function vldEm(a){if(a.match(/^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/)){return 1}else{return 0}}
function vldPw(a){if(a.match(/[^\w\`\~\!\@\#\$\%\^\&\*\(\)\-\=\+\[\]\\\{\}\|\;\:\'\"\.\<\,\>\/\?]/)){return 0}else{return 1}}