function display_image(){   
    document.write('<a href=\'javascript:openup();\'><img src="http://www.iraaa.org/images/prefmember.gif" border=0 /></a>');
}

function openup(){
    //window.open("http://www.iraaa.org/trustmem.aspx?id="+id+"","mywin","left=20,top=20,width=500,height=465,toolbar=0,resizable=0,scrollbars=1");
    window.open("http://www.iraaa.org/profile.aspx?mid="+id+"","mywin");
}