
// =====================================================
// NAV FUNCTIONS
// =====================================================
//REPLACE PSEUDO HOVER EFFECTS WITH HOVER CLASS FOR IE
Hover = function() {
//	if (document.getElementById("leftnav")==null) return;
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" hover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", Hover);

Hover2 = function() {
	// Following line added by Phil to stop errors when no MAIN left nav present
	if (document.getElementById("leftnav")==null) return;
	
	var sfEls = document.getElementById("leftnav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" hover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", Hover2);
// =====================================================


// =====================================================
// SEARCH BOX FUNCTIONS
// =====================================================
function EnterSearchBox() {
	var val = document.forms[0].search;
	if (val) {
		if (val.value.toLowerCase() == "search") {val.value = "";}
	}
}
function LeaveSearchBox() {
	var val = document.forms[0].search;
	if (val) {
		if (val.value == "") {val.value = "search";}
	}
}
// Do search...
function DoSearch() {
	var val = document.forms[0].search;
	if (val) {
		document.location.href = "/pages/searchresults.aspx?stext="+(encodeURI(val.value));
	}
}
// Catch enter key for search submission
function CatchEnter(event) {
	if ((window.event && window.event.keyCode == 13) || 
		(event && event.which == 13)) {
		DoSearch();
	} else {
		return true;
	}
	return false;
}
// =====================================================

// =====================================================
// GENERAL FUNCTIONS
// =====================================================
// check email is valid
function CheckEmail(str) {
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (filter.test(str)) return (true);
	return (false);
}

// Print this pages content...
var winprint;
var errPTP;
var sWinHTML;
// Can cause problems if all code sent to new browser window at once. Uses functions
// PTP1, PTP2 and PTP3 to introduce a 'processor yield' when performing this function.
function PrintThisPage(divID) 
{ 
   if (divID==null || divID=='') divID = "article";
   var sOption="toolbar=no,location=no,directories=no,menubar=no,"; 
       sOption+="scrollbars=yes,width=750,height=600,left=100,top=25"; 

   sWinHTML = document.getElementById(divID).innerHTML; 

   if (PTP_EnsureDisplay == 1) {
	var mS = new String(sWinHTML);
	rEXP = /display: none/gi;
	sWinHTML = mS.replace(rEXP, "display: block");
   }
   
   if (sWinHTML!=null) {
		errPTP = setTimeout('PTP_ERROR();', 15000);
		winprint=window.open("","",sOption); 
		winprint.document.open(); 
		setTimeout('PTP1();', 500);
   } 
}
function PTP_ERROR() {
	alert("There appears to be a problem printing. Please check your printer and try again.");
	if (winprint) winprint.close();
}
function PTP1() {
		winprint.document.write('<html><LINK media=print href=/style.css rel=Stylesheet>');
		winprint.document.write("<link rel=\"stylesheet\" href=\"/sifr/sifr-print.css\" type=\"text/css\" media=\"print\" />" +
				"<link rel=\"stylesheet\" href=\"/sifr/sifr-screen.css\" type=\"text/css\" media=\"screen\" />" +
				"<script src=\"/sifr/sifr.js\" type=\"text/javascript\"></script>");
		winprint.document.write('<body>'); 
		setTimeout('PTP2();', 750);
}
function PTP2() {
		var d = new Date();
		var theYear = d.getFullYear();
		winprint.document.write('<div id=printcontainer>'); 
		winprint.document.write(sWinHTML);
		winprint.document.write('<br/><br/><div id=printcontainerfooter>(C) Purina '+theYear+' - www.purina.co.nz - Printed on '+d+'</div>');
		winprint.document.write('</div></body></html>'); 
		winprint.document.close(); 
		winprint.focus();
		setTimeout('PTP3();', 750);
}
function PTP3() {
		clearTimeout(errPTP);
		winprint.print();
		winprint.close();
		winprint = null;
		errPTP = null;
		sWinHTML = "";
}

var PTP_EnsureDisplay = 0;
// This version will change any "display: none" content to "display: block" (encyclopaedia etc)
function PrintThisPage2(divID)
{
	PTP_EnsureDisplay = 1;
	PrintThisPage(divID);
	PTP_EnsureDisplay = 0;
}

// =====================================================
// PRELOAD OUR NAV IMAGES
// =====================================================

var navimgs = new Array("top_1_1_ourcompany.gif", "top_1_1_ourcompany_on.gif", "top_1_2_scienceatwork.gif", "top_1_2_scienceatwork_on.gif", "top_1_3_purinainthecommunity.gif", "top_1_3_purinainthecommunity_on.gif", "top_1_aboutpurina.gif", "top_1_aboutpurina_on.gif",  "top_2_1_ourbrands.gif", "top_2_1_ourbrands_on.gif", "top_2_2_specialoffers.gif", "top_2_2_specialoffers_on.gif", "top_2_ourbrands.gif", "top_2_ourbrands_on.gif", "top_3_1_petcareteam.gif", "top_3_1_petcareteam_on.gif", "top_3_2_contactus.gif", "top_3_2_contactus_on.gif", "top_3_3_newsletter.gif", "top_3_3_newsletter_on.gif", "top_3_adviceservices.gif", "top_3_adviceservices_on.gif", "top_4_1_yournewpet.gif", "top_4_1_yournewpet_on.gif", "top_4_2_foodnutrition.gif", "top_4_2_foodnutrition_on.gif", "top_4_3_healthwellbeing.gif", "top_4_3_healthwellbeing_on.gif", "top_4_4_livingtogether.gif", "top_4_4_livingtogether_on.gif", "top_4_5_dogcarequestions.gif", "top_4_5_dogcarequestions_on.gif", "top_4_allaboutdogs.gif", "top_4_allaboutdogs_on.gif", "top_5_1_yournewpet.gif", "top_5_1_yournewpet_on.gif", "top_5_2_foodnutrition.gif", "top_5_2_foodnutrition_on.gif", "top_5_3_healthwellbeing.gif", "top_5_3_healthwellbeing_on.gif", "top_5_4_livingtogether.gif", "top_5_4_livingtogether_on.gif", "top_5_5_catcarequestions.gif", "top_5_5_catcarequestions_on.gif", "top_5_allaboutcats.gif", "top_5_allaboutcats_on.gif", "top_bg.gif", "top_allabout.gif");
for (x=0;x<navimgs.length;x++) {
	var a = new Image();
	a.src = "/images/nav/"+navimgs[x];
}

