont=0;cont<years.length;cont++){
        if(cont==0){
            years[cont]="Year";
        }else{
            years[cont]=beginYear+parseInt(cont);
        }
    }

	var selectMonth = document.getElementById(ddlMonth);
	for (var intLoop = 0; intLoop < months.length; intLoop++){
	    selectMonth.options[selectMonth.options.length] = new Option(months[intLoop]);
    }

    var selectYear = document.getElementById(ddlYear);
    for (var intLoop = 0; intLoop < years.length; intLoop++){
	    selectYear.options[selectYear.options.length] = new Option(years[intLoop]);
	}
}