function multiEmail(email_field){var email=email_field.split(',');for(var i=0;i<email.length;i++){if(!validateEmail(email[i],1,0)){return false;}}return true;}function validateEmail(addr,man,db){if(addr==''&&man){if(db)alert('email address is mandatory');return false;}var invalidChars='\/\'\\ ";:?!()[]\{\}^|';for(i=0;i<invalidChars.length;i++){if(addr.indexOf(invalidChars.charAt(i),0)>-1){if(db)alert('email address contains invalid characters');return false;}}for(i=0;i<addr.length;i++){if(addr.charCodeAt(i)>127){if(db)alert("email address contains non ascii characters.");return false;}}var atPos=addr.indexOf('@',0);if(atPos==-1){if(db)alert('email address must contain an @');return false;}if(atPos==0){if(db)alert('email address must not start with @');return false;}if(addr.indexOf('@',atPos+1)>-1){if(db)alert('email address must contain only one @');return false;}if(addr.indexOf('.',atPos)==-1){if(db)alert('email address must contain a period in the domain name');return false;}if(addr.indexOf('@.',0)!=-1){if(db)alert('period must not immediately follow @ in email address');return false;}if(addr.indexOf('.@',0)!=-1){if(db)alert('period must not immediately precede @ in email address');return false;}if(addr.indexOf('..',0)!=-1){if(db)alert('two periods must not be adjacent in email address');return false;}var suffix=addr.substring(addr.lastIndexOf('.')+1);if(suffix.length!=2&&suffix!='com'&&suffix!='net'&&suffix!='org'&&suffix!='edu'&&suffix!='int'&&suffix!='mil'&&suffix!='gov'&suffix!='arpa'&&suffix!='biz'&&suffix!='aero'&&suffix!='name'&&suffix!='coop'&&suffix!='info'&&suffix!='pro'&&suffix!='museum'){if(db)alert('invalid primary domain in email address');return false;}return true;}