function chgcell(EL,color)
  {
     var lastcell=EL;
     lastcell.className=color;
  }
  var win=null;

  function NewWindow(mypage,myname,w,h,scroll,pos){
  if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
  if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
  else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
  settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
  win=window.open(mypage,myname,settings);}

  function NewWindow2(mypage,myname,w,h,scroll,pos){
  if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
  if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
  else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
  settings='width=600,height=450,scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
  win=window.open(mypage,myname,settings);}
  
  function NewWindowSSL(mypage,myname,w,h,scroll,pos){
  if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
  if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
  else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
  settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=yes,menubar=no,toolbar=no,resizable=yes';
  win=window.open(mypage,myname,settings);}
  
// Neils code to ignore non numeric fields  
var ns4=document.layers?1:0
var ie4=document.all?1:0
var ns6=document.getElementById&&!document.all?1:0
function whichNumber(e)
{
	alert(e.which);
}
function checkField(e)
{
	if(ie4)
	{
		if(event.keyCode > 47 && event.keyCode < 58)
		{
			return true
		}
		else
		{
			return false;
		}
	}
	if(ns4)
	{
		if(e.which > 47 && e.which < 58 || e.which==8)
		{
			return true;
		}
		else
		{
			return false;
		}
	}
	if(ns6)
	{
		if(e.which > 47 && e.which < 58)
		{
			return true;
		}
		else
		{
			document.orderform.cardnumber.value = document.orderform.cardnumber.value.substring(0,document.orderform.cardnumber.value.length - 1);
		}
	}
}
function init()
{
	    document.orderform.cardnumber.onkeypress = checkField;
}

function NewPopUp(mypage,myname,w,h,scroll,pos){
if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):200;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-100)):200;}
if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:200;TopPosition=(screen.height)?(screen.height-h)/2:200;}
else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win=window.open(mypage,myname,settings);}


function numbersonly(myfield, e, dec)
{
var key;
var keychar;
if (window.event)
key = window.event.keyCode;
else if (e)
key = e.which;
else
return true;
keychar = String.fromCharCode(key);
// control keys
if ((key==null) || (key==0) || (key==8) || 
(key==9) || (key==13) || (key==27) )
return true;
// numbers
else if ((("0123456789").indexOf(keychar) > -1))
return true;
// decimal point jump
else if (dec && (keychar == "."))
{
myfield.form.elements[dec].focus();
return false;
}
else
return false;
}