Example of JavaScript
For .js file function formValidation() { var uid = document.registration.userid; var passid = document.registration.passid; var uname = document.registration.username; var uadd = document.registration.address; var ucountry = document.registration.country; var uzip = document.registration.zip; var uemail = document.registration.email; var umsex = document.registration.msex; var ufsex = document.registration.fsex; if(userid_validation(uid,5,12)) { if(passid_validation(passid,7,12)) { if(allLetter(uname)) { if(alphanumeric(uadd)) { if(countryselect(ucountry)) { ...