function checkform(that) { // for freepass sites var errormessage = new String(); // Put field checks below this point. if(WithoutCheck(that.adult)) { errormessage += "\n\nYou must be at least 18 years old."; } if(WithoutContent(that.password.value)) { errormessage += "\n\nPlease input a password."; } if(WithoutContent(that.email.value)) { errormessage += "\n\nPlease input an email."; } else if(InvalidEmail(that.email.value)) { errormessage += "\n\nYour email address is formated incorrectly."; } // Put field checks above this point. if(errormessage.length > 2) { alert('NOTE:' + errormessage); return false; } else return true; } // end of function CheckRequiredFields() function WithoutContent(ss) { if(ss.length > 0) { return false; } return true; } function NoneWithContent(ss) { for(var i = 0; i < ss.length; i++) { if(ss[i].value.length > 0) { return false; } } return true; } function NoneWithCheck(ss) { for(var i = 0; i < ss.length; i++) { if(ss[i].checked) { return false; } } return true; } function WithoutCheck(ss) { if(ss.checked) { return false; } return true; } function WithoutSelectionValue(ss) { for(var i = 0; i < ss.length; i++) { if(ss[i].selected) { if(ss[i].value.length) { return false; } } } return true; } function StripSpacesFromEnds(s) { while((s.indexOf(' ',0) == 0) && (s.length> 1)) { s = s.substring(1,s.length); } while((s.lastIndexOf(' ') == (s.length - 1)) && (s.length> 1)) { s = s.substring(0,(s.length - 1)); } if((s.indexOf(' ',0) == 0) && (s.length == 1)) { s = ''; } return s; } function RemoveEmbeddedSpaces(s) { var i = s.indexOf(' ',0); while(i > -1) { s = s.substring(0,i) + s.substring((i + 1),s.length); i = s.indexOf(' ',0); } return s; } function IsItPresent(s) { if(s.length > 0) { return true; } return false; } function CheckEmail(s_email) { s_email = StripSpacesFromEnds(s_email); s_email = RemoveEmbeddedSpaces(s_email); if(IsItPresent(s_email) == false) { return false; } if( (s_email.length <6) || (s_email.indexOf('@',0) < 1) || (s_email.lastIndexOf('@') != s_email.indexOf('@',0)) || (s_email.lastIndexOf('@') > (s_email.length - 5)) || (s_email.indexOf('..',0) > -1) || (s_email.indexOf('@.',0) > -1) || (s_email.indexOf('.@',0) > -1) || (s_email.indexOf(',',0) > -1) ) { return false; } return true; } function InvalidEmail(s_email) { return !CheckEmail(s_email); }