			<!-- Begin
			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=/^(.+)@(.+)$/
				var emailPat=/^([a-zA-Z0-9._-]+)@(.+)$/
				/* 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("Email адрес введен некорректно \n(убедитесь что используются английские буквы, проверьте наличие @ и .)");
					//alert("???-???? ?? ????");
					return false;
				}
				var user=matchArray[1]
				var domain=matchArray[2]
				
				// See if "user" is valid 
				if (user.match(userPat)==null)
				{
					// user is not valid
					//alert("Имя пользователя введено неверно или отсутствует.");
					//alert("???-???? ?? ????");
					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("IP адрес назначени неверный или отсутствует!")
							//alert("???-???? ?? ????");
							return false;
						}
					}
					return true
				}

				// Domain is symbolic name
				var domainArray=domain.match(domainPat)
				if (domainArray==null)
				{
					//alert("Неверно введено или отсутствует имя домена.");
					//alert("???-???? ?? ????");
					return false;
				}
				
				/* domain name seems valid, but now make sure that it ends in a
				three-letter word (like com, 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.
					//alert("Адрес должен заканчиваться 3 буквами после точки для домена, или 2 буквами для страны.")
					//alert("???-???? ?? ????");
					return false;
				}
				
				// Make sure there's a host name preceding the domain.
				if (len<2)
				{
					//var errStr="У адреса пропущено или отсутствует имя хостинга!"
					var errStr="Неправильный E-mail";
					//alert(errStr);
					return false;
				}

				// If we've gotten this far, everything's valid!
				return true;
			}
			// End -->