function ynctl ( w ) {
 if ( w == 1 ) { return 'yes' ; } else { return 'no' }
}

function bmw_pop(ADR,w_name,w,h) {
parm = "Width=" + w + ",Height="+ h + ",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,top=0 ,left= 0"  ;
window.open(ADR,w_name,parm);
}

function bmw_winpop_demo(url){
var menu_height=22;
// var status_height=26;
var status_height=6;
var win_frame_width=6;
var w_len_max = 1024 + ( win_frame_width * 2 ) ;
var h_len_max = 768 + (menu_height + status_height);
var w_len = w_len_max ;
var h_len = h_len_max ;

if ( window.screen.availWidth  < w_len_max ) { w_len = window.screen.availWidth ;}
if ( window.screen.availHeight < h_len_max ) { h_len = window.screen.availHeight;}

bmw_pop(url,'bmw', w_len - ( win_frame_width * 2 ) , h_len - menu_height - status_height);
}