/* allow alphanumeric keyboard input  */
function alphanumeric(event) {
var keyCode = window.event.keyCode;

if (keyCode == 8 || keyCode == 9 || keyCode == 35)  // 35 is #
   return true;
if (keyCode > 32 && keyCode < 48) 
   return false;					// 48 to 57 = 0 to 9
if (keyCode > 57 && keyCode < 65) 
   return false;					// 65 to 90 = A to Z
if (keyCode > 90 && keyCode < 97)
   return false; 					// 97 to 122 = a to z
if (keyCode > 122)
   return false; 
return true;
}

/* ************** Blocks Alpha Keyboard input Allows only Numbers ************** */
function numberOnly(event)  {
var keyCode = window.event.keyCode;

if (keyCode == 8 || keyCode == 9)
   return true;
if (keyCode < 47 || keyCode > 57)
   return false;
if (keyCode == 47) // Don't allow '/'
   return false;
return true;
}

/* ************** End ************** */


/* ************** Blocks numeric keyboard input Allows only alpha ************** */

function alphaOnly(event) {
var keyCode = window.event.keyCode;

if (keyCode == 8 || keyCode == 9 || keyCode == 44 || keyCode == 45 || keyCode == 46)
   return true;
if (keyCode > 32 && keyCode < 65)
   return false;
if (keyCode > 90 && keyCode < 97)
   return false; 
if (keyCode == 47) // Don't allow '/'
   return false;
return true;
}

/* ************** End ************** */
 
 /* ********************************** validate keyboard input - dates * */
function dtenumOnly(evnt) {
	var keyCode = window.event.keyCode;

	if (keyCode == 8 || keyCode == 9)
		return true;
	if (keyCode < 45 || keyCode > 57)
		return false;
	if (keyCode == 46) // Dont allow '.'
		return false;	
	return true;
}
/* ******************************************************************** */

/* ************** Allows only DOLLAR Numbers ************** */
function dollarOnly(event)  {
var keyCode = window.event.keyCode;

if (keyCode == 8 || keyCode == 9 || keyCode == 46) // allow '.'
   return true;
if (keyCode < 47 || keyCode > 57)
   return false;
if (keyCode == 47) // Don't allow '/'
   return false;
return true;
}
/* ******************************************************************** */