function abre1(){
bName = navigator.appName; 
bVer = parseInt(navigator.appVersion);
bPlat = navigator.platform;
bancho = screen.width
balto = screen.height
cancho = screen.width-10
calto = screen.height-80



if (bName != "Microsoft Internet Explorer")
window.open('intro.html', 'nom', 'type=fullWindow,fullscreen=yes,scrollbars=no,status=yes,location=no,directories=no,menubar=no,resizable=no');

if (bName == "Microsoft Internet Explorer"){
if (screen.width + "x" +screen.height == "800x600")
 window.open('intro.html', 'nom', 'scrollbars=yes,status=no,location=no,left=0,top=0,height=538,width=795,directories=no,menubar=no,resizable=no');
if (screen.width + "x" +screen.height == "640x480")
 window.open('intro.html', 'nom', 'scrollbars=yes,status=no,location=no,left=0,top=0,height=428,width=635,directories=no,menubar=no,resizable=no');
if (screen.width + "x" +screen.height == "1024x768")
 window.open('intro.html', 'nom', 'scrollbars=yes,status=no,location=no,left=0,top=0,height=703,width=1019,directories=no,menubar=no,resizable=no');
if (screen.width + "x" +screen.height == "1280x1024")
 window.open('intro.html', 'nom', 'scrollbars=yes,status=no,location=no,left=0,top=0,height=972,width=1275,directories=no,menubar=no,resizable=no');
if (screen.width + "x" +screen.height == "1600x1200")
 window.open('intro.html', 'nom', 'scrollbars=yes,status=no,location=no,left=0,top=0,height=1148,width=1595,directories=no,menubar=no,resizable=no');
if (screen.width + "x" +screen.height >= "1024x768")
 window.open('intro.html', 'nom', 'fullWindow,fullscreen=yes,scrollbars=yes,status=no,location=no,left=0,top=0,directories=no,menubar=no,resizable=no');}
}