function open_sim(myurl) {
var minimenu ;
minimenu=window.open(myurl,'simwin','toolbar=no,scrollbars=yes,resizable=yes,width=580,height=840,left=0,top=0') ;
minimenu.focus() ;
}

function open_sim2(myurl) {
var minimenu ;
minimenu=window.open(myurl,'simwin2','toolbar=no,scrollbars=yes,resizable=yes,width=520,height=400,left=0,top=0') ;
minimenu.focus() ;
}