/* makes text in search text box disappear*/ var navname,navvers,newsnavc=0,sidebarcnt; navname=navigator.appName; navvers=parseInt(navigator.appVersion); js_ok = ((navname == "Microsoft Internet Explorer") && (navvers >= 4 )) || ((navname == "Netscape") && (navvers >= 4 )); function inputswap(me,def,setto) { if(js_ok) { if(me.value==def) { me.value=setto; } } } /* image rollover script*/ function MM_preloadImages() { //v3.0 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array(); var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i @ , ; : \ " . [ ] */ var specialChars = "\\(\\)<>@,;:\\\\\\\"\\.\\[\\]" /* The following string represents the range of characters allowed in a username or domainname. It really states which chars aren't allowed. */ var validChars = "\[^\\s" + specialChars + "\]" /* The following pattern applies if the "user" is a quoted string (in which case, there are no rules about which characters are allowed and which aren'tl anything goes.) E.g. "jiminy cricket"@disney.com is a legal email address. */ var quotedUser = "(\"[^\"]*\")" /* The following pattern applies for domains that are IP addresses, rather than symbolic names. E.g. joe@[123.124.233.4] is a legal email address. NOTE: The square brackets are required. */ var ipDomainPat = /^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/ /* The following string represents an atom (basically a series of non-special characters.) */ var atom = validChars + '+' /* The following string represents one word in the typical username. For example, in john.doe@somewhere.com, john and doe are words. Basically, a word is either an atom or quoted string. */ var word = "(" + atom + "|" + quotedUser + ")" // The following pattern describes the structure of the user var userPat = new RegExp("^" + word + "(\\." + word + ")*$") /* The following pattern describes the structure of a normal symbolic domain, as opposed to ipDomainPat, shown above. */ var domainPat = new RegExp("^" + atom + "(\\." + atom +")*$") /* Finally, let's start trying to figure out if the supplied address is valid */ /* Begin with the coarse pattern to simply break up user@domain into different pieces that are easy to analyze. */ var matchArray = emailStr.match(emailPat) emailErrorMessage = ""; if (matchArray==null) { /* Too many/few @'s or something; basically, this address doesn't even fit the general mold of a valid email address. */ emailErrorMessage = emailErrorMessage + "Email address seems incorrect (check @ and .'s)\r"; return false; } var user=matchArray[1] var domain=matchArray[2] // See if "user" is valid if (user.match(userPat)==null) { // user is not valid emailErrorMessage = emailErrorMessage + "The email address username doesn't seem to be valid.\r"; return false; } /* if the email address is an IP address (as opposed to a symbolic host name) make sure the IP address is valid. */ var IPArray = domain.match(ipDomainPat) if (IPArray!=null) { // this is an IP address for (var i=1;i<=4;i++) { if (IPArray[i]>255) { emailErrorMessage = emailErrorMessage + "The email address destination IP address is invalid!\r"; return false; } } return true; } // Domain is a symbolic name var domainArray = domain.match(domainPat) if (domainArray==null) { emailErrorMessage = emailErrorMessage + "The email address domain name doesn't seem to be valid.\r"; return false; } /* domain name seems valid, but now make sure that it ends in a three-letter word (like come, edu, gov) or a two-letter word, representing country (uk, nl), and that there's a hostname preceding the domain or country. */ /* Now we need to break up the domain to get a count of how many atoms it consists of. */ var atomPat = new RegExp(atom,"g") var domArr = domain.match(atomPat) var len = domArr.length if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) { // the address must end in a two letter or three letter word. emailErrorMessage = emailErrorMessage + "The email address must end in a three-letter domain, or two letter country.\r"; return false; } // Make sure there's a host name preceding the domain. if (len<2) { emailErrorMessage = emailErrorMessage + "The email address is missing a hostname.\r"; return false; } // If we've gotten this far, everything's valid! return true; } /* Video catalogue order form error check */ var emailErrorMessage = ""; function errorCheckVideoCat() { // Create some variables for errorCheck function var requiredFieldsErrorMessage = ""; var vidtitleEntered = ""; var tapenumEntered = ""; var nameEntered = ""; var occValue = false; var howfValue = false; var tapesysEntered = ""; var tapetypeEntered = ""; var TapeUseEntered = ""; var orgEntered = ""; var streetEntered = ""; var townEntered = ""; var zipEntered = ""; var countryEntered = ""; var telephoneEntered = ""; var emailEntered = ""; var MailListEntered = ""; // Required fields error checking vidtitleEntered = document.forms['orderform'].elements['Title'].value; tapenumEntered = document.forms['orderform'].elements['TapeNumber'].value; tapesysEntered = document.forms['orderform'].elements['TapeSystem'].selectedIndex; tapetypeEntered = document.forms['orderform'].elements['TapeFormat'].selectedIndex; for (i=0;i<5;i++) { if (document.forms['orderform'].elements['Occupation'][i].checked==true) { occValue = true; } } for (i=0;i<6;i++) { if (document.forms['orderform'].elements['HowFound'][i].checked==true) { howfValue = true; } } TapeUseEntered = document.forms['orderform'].elements['TapeUse'].value; nameEntered = document.forms['orderform'].elements['PersonName'].value; orgEntered = document.forms['orderform'].elements['PersonOrg'].value; streetEntered = document.forms['orderform'].elements['PersonStreet'].value; townEntered = document.forms['orderform'].elements['PersonTown'].value; stateEntered = document.forms['orderform'].elements['PersonState'].value; zipEntered = document.forms['orderform'].elements['PersonZip'].value; countryEntered = document.forms['orderform'].elements['Country'].value; telephoneEntered = document.forms['orderform'].elements['Telephone'].value; emailEntered = document.forms['orderform'].elements['Email'].value; MailListEntered = document.forms['orderform'].elements['MailList'].selectedIndex; if ((!vidtitleEntered) || (!tapenumEntered) || (!tapesysEntered) || (!tapetypeEntered) || (!occValue) || (!howfValue) || (!TapeUseEntered) || (!nameEntered) || (!orgEntered) || (!streetEntered) || (!stateEntered) || (!townEntered) || (!zipEntered) || (!countryEntered) || (!telephoneEntered) || (!emailEntered) || (!MailListEntered)) { if (!vidtitleEntered) { requiredFieldsErrorMessage = "- Title\r"; } if (!tapenumEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Tape Number\r"; } if (!tapesysEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Tape System\r"; } if (!tapetypeEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Tape Format\r"; } if (!occValue) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Occupation\r"; } if (!howfValue) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Heard about video catalogue via?