Basic date formatting helper

basic date formatting helper

function formatDate(value, format) {
		
  var date = value && value instanceof Date ? value : new Date(value);
  return format
  	.replace("YYYY", date.getFullYear().toString())
  	.replace("YY", date.getFullYear().toString().substr(2, 2))
  	.replace("MM", (date.getMonth() + 1).toString().replace(/^(\d)$/, '0$1'))
  	.replace("M", (date.getMonth() + 1).toString())
  	.replace("DD", date.getDate().toString().replace(/^(\d)$/, '0$1'))
  	.replace("D", date.getDate().toString())
  	.replace("HH", date.getHours().toString().replace(/^(\d)$/, '0$1'))
  	.replace("H", date.getHours().toString())
  	.replace("hh", ((date.getHours()%12)||12).toString().replace(/^(\d)$/, '0$1'))
  	.replace("h", ((date.getHours()%12)||12).toString())
  	.replace("mm", date.getMinutes().toString().replace(/^(\d)$/, '0$1'))
  	.replace("m", date.getMinutes().toString())
  	.replace("ss", date.getSeconds().toString().replace(/^(\d)$/, '0$1'))
  	.replace("s", date.getSeconds().toString())
		
}