var win= null;
function FullWindow(mypage,myname,w,h,toolbar,scroll){

var sw = screen.width
var sh = screen.height

// Enter as a decimal percent of screen size
var ww = .99 // desired window width
var wh = .82 // desired window height
var wt = .00 // desired window top
var wl = .00 // desired window left

// Convert percentages to pixels for all screen resolutions
ww = Math.ceil(sw * ww) // you could enter 
wh = Math.ceil(sh * wh) // actual pixels
wt = Math.ceil(sh * wt) // replacing
wl = Math.ceil(sw * wl) // Math.ceil(?? * ??)

var settings ='height=' +wh +',';
settings +='width=' +ww +',';
settings +='top=' +wt +',';
settings +='left=' +wl +',';
settings +='scrollbars='+scroll+',';
settings +='toolbar='+toolbar+',';
settings +='resizable=yes';

win=window.open(mypage,myname,settings);
if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}