/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
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" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
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));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
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";
    }
}
function logout()
{
	deleteCookie("globalFirstName");

	this.location.href = "/global/includes/logout.html";
}


function GlobalIsString(sFormField,sFormName)
{
	if ((sFormField=="") || (sFormField==sFormName))
	{
		alert("Please enter clues in the Search field.");
		return false;
	}
}

function writeGlobalHeaderWelcomeMessage(firstname)
{
	var login = '';
	
	if (firstname == null)
	{
		if ((typeof(telstra_global_tabId) != "undefined") && (telstra_global_tabId == 0))
		{	
			// Homepage is Tab 0.
			//login += '<img src="/global/images/txt_welcome.gif" alt="Welcome to Telstra">';
		}
	}
	else
	{
		//login += '<span class="">Welcome</span>';
		if (firstname != "#ANONYMOUS#")
		{
			login += ' <span class="name">Welcome <a href="https://telstra.com/tcoma/registration.asp">' + firstname + '</a></span>';
		} else {
			login += '<span class="name">Welcome</span>';
		}
		if ((typeof(telstra_global_header_displaytabs) == "undefined") || (telstra_global_header_displaytabs == true)) 
		{
			// KAZ Tom Connolly - support for SSO
			// Need to modify the logout so that it is not displayed during 
			// the checkout screens but still displayed in the shop online screen.
			// Also allow a 'custom' logout routine that logs the user out of
			// Siteminder, as in the current telstra phase 0 static site.
			// And logs the user out of WCS application.
			var default_fn = "logout()";
			if (typeof(telstra_global_header_fn_logout) != "undefined") 
			{
				default_fn = telstra_global_header_fn_logout;
			}
			
			// display the logout link if the tabs are displayed (unable to logout when tabs not displayed)
			//document.write(' <span class="bluebar">|</span> <a id="logout" href="javascript:logout();">Logout</a>');
			login += ' | <a id="logout" href="javascript:'+default_fn+';">Logout</a>';
		}
	}
	
	// See defect TBPII-147
	// document.getElementById('headerLogin').innerHTML = login;
}

// BEGIN HEADER WELCOME MESSAGE LOGIC
var globalFirstName = getCookie("globalFirstName");
if ((typeof(telstra_global_loginState) != "undefined") && (telstra_global_loginState == 1))
{
	// Check for page defined firstname
	if (typeof(telstra_global_header_firstname) != "undefined")
	{
		setCookie("globalFirstName", telstra_global_header_firstname);
		writeGlobalHeaderWelcomeMessage(telstra_global_header_firstname);
	}
	else 
	{
		if (globalFirstName == null)
		{
			setCookie("globalFirstName", "#ANONYMOUS#");
			globalFirstName = "#ANONYMOUS#";
		}
		writeGlobalHeaderWelcomeMessage(globalFirstName);
	}
}
else if ((typeof(telstra_global_loginState) != "undefined") && (telstra_global_loginState == -1))
{
	// Remove cookie if it exists
	if (globalFirstName != null)
	{
		deleteCookie("globalFirstName");
	}
	writeGlobalHeaderWelcomeMessage(null);
}
else
{
	// Check if cookie exists
	if (globalFirstName == null)
	{
		var telstra_global_loginState = -1;
	}
	else
	{
		var telstra_global_loginState = 1;
	}
	writeGlobalHeaderWelcomeMessage(globalFirstName);
}


if (typeof(telstra_global_header_maxWidth) != "undefined"  ) {
	// document.getElementById("header").style.width  = telstra_global_header_maxWidth; 
} else {
	//document.getElementById("header").style.width = "770px";
}	


function searchFocus() {
	searchMode = document.getElementById('search-mode').value;
	searchField = document.getElementById("kwsearch1");
	if (searchMode == 'telstra') {
		if (searchField.value == 'Search Telstra') {
			searchField.value = '';
			//alert('search telsra');
		}
	} else if (searchMode == 'bigpond') {
		if (searchField.value == 'Search BigPond') {
			searchField.value = '';
			//alert('search bigpond');
		}
	} else if (searchMode == 'web') {
		if (searchField.value == 'Search the Web') {
			searchField.value = '';
			//alert('search the web');
		}
	}
}

function searchBlur() {
	searchMode = document.getElementById('search-mode').value;
	searchField = document.getElementById("kwsearch1");

	if (searchMode == 'telstra') {
		if (searchField.value == '') {
			searchField.value = "Search Telstra";
			
