Format date fields in CRM

// Formats the date into a certain format
Date.prototype.Format = function(format)
{
	var d = this;
	var f = "";
	f = f + format.replace( /dd|mm|yyyy|MM|hh|ss|ms|APM|s|/|-|,|./ig ,
	function match()  
	{  
		switch(arguments[0])  
		{  
			case "dd":   
			var dd = d.getDate();  
			return (dd < 10)? "0" + dd : dd; 
 
			case "mm":  
			var mm = d.getMonth() + 1;  
			return (mm < 10)? "0" + mm : mm;   
 
			case "yyyy": return d.getFullYear();  
 
			case "hh":   
			var hh = d.getHours();  
			return (hh < 10)? "0" + hh : hh;  
 
			case "MM":   
			var MM = d.getMinutes();   
			return (MM < 10)? "0" + MM : MM; 
 
			case "ss":   
			var ss = d.getSeconds();   
			return (ss < 10)? "0" + ss : ss; 
 
			case "ms": return d.getMilliseconds();
 
			case "APM":   
			var apm = d.getHours();   
			return (apm < 12)? "AM" : "PM";  
 
			default: return arguments[0];  
		}  
	});  
 
	return f;
}
 
// Formats the date to CRM format
Date.prototype.toCRMFormat = function()
{
	var d = this;
	var f = d.Format("yyyy-mm-ddThh:MM:ss+" + (-d.getTimezoneOffset()/60) + ":00");
 
	return f;
}