function emailCheck (emailStr) { /* The following variable tells the rest of the function whether or not to verify that the address ends in a two-letter country or well-known TLD. 1 means check it, 0 means don't. */ var checkTLD=1; /* The following is the list of known TLDs that an e-mail address must end with. */ var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/; /* The following pattern is used to check if the entered e-mail address fits the user@domain format. It also is used to separate the username from the domain. */ var emailPat=/^(.+)@(.+)$/; /* 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't; anything goes). E.g."jiminy cricket"@disney.com is a legal e-mail 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 e-mail 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 +")*$"); /* Finally, let's start trying to figure out if the supplied address is valid. */ /* Begin with the coarse pattern to simply break up user@domain into different pieces that are easy to analyze. */ var matchArray=emailStr.match(emailPat); if (matchArray==null) { /* Too many/few @'s or something; basically, this address doesn't even fit the general mould of a valid e-mail address. */ alert("We cannot process your registration because you have not entered an email address or the email address you have entered is not valid."); return false; } var user=matchArray[1]; var domain=matchArray[2]; // Start by checking that only basic ASCII characters are in the strings (0-127). for (i=0; i127) { alert("This is not a valid email address."); return false; } } for (i=0; i127) { alert("This is not a valid email address."); return false; } } // See if"user" is valid if (user.match(userPat)==null) { // user is not valid alert("This is not a valid email address."); return false; } /* if the e-mail address is at an IP address (as opposed to a symbolic host name) make sure the IP address is valid. */ var IPArray=domain.match(ipDomainPat); if (IPArray!=null) { // this is an IP address for (var i=1;i<=4;i++) { if (IPArray[i]>255) { alert("This is not a valid email address."); return false; } } return true; } // Domain is symbolic name. Check if it's valid. var atomPat=new RegExp("^" + atom +"$"); var domArr=domain.split("."); var len=domArr.length; for (i=0;i<<Return to floral designs") } //end if } function smWinBuy(prod) { opener.window.location=prod; window.close(); } function showHideLayerSwitch(layerName){ //this function creates the display/hide text of the news function when you click on the title thisID = document.getElementById(layerName) displayVar = thisID.style.display if (displayVar == "" || displayVar == "none"){ displayVar = "block" } else{ displayVar = "none" } thisID.style.display = displayVar } var dvdprice="£19.95";