Here is the code I want to use with a the shopping cart. I input this code and I get directed to paypals home page instead of a cart. I'm not sure what I doing wrong because I am new to this.

var aColors:Array = ["red", "yellow", "green", "black", "grey", "blue"];
clrs_cmb.dataProvider = aColors;
var aSizes:Array = [35, 36, 37, 38, 39, 40];
sizes_cmb.dataProvider = aSizes;
go_btn.onRelease = function() {
var cmd:String = "_cart";
var strAdd:String = "1";
var business:String = "payment@kingsonly.com";
var item_name:String = "LB-100";
var amount:String = "25.00";
var shipping:String = "5.99";
var shipping2:String = "2.99";
var currency_code:String = "USD";
var bn:String = "PP-ShopCartBF";
var strcolor:String = clrs_cmb.selectedItem;
var size:String = sizes_cmb.selectedItem;
trace(strcolor+" "+size);
getURL("https://www.paypal.com/cgi-bin/webscr", "_blank", "POST");
};


This code works for a button which gets directed to our paypal account:

on (release){
var paypalObj = new Object();
paypalObj['add'] = 1
paypalObj.cmd = '_cart';
paypalObj.business = 'payment@kingsonly.com';
paypalObj.item_name = 'City Wear';
paypalObj.item_number = 'LB-100';
paypalObj.amount = '25.00';
paypalObj.no_shipping = '0';
paypalObj.shipping = '';
paypalObj.tax = '';

paypalOBJ.undefined_quantity ='1'
paypalObj.no_note = '1';
paypalObj.currency_code = 'USD';
paypalObj.lc = 'US';
paypalObj.bn = 'PP-ShopCartBF';
paypalObj.target_winName = 'paypal';
paypalObj.shopping_url = ('http://www.kingsonly.com');
var sUrl = 'https://www.paypal.com/cgi-bin/webscr?'
for (var o in paypalObj)
sUrl += o + '=' + paypalObj[o] + '&';
trace(sUrl);
getURL(sUrl,'paypal','POST');
}

How can I incorporate either or to have this feature work