Javascript Datetime functions

datetimes.js

/*DATETIME FUNCTIONS

Functions to create datetime strings in a specific format. 
Created to force dates to be passed as SQL parameters in the correct format (i.e. not MM/DD/YYYY)
*/


function fDate(date) {
	//Format date to 'dd/MM/yyyy'
	if (typeof date == 'undefined') date = new Date();
	if (Object.prototype.toString.call(date) === '[object Date]') {
		var newdate = ('0' + date.getDate()).slice(-2) + '/'
		     		+ ('0' + (date.getMonth()+1)).slice(-2) + '/'
		     		+ date.getFullYear();	     		
		return newdate;
	}
}

function fDatetime(date) {
	//Format datetime to 'dd/MM/yyyy hh:mm:ss'
	
	if (typeof date == 'undefined') date = new Date();
	if (Object.prototype.toString.call(date) === '[object Date]') {
		var newdate = ('0' + date.getDate()).slice(-2) + '/'
		     		+ ('0' + (date.getMonth()+1)).slice(-2) + '/'
		     		+ date.getFullYear() + ' '
		     		+ ('0' + date.getHours()).slice(-2) + ':'
		     		+ ('0' + date.getMinutes()).slice(-2) + ':'
		     		+ ('0' + date.getSeconds()).slice(-2);
		return newdate;
	} 
}

function fDateYMD(date) {
	//Format date to 'yyyy-MM-dd'
	if (typeof date == 'undefined') date = new Date();
	if (Object.prototype.toString.call(date) === '[object Date]') {
		var newdate = date.getFullYear() + '-'
		     		+ ('0' + (date.getMonth()+1)).slice(-2) + '-'
					+ ('0' + date.getDate()).slice(-2);

		return newdate;
	}
}

function fDatetimeYMD(date) {
	//Format datetime to 'yyyy-MM-dd hh:mm:ss'
	
	if (typeof date == 'undefined') date = new Date();
	if (Object.prototype.toString.call(date) === '[object Date]') {
		var newdate = date.getFullYear() + '-'
		     		+ ('0' + (date.getMonth()+1)).slice(-2) + '-'
					+ ('0' + date.getDate()).slice(-2) + ' '
		     		+ ('0' + date.getHours()).slice(-2) + ':'
		     		+ ('0' + date.getMinutes()).slice(-2) + ':'
		     		+ ('0' + date.getSeconds()).slice(-2);
		return newdate;
	} 
}