function checkrequired(which)
{
	var pass=true;
	for (i=0;i<which.elements.length;i++)
	{
		var tempobj=which.elements[i];
		if (tempobj.name.substring(0,8)=="required")
		{
			if ( ( (tempobj.type=="text" || tempobj.type=="textarea") && tempobj.value=='') )
			{
				pass=false;
				break;
	        	}
	        	else if ((tempobj.type == "file") && (tempobj.value == ''))
	        	{
	        		pass=false;
	        		break;
	        	}
			else if ((tempobj.type == "checkbox") && (tempobj.checked == false))
			{
				pass=false;
				break;
			}
			else if ((tempobj.name == "required_email") && (emailCheck(tempobj.value) == false))
			{
				pass=false;
				break;
			}
	    	}
   	}
	
	if (!pass)
        {
            shortFieldName=tempobj.name.substring(9,30).toUpperCase();
            shortFieldName=shortFieldName.replace('_',' ');
            alert(shortFieldName+" is required.");
            return false;
    	}
    	else
	        document.getElementById("frmEbook").submit();
}



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("Email address seems incorrect (check @ and .'s)");
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) {
alert("Ths username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Ths domain name contains invalid characters.");
return false;
   }
}

// 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.  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) {
alert("The domain name does not seem to be valid.");
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) {
alert("The address must end in a well-known domain or two letter " + "country.");
return false;
}

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

if (len<2) {
alert("This address is missing a hostname!");
return false;
}

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


function faq() {
    window.open("faq.htm","Window1","menubar=no,width=520,height=600,toolbar=no,scrollbars=yes");
}

function privacy() {
    window.open("privacy.htm","Window1","menubar=no,width=620,height=700,toolbar=no,scrollbars=yes");
}



        
          
var Page_Enter;
var TimeLimit=20;
var Page_ShowPopOnExit=false;
var MySiteDomain='pokerhandnews.com';

function XBrowserAddHandlerPops(target,eventName,handlerName) {
  if ( target.addEventListener ) {
    target.addEventListener(eventName, function(e){target[handlerName](e);}, false);
  } else if ( target.attachEvent ) {
    target.attachEvent("on" + eventName, function(e){target[handlerName](e);});
  } else {
    var originalHandler = target["on" + eventName];
    if ( originalHandler ) {
      target["on" + eventName] = function(e){originalHandler(e);target[handlerName](e);};
    } else {
      target["on" + eventName] = target[handlerName];
    }
  }
}

function InternalLink() {
    Page_ShowPopOnExit = false;
}

function PageEnter() {
   Page_Enter=new Date();
}

function SiteExit() {
   var time_dif;
   var Page_Exit=new Date();
   time_dif=(Page_Exit.getTime()-Page_Enter.getTime())/1000;
   time_dif=Math.round(time_dif);
   if (time_dif<=TimeLimit && Page_ShowPopOnExit==true)
    {
        window.open('http://www.pokerhandnews.com/cgi-bin/te/o.cgi?g=trade');
    }
    else {}
}


function LinkConvert()
{
var href;
    var anchors = document.getElementsByTagName('a');

    for(var y=0; y<anchors.length; y++)
    {
        href = anchors[y].href.toLowerCase();
        if (!(href.indexOf("http://")!=-1 && href.indexOf(MySiteDomain)==-1))
            {
            anchors[y].clickhandler=InternalLink
            XBrowserAddHandlerPops(anchors[y],"click","clickhandler");
            }
    }
}

XBrowserAddHandlerPops(window,"load","PageEnter");
XBrowserAddHandlerPops(window,"load","LinkConvert");
XBrowserAddHandlerPops(window,"unload","SiteExit");
Page_ShowPopOnExit=true;