		}
		/*document.getElementById('search-options-img').src = '/business/framework/skins/telstra/images/wob_v2/hdr_search_logo_telstra.gif';
		document.getElementById('search-mode').value = 'telstra';*/
	}
	else if (searchMode == 'web') {
		if (searchField.value == '') {
			searchField.value = "Search the Web";
		}
		/*document.getElementById('search-options-img').src = '/business/framework/skins/telstra/images/wob_v2/hdr_search_logo_web.gif';
		document.getElementById('search-mode').value = 'web';*/
	}
	//searchField.blur();
}

function searchCheck() {
	searchMode = document.getElementById('search-mode').value;
	searchField = document.getElementById("kwsearch1");
	
	if (searchMode == 'telstra') {
		//if (searchField.value == 'Search Telstra') {
		//	searchField.value = '';
		//}
		var obj = document.getElementById('telstraSearchFormField');
		obj.value = searchField.value;
		obj.value = obj.value.replace(new RegExp("Search Telstra\\b"), "");
		obj.value = obj.value.replace(new RegExp("Search BigPond\\b"), "");
		obj.value = obj.value.replace(new RegExp("Search the We\\b"), "");
		document.getElementById('telstraSearchForm').submit();
		return false;
	} else if (searchMode == 'web') {
		//if (searchField.value == 'Search the Web') {
		//	searchField.value = '';
		//}
		var obj = document.getElementById('webSearchFormField');
		obj.value = searchField.value;
		obj.value = obj.value.replace(new RegExp("Search Telstra\\b"), "");
		obj.value = obj.value.replace(new RegExp("Search BigPond\\b"), "");
		obj.value = obj.value.replace(new RegExp("Search the We\\b"), "");
		document.getElementById('webSearchForm').submit();
		return false;
	} else {
		
		return false;
	}
}

function searchOptions(mode) {
	if (mode == 1) {
		document.getElementById('search-options-menu').style.display = 'block';
	} else {
		document.getElementById('search-options-menu').style.display = 'none';
	}
}

function searchSwap(mode) {
	searchField = document.getElementById('kwsearch1');
	
	if (mode == 'telstra') {
		document.getElementById("search-options").style.background = 'white url(/business/framework/skins/telstra/images/wob_v2/hdr_search_logo_arrow.gif) -1px 1px no-repeat'; 
		//document.getElementById('search-options-img').src = '/business/framework/skins/telstra/images/wob_v2/bg_sl_tel_s.gif';
		document.getElementById('search-options-menu').style.display = 'none';
		document.getElementById('kwsearch1').focus();
		if (searchField.value == 'Search BigPond' || searchField.value == 'Search the Web') {
			searchField.value = 'Search Telstra';
		}
	} else if (mode == 'web') {
		document.getElementById("search-options").style.background = 'white url(/business/framework/skins/telstra/images/wob_v2/bg_sl_web_s.gif) -1px 1px no-repeat'; 
		//document.getElementById('search-options-img').src = '/business/framework/skins/telstra/images/wob_v2/bg_sl_web_s.gif';
		document.getElementById('search-options-menu').style.display = 'none';
		document.getElementById('kwsearch1').focus();
		if (searchField.value == 'Search Telstra' || searchField.value == 'Search BigPond') {
			searchField.value = 'Search the Web';
		}
	}
	document.getElementById('search-mode').value = mode;
	searchField.blur();
}
	
/* http://simon.incutio.com/archive/2004/05/26/addLoadEvent */
function addLoadEventForSearch(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			if (oldonload) {
			    oldonload();
			}
			func();
		}
	}
}

function searchEnable() {
	if (document.getElementById("kwsearch1")) {
		field = document.getElementById("kwsearch1");
		field.onfocus = function() { searchFocus(); };
		field.onblur = function() { searchBlur(); };
		
		opt = document.getElementById("search-options");
		opt.onmouseover = function() { searchOptions(1); };
		opt.onmouseout = function() { searchOptions(0); };
		
		searchBlur();
	}
}

addLoadEventForSearch(searchEnable);