/*
******************************************************************************************************************
js.functions.js
JavaScript Funktionen
******************************************************************************************************************
*/

function Validate_Input(e)
{
	var key; 
  var keychar; 
  var validChars = new Array ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '\b', '\t'); 
  
  if(window.event || !e.which) // IE 
  { 
  	key = e.keyCode; // for IE, same as window.event.keyCode 
  } 
  else if(e) // netscape 
  { 
  	key = e.which; 
  } 
  else 
  { 
  	return true; 
  } 

  keychar = String.fromCharCode(key); 
  keychar = keychar.toLowerCase(); 
     
  for (var j = 0; j < validChars.length; j++)
  	if (keychar == validChars[j])
    	return true; 

 	return false; 
}