come creare una finestra popup

[gianluca2004]

Usa questo cosi puoi controllare i parametri

<SCRIPT language="Javascript1.2">
function res()
{

var x=screen.width;
var y=screen.height;
var hx=x/2;
var hy=y/2;
var a=800;  //dimensione larg
var b=600;  //dimensione alt
var ha=a/2;
var hb=b/2;
var dx=hx-ha;
var dy=(hy-hb)-20;
var param="width="+a+",height="+b+",left="+dx+",top="+dy+",screenX="+dx+",screenY="+dy;
window.open("paginachevuoi.html","Popup",param);
}
</SCRIPT>