function eCheck(surl){
var em = $("#email").val();
if (emailCheck(em) == true){
$.get(surl, { param1: em,service: "emailcheck" },
					function(data){
						if (data == 'FAIL'){
							$("#msg").show();
							$("#msg").text('This email is taken.');
							
							}else{
							
							
							// Email is ok and needs to clear
							$("#msg").fadeOut(50);
							$("#msg").text('');
						
							
							}
					});
}
return false;
}


function unameCheck(surl){
var un = $("#name").val();
if (un != '' && un.length >= 3){
$.get(surl, { param1: un,service: "unamecheck" },
					function(data){
						if (data == 'FAIL'){
						$("#msgUsername").show();
							$("#msgUsername").text('This username is taken.');
							
							}else{
							
							
							// Email is ok and needs to clear
							$("#msgUsername").fadeOut(50);
							$("#msgUsername").text('');
							
							
							}
					});
 }
return false;
}




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|ca|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. */
 
		
		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; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
		
		return false;
		}
	}
	for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {
		
		return false;
		}
	}
	// If we've gotten this far, everything's valid!
	return true;
}