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    copied!<pre><code>var validate; function validateUserName() { validate = true; var u = document.forms["NewUser"]["user"].value var uLength = u.length; var illegalChars = /\W/; // allow letters, numbers, and underscores if (u == null || u == "") { $("#ErrorUser").text("You Left the Username field Emptyyy"); validate = false; } else if (uLength &lt;4 || uLength &gt; 11) { $("#ErrorUser").text("The Username must be between 4 and 11 characters"); validate = false; } else if (illegalChars.test(u)) { $("#ErrorUser").text("The Username contains illegal charectors men!"); validate = false; } } function validatePassword() { var p = document.forms["NewUser"]["pwd"].value var cP = document.forms["NewUser"]["confirmPwd"].value var pLength = p.length; if (p == null || p == "") { $("#ErrorPassword1").text("You left the password field empty"); validate = false; } else if (pLength &lt; 6 || pLength &gt; 20) { $("#ErrorPassword1").text("Your password must be between 6 and 20 characters in length"); validate = false; } else if (p != cP) { $("#ErrorPassword1").text("Th passwords do not match!"); validate = false; } } function validateEmail() { var e = document.forms["NewUser"]["email"].value var eLength = e.length; var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ; var illegalChars= /[\(\)\&lt;\&gt;\,\;\:\\\"\[\]]/ ; if (eLength == "" || eLength == null) { $("#ErrorEmail").text("You left the email field blank!"); validate = false; } else if (e.match(illegalChars)) { $("#ErrorEmail").text("ILEGAL CHARECTORS DETECTED EXTERMINATE"); validate = false; } } function validateFirstName() { var f = document.forms["NewUser"]["fName"].value; var fLength = f.length; var illegalChars = /\W/; if(fLength &gt; 20) { $("#ErrorFname").text("First Name has a max of 20 characters"); validate = false; } else if (illegalChars.test(f)) { $("#ErrorFname").text("Numbers,letter and underscores in first name only"); validate = false; } } function validateLastName() { var l = document.forms["NewUser"]["lName"].value; var lLength = l.length; var illegalChars = /\W/; if(lLength &gt; 100) { $("#ErrorLname").text("Last Name has a max of 100 characters"); validate = false; } else if (illegalChars.test(f)) { $("#ErrorLname").text("Numbers,letter and underscores in last name only"); validate = false; } } function validateForm() { validateUserName(); validatePassword(); validateEmail(); validateFirstName(); validateLastName(); return validate; } </code></pre>
 

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