//File Dependencies:  yui_<versionID>/yahoo/yahoo-min.js, yui_<versionID>/event/event-min.js,  yui_<versionID>/datasource/datasource-min.js

function getTimePeriod(hour,min) {
    var time = hour+"."+min+0;
    return (time >= 12 && time < 24) ? " PM" : " AM";	
}

function convertToTwelveHourClock(hour) {
    if (hour == 12) return hour;	
    return hour%12;
}

function convertToJapaneseDateFormat(year,month,day,hour,min) {
	return year + '年' + month + '月' + day + '日' + " " + hour + '時' + min + '分';
}

function convertToLocaleDateString(year,month,day) {
    return month+"/"+day+"/"+year;
}

function convertToUTCString(year,month,day) {
    var date = new Date(year+"/"+month+"/"+day);
    return YAHOO.util.Date.format(date, {format: "%FT%T%z" });
}

function convertToSalesForceDateString(year,month,day) {
    return convertToLocaleDateString(year,month,day);
}