/*
	These are scripts that are needed by all pages. Functions include:

		emailCheck(emailStr)      - this verifies valid e-mail addresses
		printPage(URL)            - opens specified URL in a popup window
		bookmarksite(title, url)  - bookmarks the current url
		
		Cookie functions:

			setCookie()
			getCookie()
			deleteCookie()
		
	Variables defined:
	
		tabberOptions             - this enables the cookie-remembering-which-tab-is-open-selected feature.
*/


/*==================================================
  Set the tabber options (must do this before including tabber.js)
  ==================================================*/
var tabberOptions = {

  'cookie':"tabber", /* Name to use for the cookie */

  'onLoad': function(argsObj)
  {
    var t = argsObj.tabber;
    var i;

    /* Optional: Add the id of the tabber to the cookie name to allow
       for multiple tabber interfaces on the site.  If you have
       multiple tabber interfaces (even on different pages) I suggest
       setting a unique id on each one, to avoid having the cookie set
       the wrong tab.
    */
    if (t.id) {
      t.cookie = t.id + t.cookie;
    }

    /* If a cookie was previously set, restore the active tab */
    i = parseInt(getCookie(t.cookie));
    if (isNaN(i)) { return; }
    t.tabShow(i);
    //alert('getCookie(' + t.cookie + ') = ' + i);
  },

  'onClick':function(argsObj)
  {
    var c = argsObj.tabber.cookie;
    var i = argsObj.index;
    //alert('setCookie(' + c + ',' + i + ')');
    setCookie(c, i);
  }
};


/*==================================================
  Cookie functions
  ==================================================*/
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

/*
	This script and many more are available free online at
	The JavaScript Source!! http://javascript.internet.com
	V1.1.3: Sandeep V. Tamhankar (stamhankar@hotmail.com)
	Original:  Sandeep V. Tamhankar (stamhankar@hotmail.com)
*/

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 printPage(URL)
{ 
	var disp_setting="toolbar=yes,location=no,directories=yes,menubar=yes,"; 
	disp_setting+="scrollbars=yes,width=650, height=600, left=100, top=25"; 

	var docprint=window.open(URL,"",disp_setting); 
	docprint.focus(); 
}


/***********************************************
* Bookmark site script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

function bookmarksite(title, url) {
    if (document.all){
        window.external.AddFavorite(url, title);
    } else if (window.sidebar) {
        window.sidebar.addPanel(title, url, "");
    }
}

function openPlayer(url, title, params) {
	var w = window.open(url, title, params);
}

function externalLinks() { 
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
			anchor.target = "_blank"; 
        }
	} 
} 


function IsBlankField(field){
	var j = 0;
	var chr;
	for(j; j < field.length; j++){
		chr = field.charAt(j);
		if(chr != "" && chr != " " && chr != "\n" && chr != "\t"){
		return false;
		}
	}
	return true;
}

function SendTo(id){
	var myForm       = document.getElementById('myForm');
	var txtSearch    = document.getElementById('wrdSearch');
	var srchURL;
	var srchVar;
	if(IsBlankField(txtSearch.value) || txtSearch.value == 'Enter search terms and select a search location'){
		alert("The search field was left empty!");
		return(false);
	} else{
		if(id == "AO"){
			srchURL = "http://www2.arkansasonline.com/search/";
			srchVar = "q";
			myForm.setAttribute("target", "_self");
		} else if(id == "ADGLibrary"){
			srchURL = "http://library.ardemgaz.com/ArchiveSearch.asp";
			srchVar = "SearchWords";
			myForm.setAttribute("target", "_self");
		} else if(id == "Classifieds"){
			srchURL = "http://classifieds.arkansasonline.com/display.asp";
			srchVar = "s";
			myForm.setAttribute("target", "_self");
		} else if(id == "Stocks"){
			srchURL = "http://hosted.ap.org/dynamic/external/ibd.morningstar.com/quicktake/standard/client/shell/AP707.html";
			srchVar = "ticker";
			myForm.setAttribute("target", "_blank");
		} else{
			srchURL = "http://www.google.com/search";
			srchVar = "q";
			myForm.setAttribute("target", "_blank");
		}
		myForm.setAttribute("action", srchURL);
		txtSearch.setAttribute("name", srchVar);
		myForm.setAttribute("method", "get");
		return(true);
	}
}
