function chkMaskEMAIL(field,event){var keyCode=(_dom==1||_dom==2?window.event.keyCode:event.which);var key=String.fromCharCode(keyCode);var isKey=(String('1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM').indexOf(key)!=-1);var isAction=(String('0,8,13').indexOf(keyCode)!=-1||event.ctrlKey);return(isKey||isAction);}function chkEMAIL(field){var keySet="1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";for(var i=0;i<field.value.length;i++){if(keySet.indexOf(field.value.charAt(i))==-1)return false;}return(field.value.length==0)||(field.value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/)!=-1);}