\r"; } if (!TapeUseEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- How will this tape be used?\r"; } if (!nameEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Name\r"; } if (!orgEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Organization\r"; } if (!streetEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Street\r"; } if (!townEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Town/City\r"; } if (!stateEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Province/State\r"; } if (!zipEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Postal Code\r"; } if (!countryEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Country\r"; } if (!telephoneEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Telephone\r"; } if (!emailEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Email\r"; } if (!MailListEntered) { requiredFieldsErrorMessage = requiredFieldsErrorMessage + "- Mailing List\r"; } } // email error checking if (emailEntered) { emailEntered = document.forms['orderform'].elements['Email'].value; emailCheck(emailEntered); } // Letting the user know what was missed if ((requiredFieldsErrorMessage) || (emailErrorMessage)) { alertMessage = "The following information are missing or invalid:\r"; alertMessage = alertMessage + requiredFieldsErrorMessage; alertMessage = alertMessage + emailErrorMessage; alert(alertMessage); } else { document.forms['orderform'].submit(); } } function emailCheck(emailStr) { /* The following pattern is used to check if the entered e-mail address fits the user@domain format. It also is used to separate the username from the domain. */ var emailPat = /^(.+)@(.+)$/ /* The following string represents the pattern for matching all special characters. We don't want to allow special characters in the address. These characters include ( ) < > @ , ; : \ " . [ ] */ var specialChars = "\\(\\)<>@,;:\\\\\\\"\\.\\[\\]" /* The following string represents the range of characters allowed in a username or domainname. It really states which chars aren't allowed. */ var validChars = "\[^\\s" + specialChars + "\]" /* The following pattern applies if the "user" is a quoted string (in which case, there are no rules about which characters are allowed and which aren'tl anything goes.) E.g. "jiminy cricket"@disney.com is a legal email address. */ var quotedUser = "(\"[^\"]*\")" /* The following pattern applies for domains that are IP addresses, rather than symbolic names. E.g. joe@[123.124.233.4] is a legal email address. NOTE: The square brackets are required. */ var ipDomainPat = /^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/ /* The following string represents an atom (basically a series of non-special characters.) */ var atom = validChars + '+' /* The following string represents one word in the typical username. For example, in john.doe@somewhere.com, john and doe are words. Basically, a word is either an atom or quoted string. */ var word = "(" + atom + "|" + quotedUser + ")" // The following pattern describes the structure of the user var userPat = new RegExp("^" + word + "(\\." + word + ")*$") /* The following pattern describes the structure of a normal symbolic domain, as opposed to ipDomainPat, shown above. */ var domainPat = new RegExp("^" + atom + "(\\." + atom +")*$") /* Finally, let's start trying to figure out if the supplied address is valid */ /* Begin with the coarse pattern to simply break up user@domain into different pieces that are easy to analyze. */ var matchArray = emailStr.match(emailPat) emailErrorMessage = ""; if (matchArray==null) { /* Too many/few @'s or something; basically, this address doesn't even fit the general mold of a valid email address. */ emailErrorMessage = emailErrorMessage + "Email address seems incorrect (check @ and .'s)\r"; return false; } var user=matchArray[1] var domain=matchArray[2] // See if "user" is valid if (user.match(userPat)==null) { // user is not valid emailErrorMessage = emailErrorMessage + "The email address username doesn't seem to be valid.\r"; return false; } /* if the email address is an IP address (as opposed to a symbolic host name) make sure the IP address is valid. */ var IPArray = domain.match(ipDomainPat) if (IPArray!=null) { // this is an IP address for (var i=1;i<=4;i++) { if (IPArray[i]>255) { emailErrorMessage = emailErrorMessage + "The email address destination IP address is invalid!\r"; return false; } } return true; } // Domain is a symbolic name var domainArray = domain.match(domainPat) if (domainArray==null) { emailErrorMessage = emailErrorMessage + "The email address domain name doesn't seem to be valid.\r"; return false; } /* domain name seems valid, but now make sure that it ends in a three-letter word (like come, edu, gov) or a two-letter word, representing country (uk, nl), and that there's a hostname preceding the domain or country. */ /* Now we need to break up the domain to get a count of how many atoms it consists of. */ var atomPat = new RegExp(atom,"g") var domArr = domain.match(atomPat) var len = domArr.length if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) { // the address must end in a two letter or three letter word. emailErrorMessage = emailErrorMessage + "The email address must end in a three-letter domain, or two letter country.\r"; return false; } // Make sure there's a host name preceding the domain. if (len<2) { emailErrorMessage = emailErrorMessage + "The email address is missing a hostname.\r"; return false; } // If we've gotten this far, everything's valid! return true; } /* prototype code omitted */