var let2 = new Array( 'À','Á','Â','Ã','Ä','Å','Æ','Ç','È','É','Ê','Ë','Ì','Í','Î','Ï','Ð','Ñ','Ò','Ó','Ô','Õ','Ö','×','Ø','Ù','Ú1','Û1','Ü1','Ý','Þ','ß');
var nMiddle2 = Math.round(let2.length/2)+2;
var let1 = new Array( 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'); 
var nMiddle1 = Math.round(let1.length/2)+2;