var RightAreaClass = "defaultrightarea";
var GotoNutrition = false;

//** override menu cookie (test for now)
function overrideMenuCookie(){
var tmpwMod='';
var expMod=new Date();
expMod.setTime(expMod.getTime()-1000);
document.cookie='tree_0_state=;'+tmpwMod+';expires='+expMod.toGMTString();
document.cookie='tree_0_selected=;'+tmpwMod+';expires='+expMod.toGMTString();
}

//** parse the url for the parameter specified and return its value
function getURLParam(strParamName){  
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("&") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("&")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return strReturn;
}

//** when called, attempts to change the frame "mainframe" to a url provided as a url parameter in &mainframe=
function changeIFrame()
{
  //alert('in changeIFrame');
  var theUrl = getURLParam('mainframe');
  if(theUrl !=""){
    //alert('final url: '+theUrl);
    loadintoIframe('mainframe',theUrl);
  }
}

//** when called, attempts to set the source of the main frame as given only when no url source is available (see function above)
//** this addresses a workflow issue where the back button goes to the source loaded first before the final source
function initFrame(src)
{
  var theUrl = getURLParam('mainframe');
  if(theUrl !=""){
  }else{
    if(src!="")  loadintoIframe('mainframe',src);
  }
}

//** used to jump to nutrition info
function toggleNutritionOff()
{
GotoNutrition = false;
}
//** called in Nutrition menu as custom function
function toggleNutrition()
{
GotoNutrition = true;
}
function tryAnchor()
{
//custom addition to go to an anchor in the frame when GotoNutrition is true (set using toggleNutrition >> called in menu definition)
if(GotoNutrition)
  if(frames['mainframe']){
    var curframedoc = frames['mainframe'].document;
    if(curframedoc.getElementById)
    {
      if(curframedoc.getElementById('nutrition')) curframedoc.getElementById('nutrition').scrollIntoView(true);
    }
  }
}

function changeClass(elemName, newClassName) {
   var Elem;
  if(document.getElementById) {
    Elem= document.getElementById(elemName);
  } else if (document.all){
    Elem= document.all[elemName];
  }
  Elem.className = newClassName;
}

/***********************************************
* IFrame SSI script II- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
* Visit DynamicDrive.com for hundreds of original DHTML scripts
* This notice must stay intact for legal use
***********************************************/

//Input the IDs of the IFRAMES you wish to dynamically resize to match its content height:
//Separate each ID with a comma. Examples: ["myframe1", "myframe2"] or ["myframe"] or [] for none:
var iframeids=["mainframe","rightframe"]

//Should script hide iframe from browsers that don't support this script (non IE5+/NS6+ browsers. Recommended):
var iframehide="no"

var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
var FFextraHeight=parseFloat(getFFVersion)>=0.1? 16 : 0 //extra height in px to add to iframe in FireFox 1.0+ browsers

function resizeCaller() {
var dyniframe=new Array()
for (i=0; i<iframeids.length; i++){
if (document.getElementById) resizeIframe(iframeids[i])
//reveal iframe for lower end browsers? (see var above):
if ((document.all || document.getElementById) && iframehide=="no"){
var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i])
if(tempobj) tempobj.style.display="block"
}
}
}

function resizeIframe(frameid){
var currentfr=document.getElementById(frameid)
if (currentfr && !window.opera){
currentfr.style.display="block"
if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) //ns6 syntax
currentfr.height = currentfr.contentDocument.body.offsetHeight+FFextraHeight; 
else if (currentfr.Document && currentfr.Document.body.scrollHeight) //ie5+ syntax
currentfr.height = currentfr.Document.body.scrollHeight;
if (currentfr.addEventListener)
currentfr.addEventListener("load", readjustIframe, false)
else if (currentfr.attachEvent){
currentfr.detachEvent("onload", readjustIframe) // Bug fix line
currentfr.attachEvent("onload", readjustIframe)
}
}
  tryAnchor();
}


// function recipesearch(query){
// document.searchform.action = '/web/recipes.nsf/test';
// document.searchform.target = 'window.parent.mainframe';
// document.searchform.submit();
//}

function readjustIframe(loadevt) {
var crossevt=(window.event)? event : loadevt
var iframeroot=(crossevt.currentTarget)? crossevt.currentTarget : crossevt.srcElement
if (iframeroot)
resizeIframe(iframeroot.id);
}

function loadintoIframe(iframeid, url){
if (document.getElementById)
var theFrame = document.getElementById(iframeid)
if(theFrame) theFrame.src=url
}

if (window.addEventListener)
window.addEventListener("load", resizeCaller, false)
else if (window.attachEvent){
window.attachEvent("onload", resizeCaller)
}
else
window.onload=resizeCaller