eval('function trim(str) {return str.replace(/^\\s*(.*?)[\\s\\n]*$/g, "$1");}; function checkdata(){ var username = trim(document.login.username.value); var unlen=username.replace(/[^\\x00-\\xff]/g, "**").length; var password = document.login.password.value; if( unlen<1 || unlen>15 ) { alert("\请输入正确的19楼通行证用户名 !!"); return false; }; if(password.length<1) { alert("请您输入正确的登录密码 !!"); return false; }else return true; };'); document.write('