/**
 * Developed by Aspire Systems
 * @authour : Mukul Das
 */
function checkDiscountCoupon(coupon_code){  
	var  str_query="coupon_code="+coupon_code;
	  
	if(coupon_code!=""){
		var is_valid= false;
	    $.ajax({
            type: "GET",
            url: base_url+"discounts/is-coupon-available" ,
            data: str_query ,
			async: false ,
            success: function(msg){
				var response = (eval("(" + msg + ")"));
				if (response.is_error == 0) {					
					//$('#discount_coupon_msg').hide();
					 is_valid= true;
				}
				else {
					$('#discount_coupon_msg').html(response.msg);
					$('#discount_coupon_msg').show();
					 is_valid= false;
				}
			}
        });
		return is_valid;
	}else{
		return true;
	}
}