function checkEpaper(){var epaper_email=document.getElementById("epaper").value;var reg_email=new RegExp("^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\\.[a-zA-Z0-9_-]{2,15}){1,30})$");var states=reg_email.test(epaper_email);if(!states){document.getElementById("epaper_id").style.display="";document.getElementById("epaper_id").innerHTML="<span style='color:red'>輸入E-mail格式有誤</span>";}else{CheckSubscribeEpaper.dwrQueryEmail(epaper_email,callback);}}function callback(msg){if(msg=="false"){msg="您的E-mail已申請過";dwr.util.setValue("epaper_id",msg);}else{if(msg=="true"){msg="訂閱完成";dwr.util.setValue("epaper_id",msg);}}}