function popup_1(my_url)
{window.open(my_url,"","width=400,height=140,scrollbars=auto");}

function popup_2(my_url)
{window.open(my_url,"","width=430,height=120,scrollbars=auto");}

function popup_3(my_url)
{window.open(my_url,"","width=430,height=160,scrollbars=auto");}