function Trim(strValor)
{
   return strValor.replace(/(^\s*)|(\s*$)/g, "");
}

function IntegerValue()
{
		//alert(event.keyCode);
		switch(event.keyCode)
		{
			case 48:
			case 49:
			case 50:
			case 51:
			case 52:
			case 53:
			case 54:
			case 55:
			case 56:
			case 57:break;			
			default:event.returnValue=false;break;
		}		
}

function emailCheck (emailStr) {
	emailError = "";	
	/* 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. */		
		emailError = "Direcci&oacute;n incorrecta (controlar '@' y '.')";
		return emailError;
	}
	var user=matchArray[1]
	var domain=matchArray[2]
	
	// See if "user" is valid 
	if (user.match(userPat)==null) {
		// user is not valid
		emailError = "La parte de la direcci&oacute;n anterior a la '@' es incorrecta";
		return emailError;
	}
	
	/* 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) {
				emailError = "La IP del destinatario es inv&aacutelida";
			return emailError;
			}
		}
		return emailError;
	}
	
	// Domain is symbolic name
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		emailError = "La parte de la direcci&oacute;n posterior a la '@' es incorrecta";
		return emailError;
	}
	
	/* 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>6) {
		// the address must end in a two letter or other TLD including museum
		emailError = "La direcci&oacute;n debe finalizar con un dominio v&aacutelido (ej: .com), o con dos letras pa&iacutes";
		return emailError;
	}
	
	// Make sure there's a host name preceding the domain.
	if (len<2) {
		//var errStr="This address is missing a hostname!"
		emailError = "La direcci&oacute;n no contiene hostname";
		return emailError;
	}
	
	// If we've got this far, everything's valid!
	return emailError;
}
	
function Trim(strValor)
{
   return strValor.replace(/(^\s*)|(\s*$)/g, "");
}

function fSessionEnd()
{
	top.window.location = "/Empresa/LogIns.aspx";
}