// =====================================================
// FLASH DETECTION BITS
// =====================================================
//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated.  All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

// Major version of Flash required
var requiredMajorVersion = 8;
// Minor version of Flash required
var requiredMinorVersion = 0;
// Revision of Flash required
var requiredRevision = 0;

function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}

function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }

  document.write(str);
}

function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblclick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}
// =====================================================

// =====================================================
// FLASH OUTPUT
// =====================================================
// Write out flash object without borders...
// params format: name='value',name='value',....
function WriteFlash(flashname, width, height, bgc) {
	if (CheckFlash()) {
		if (bgc == null) bgc = "#000000";
		if (flashname == null && width == null && height == null) {
			document.write("<br/><div style='color: red;'><b>***</b> WriteFlash function requires flashname, width and height parameters at least!</div>");
		} else {
	//		document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0' width='"+width+"' height='"+height+"' id='flashObj' align='middle'><param name='wmode' value='transparent' /><param name='allowScriptAccess' value='sameDomain' /><param name='movie' value='"+flashname+"' /><param name='loop' value='false' /><param name='menu' value='false' /><param name='quality' value='best' /><embed src='"+flashname+"' loop='false' menu='false' quality='best' bgcolor='"+bgc+"' width='"+width+"' height='"+height+"' name='flashObj' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' /></object>");
			document.write("<object style=\"margin: 0px; padding: 0px;\" type=\"application/x-shockwave-flash\" width=\""+width+"\" height=\""+height+"\" id=\"flashObj\" align=\"middle\" data=\""+flashname+"\"><param name=\"wmode\" value=\"opaque\" <param name=\"menu\" value=\"false\" /><param name=\"allowScriptAccess\" value=\"sameDomain\" /><param name=\"movie\" value=\""+flashname+"\" /><param name=\"loop\" value=\"false\" /><param name=\"menu\" value=\"false\" /><param name=\"quality\" value=\"best\" />");
			document.write("<embed style=\"margin: 0px; padding: 0px;\" src=\""+flashname+"\" loop=\"false\" menu=\"false\" quality=\"best\" bgcolor=\""+bgc+"\" width=\""+width+"\" height=\""+height+"\" name=\"flashObj\" align=\"middle\" allowScriptAccess=\"sameDomain\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" wmode=\"opaque\" menu=\"false\" />");
			document.write("</object>");
		}
	}
}

// Write out flash to named (i)frame
function WriteFlash2(flashname, width, height, bgc, framename) {
	if (CheckFlash()) {
		if (bgc == null) bgc = "#000000";
		if (framename == null) {framename = eval(document);} else {framename = eval("top.frames['"+framename+"'].document");}
		if (flashname == null && width == null && height == null) {
			framename.write("<br/><div style='color: red;'><b>***</b> WriteFlash function requires flashname, width and height parameters at least!</div>");
		} else {
	//		document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0' width='"+width+"' height='"+height+"' id='flashObj' align='middle'><param name='wmode' value='transparent' /><param name='allowScriptAccess' value='sameDomain' /><param name='movie' value='"+flashname+"' /><param name='loop' value='false' /><param name='menu' value='false' /><param name='quality' value='best' /><embed src='"+flashname+"' loop='false' menu='false' quality='best' bgcolor='"+bgc+"' width='"+width+"' height='"+height+"' name='flashObj' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' /></object>");
			framename.write("<object type='application/x-shockwave-flash' width='"+width+"' height='"+height+"' id='flashObj' align='middle' data='"+flashname+"'><param name='wmode' value='transparent' /><param name='allowScriptAccess' value='sameDomain' /><param name='movie' value='"+flashname+"' /><param name='loop' value='false' /><param name='menu' value='false' /><param name='quality' value='best' /><embed src='"+flashname+"' loop='false' menu='false' quality='best' bgcolor='"+bgc+"' width='"+width+"' height='"+height+"' name='flashObj' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />");
			framename.write("<embed style=\"margin: 0px; padding: 0px;\" src=\""+flashname+"\" loop=\"false\" menu=\"false\" quality=\"best\" bgcolor=\""+bgc+"\" width=\""+width+"\" height=\""+height+"\" name=\"flashObj\" align=\"middle\" allowScriptAccess=\"sameDomain\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" wmode=\"opaque\" menu=\"false\" />");
			framename.write("</object>");
		}
	}
}

function CheckFlash() {
	var hasRightVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
	if (!hasRightVersion) {
		document.write("<div style='clear:both;width:95%;background-color:#FEFEFE;color:#000000;margin:10px;padding:10px;border:1px solid #CC0000;'>");
		document.write("<p>You do not have the latest version of Adobe Flash Player installed.  You can download and install it from <a href='http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash' target='_blank'>here</a> in order to access all Purina.co.za functionality.<br/><br/><a href='http://www.macromedia.com/go/getflash/' target='_blank'>Get Flash Now</a></p>");
		document.write("</div>");
	}
	return (hasRightVersion);
}
