Change pledge amount

{%if isempty|errors == false} {%foreach error in errors}
{%?error}
{%/foreach} {%/if}
{%select name="currency"} {%option value="usd" text="US Dollar"} {%option value="eur" text="Euro"} {%option value="btc" text="Bitcoin"} {%/select}
{%input type="text" name="amount"}