/* Las siguientes 3 funciones son operaciones de COOKIES: */
function setCookie(c_name,value,expiredays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1)
		{ 
			c_start=c_start + c_name.length+1; 
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		} 
	}
	return "";
}
//La siguiente funcion es de ejemplo para test
function checkLoginCookie(){
	username=getCookie('boondogglen');
	if (username!=null && username!="")
	{
		alert('Welcome again '+username+'!');
	}
}

//La siguiente funcion es de ejemplo
function checkCookie(){
	username=getCookie('username');
	if (username!=null && username!="")
	{
		alert('Welcome again '+username+'!');
	}
	else 
	{
		username=prompt('Please enter your name:',"");
		if (username!=null && username!="")
		{
			setCookie('username',username,365);
		} 
	}
}

function validate_contact(frm) {
	var mens = "";
	var err = 0;
	
	if (frm.name.value == "") {
		mens += "Name is required.\n";
		err = 1;
	}
	if ( (frm.email.value == "" ) ) {
		mens += "Email address is required.\n";
		err = 1;
	}
	else
	if (!emailCheck(frm.email.value)){
		mens += "Invalid email address\n";
		err = 1;
	}
	if (frm.phone.value == "") {
		mens += "Phone number is required.\n";
		err = 1;
	}
	if (err == 1){
		alert(mens);
		return false;
	} else {
		return true;
	}
}

function validate_quote(frm) {
	var mens = "";
	var err = 0;
	
	if (frm.name.value == "") {
		mens += "Name is required.\n";
		err = 1;
	}
	if ( (frm.email.value == "" ) ) {
		mens += "Email address is required.\n";
		err = 1;
	}
	else
	if (!emailCheck(frm.email.value)){
		mens += "Invalid email address\n";
		err = 1;
	}
	if (err == 1){
		alert(mens);
		return false;
	} else {
		return true;
	}
}

function IsNumeric(field)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

   for (i = 0; i < field.value.length && IsNumber == true; i++) 
   { 
      Char = field.value.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   
   if(! IsNumber) {
		alert("There is a mistake in the entered information. \nNot to deposit characters.");
		field.focus();
		field.select();
   }
   else 
   return true;
}

function validate_alfa(str)
{
	var tipo = 0;
	var valid = "ABCDEFGHIJKLMNÑOPQRSTUVWXYZabcdefghijklmnñopqrstuvwxyz0123456789:' ,-+./";
	var ok = "yes";
	var temp;
	
	for (var i=0; i<str.length; i++) 
	{
		temp = "" + str.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") 
		{ 
			ok = "no"; 
			tipo = 1; 
		}
	}
	
	if (ok == "no") 
	{ 
		return false;
	}
	else 
	{
		return true;
	}
}

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. */

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;
   }
}

// See if "user" is valid

if (user.match(userPat)==null) {

// user is not valid

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) {
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<len;i++) {
if (domArr[i].search(atomPat)==-1) {
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 &&
domArr[domArr.length-1].search(knownDomsPat)==-1) {
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
return false;
}

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


function LTrim( value ) {
	
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
	
}
// Removes ending whitespaces
function RTrim( value ) {
	
	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");
	
}
// Removes leading and ending whitespaces
function trim( value ) {
	
	return LTrim(RTrim(value));
	
}
function isValidEmail(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=/^(.+)@(.+)$/
			/* The following string represents the pattern for matching all special
			   characters.  We don't want to allow special characters in the address. 
			   These characters include ( ) < > @ , ; : \ " . [ ]    */
			//var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
			var specialChars="\\(\\)<>@,`';:~!#$%^&*+=|{}?\\\\\\\"\\.\\[\\]"
			
			/* 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. "sg 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. sg@[123.124.233.4] is a legal
			   e-mail address. NOTE: The square brackets are required. */
			var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
			/* The following string represents an atom (basically a series of
			   non-special characters.) */
			var atom=validChars + '+'
			/* The following string represents one word in the typical username.
			   For example, in sg.sg@somewhere.com, sg and sg are words.
			   Basically, a word is either an atom or quoted string. */
			var word="(" + atom + "|" + quotedUser + ")"
			// The following pattern describes the structure of the user
			var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
			/* 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 address seems incorrect (check @ and .'s)")
				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("The username doesn't seem to be valid.")
			    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("Destination IP address is invalid!")
					return false
				    }
			    }
			    return true
			}

			// Domain is symbolic name
			var domainArray=domain.match(domainPat)
			if (domainArray==null) {
			//alert("The domain name doesn't seem to be valid.")
			    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, no), 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("The address must end in a three-letter domain, or two letter country.")
			   return false
			}

			// Make sure there's a host name preceding the domain.
			if (len<2) {
			   var errStr="This address is missing a hostname!"
			   //alert(errStr)
			   return false
			}

			// If we've gotten this far, everything's valid!
			
}

function ShowAndHideEvent(eventid, usrid, status){

	if(status=='saved'){
		FAjax('AJAX4SaveAndHide.php', 'save_'+eventid, 'event_id='+eventid+'&usr_id='+usrid+'&status=saved','POST'); 
	}else{

		var onclk_1 = "onclick=\"javascript: FAjax('AJAX4SaveAndHide.php', 'save_"+eventid+"', 'event_id="+eventid+"&usr_id="+usrid+"&status=hide','POST'); new Effect.Fade('div_event_"+eventid+"',{duration:.5}); return false;\"";
		
		document.getElementById('hide_'+eventid).innerHTML="Are you sure? &nbsp; <a href='#' "+onclk_1+" style='color:#007799'> Yes </a> &nbsp; <a href='#hide_"+eventid+"' style='color:#007799' onclick=\"javascript: document.getElementById('hide_"+eventid+"').innerHTML='<a href=#hide_"+eventid+" style=color:#007799 onclick=javascript: ShowAndHideEvent("+eventid+", "+usrid+", hide)> Hide </a>' \"> No </a> ";

	}

}

function getXMLHTTPRequest() {
try {
req = new XMLHttpRequest();
} catch(err1) {
  try {
  req = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (err2) {
    try {
    req = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (err3) {
      req = false;
    }
  }
}
return req;
}
