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function CheckHaveCoupon()
{
var str =CheckCoupon("xxxx");
alert(checkCoupon);
}
function CheckCoupon(CouponValue)
{
var param = "Option=checkCoupon&CouponValue="+ CouponValue;
var options=
{
method:'post',
parameters:param,
onComplete:
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{
var retv=transport.responseText;
return retv;
}
}
new Ajax.Request('../filehandle/coupon.ashx',options);
}
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