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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>EMAIL检验</title> </head> <body> <SCRIPT LANGUAGE=" JavaScript"> <!-- function check() { if(document.register.email.value.length!=0) { if (document.register.email.value.charAt(0)=="." || document .register.email.value.charAt(0)=="@"||. document.register.email.value.indexOf('@', 0) == -1 ||. '.', 0) == -1 ||. document.register.email.value.lastIndexOf("@")==document.register.email.value.length-1 || ("".")==document.register.email.value.length-1) { Alert("Email的格式不正确！"); document.register.email.focus(); return false; } } else { Alert("E-Mail-Adresse für die E-Mail-Adresse"); document.register.email.focus(); return false; } return false; } //--> </SCRIPT> <form name="register" method="POST" action onSubmit="return check();"> <p align="center"> Email:<input type="text" name="email" size="20"> <input type="submit" value="提交" name="B1"> <input type="reset" value="重填" name="B2"> </ p> </form> </body> </html>
