var r = new RegExp("[\<|\>|\"|\'|\%|\;|\(|\)|\&|\+|\-]", "i");
// do field validation
if (form.name.value == "") {
alert( "<?php echo T_('Please enter your name.');?>" );
} else if (form.username.value == "") {
alert( "<?php echo T_('Please enter a user name.');?>" );
} else if (r.exec(form.username.value) || form.username.value.length < 3) {
alert( "<?php printf( T_("Please enter a valid %s. No spaces, more than %d characters and containing only the characters 0-9,a-z, or A-Z"), T_('Username:'), 4 );?>" );
} else if (form.email.value == "") {
alert( "<?php echo T_('Please enter a valid e-mail address.');?>" );
} else if ((form.password.value != "") && (form.password.value != form.verifyPass.value)){
alert( "<?php echo T_('Password and verification do not match, please try again.');?>" );
} else if (r.exec(form.password.value)) {
alert( "<?php printf( T_("Please enter a valid %s. No spaces, more than %d characters and containing only the characters 0-9,a-z, or A-Z"), T_('Password:'), 4 );?>" );