Código HTML:
<html> <script> function URLRequest(newURL,targetURL='_blank'){ var winName = 'templates'; var winUrl = newURL; var winOpento =targetURL; var winConf = 'status=0, toolbar=0, directories=0, fullscreen=1, location=0, menubar=0, scrollbars=0'; window.open(winUrl,winOpento,winConf); } </script> <body onload:"javascript:URLRequest(\'http:www.miweb.com\')"> asdasdasdasd </body> </html>