function checkAddBasket()
{
 f=document.basket;
 if ((f.size.length>1)&&(f.size.selectedIndex==0))
 {
  alert("Please select a size");
  return(false);
 }
 if ((f.colour.length>1)&&(f.colour.selectedIndex==0))
 {
  alert("Please select a colour");
  return(false);
 }
 if (document.cookie!='')
  f.userid.value=document.cookie.substring(5);
}

function checkEmailFriend()
{
 f=document.form;
 if (f.email.value=='')
 {
  alert("Please enter your email address");
  return(false);
 }
 else
 {
  var str = f.email.value;
  var supported = 0;
  if (window.RegExp)
  {
   var tempStr = "a";
   var tempReg = new RegExp(tempStr);
   if (tempReg.test(tempStr))
    supported = 1;
  }
  if (!supported) 
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  if ((!r1.test(str)==true)&&(r2.test(str)==false))
  {
   alert('Sorry, you must provide a real email address');
   return(false);
  }
 }
 if (f.recipient.value=='')
 {
  alert("Please enter your friend's email address");
  return(false);
 }
 else
 {
  var str = f.recipient.value;
  var supported = 0;
  if (window.RegExp)
  {
   var tempStr = "a";
   var tempReg = new RegExp(tempStr);
   if (tempReg.test(tempStr))
    supported = 1;
  }
  if (!supported) 
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  if ((!r1.test(str)==true)&&(r2.test(str)==false))
  {
   alert('Sorry, you must provide a real email address');
   return(false);
  }
 }
 if (f.subject.value=='')
 {
  alert("Please enter a subject for the email");
  return(false);
 }
}