// namespace
if (typeof HAT == "undefined" || !HAT) {
    var HAT = {};
}
// initiate header functionality
HAT.SetUp = 
{
  Main : function()
  {
   if (window.attachEvent) 
   {
    window.attachEvent("onload", this.pageInit);
    window.attachEvent("onresize", this.pageResize);
    window.attachEvent("onscroll", this.pageResize);
   }
   else if (window.addEventListener) 
   { 
    window.addEventListener( "load", this.pageInit, false );
    window.addEventListener( "resize", this.pageResize, false );
    window.addEventListener( "scroll", this.pageResize, false );
   }
  },
  pageInit : function()
  {  
    if(!document.getElementById("HAT-globalheader")) { return false; }
    if(!document.getElementById("HAT-subheader")) { return false; }
    HAT.SectionHighlighting.Global();    
    HAT.SectionHighlighting.Sub();
    HAT.DropdownMenus.PositionMenus();
    HAT.DropdownMenus.AttachEvents();
    HAT.FilterMenu.BuildFilter();
    HAT.FilterMenu.AttachEvents();
    HAT.BackgroundImage.changeBodyClass();
    HAT.PopupWindow.attachEvents();
    HAT.Helper.changeHrefsToRel();
  },
  pageResize : function ()
  {
    if(!document.getElementById("HAT-globalheader")) { return false; }
    if(!document.getElementById("HAT-subheader")) { return false; }
    HAT.DropdownMenus.PositionMenus();
  }
}
// kick off here
HAT.SetUp.Main();

// Section Heighlighting in the header
HAT.SectionHighlighting =  
{
  _pagePath : document.location.pathname,
  _highlightClass : " on",
  Global : function()
  {
   var subheaderClassName = document.getElementById("HAT-subheader").className;
   var globalSectionId = subheaderClassName.replace(/.*subheaderId-HAT-gh(\d+).*/, "HAT-gh$1");
   if (HAT.ControlPanel && (HAT.ControlPanel.lightGlobalHeaderSection != null))
   {
    globalSectionId = "HAT-gh" + HAT.ControlPanel.lightGlobalHeaderSection
   }
       for (var i=0;i<HAT.GlobalheadingLUT.sub.length;i++) {
            for (var j=0;j<HAT.GlobalheadingLUT.sub[i].path.length;j++) {
                if (this._pagePath.indexOf(HAT.GlobalheadingLUT.sub[i].path[j].value) != -1) {
                    globalSectionId = (HAT.GlobalheadingLUT.sub[i].id)
                }
            }
       }
   this.doHighlight(globalSectionId)
  },
  Sub : function()
  {
   var subSectionId;
   if (HAT.ControlPanel && (HAT.ControlPanel.lightSubHeaderSection != null))
   {
    subSectionId = "HAT-sh" + HAT.ControlPanel.lightSubHeaderSection
   }
   else
   {    
     this._pagePath = this._pagePath.replace(/^\/((\w{2}\/)?(\w{2}_\w{2}|apac|emea))(.*?)/, "$2");
   }
   this.doHighlight(subSectionId)
  },
  doHighlight : function(Id)
  {
   if (document.getElementById(Id))
   {
    document.getElementById(Id).getElementsByTagName("a")[0].className += this._highlightClass;
   }
  }
}

// Dropdown menus done here
HAT.DropdownMenus = {
  _activeMenuId : null, // records the active dropdown menu
  _pageWidth : 0,
  _menuIDs : new Array(), // count the dropdown menues
  _addMenuID : function(id) { 
    HAT.DropdownMenus._menuIDs[HAT.DropdownMenus._menuIDs.length] = id;
   },
  AttachEvents : function() 
  {
    var HatFilterTO = false;
    var objLIs = document.getElementById("HAT-subheader").getElementsByTagName("li");
	  for (var i=0; i<objLIs.length; i++) 
	  {
      var objULs = objLIs[i].getElementsByTagName("ul")
      // only set up for a dropdown if there is a sub-level UL.
      if (objULs.length > 0)
      {
        // place the iFrame shim  for I.E. <select> z-index fix
        if (navigator.appVersion.toLowerCase().indexOf("msie")!= -1 && navigator.appVersion.substr(22,3) <= 6)
        {  
        
          if (document.createStyleSheet)
          {
            var _newStyleSheet = document.createStyleSheet();
            _newStyleSheet.addRule("#HAT-subheader iframe" , "position:absolute;top:0;left:0;filter:progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0");
            for (var j=0; j<objULs.length; j++)
            {
              var ieShim=document.createElement('iframe');
              if(document.location.protocol == "https:")
              {
               ieShim.src="//0";
              }
              else 
              {
               ieShim.src="javascript:false";
              }
              ieShim.scrolling="no";
              ieShim.id="HAT-iframe"+j;
              ieShim.frameBorder="0";
              ieShim.style.width=objULs[j].offsetWidth+"px";
              ieShim.style.height=objULs[j].offsetHeight+"px";
              ieShim.style.zIndex="-1";
              objULs[j].insertBefore(ieShim, objULs[j].childNodes[0]);
              objULs[j].style.zIndex="101";
            }
          }
        }
        // attach event listeners
        objLIs[i].onmouseover=function() 
        { 
          if (HatFilterTO) {
            clearTimeout(HatFilterTO);
          }
          HAT.DropdownMenus._activeMenuId = this.id;
          HAT.DropdownMenus.clearAllDropDowns()
          if (this.className.indexOf("sfhover")==-1) { this.className+=" sfhover"; }
          if(this.getElementsByTagName("iframe")[0])
          {
           this.getElementsByTagName("iframe")[0].style.visibility = "visible";
          }
          this.getElementsByTagName("ul")[0].style.top = '29px';
        }
        objLIs[i].onfocus=function() 
        {
         this.onmouseover();
        }
        objLIs[i].onmouseout=function() 
        {
         HatFilterTO = setTimeout("HAT.DropdownMenus.dropDownHide('" + this.id + "')",200);
        }
        objLIs[i].onblur=function() 
        {
         this.onmouseout();
        }
        HAT.DropdownMenus._addMenuID(objLIs[i].id);
      }
    }
  },
  PositionMenus : function()
  {
    // test for page width overflow and adjust dropdown position
    var pageWidth = document.documentElement.clientWidth;
    if (pageWidth == 0 || pageWidth == null)
    {
       pageWidth = document.body.clientWidth
    }
    var liCollection = document.getElementById("HAT-subheader").getElementsByTagName("li")
    for (var i=0; i<liCollection.length; i++) 
    {
      var ulCollection = liCollection[i].getElementsByTagName("ul")
      if (ulCollection.length > 0)
      { 
        var objDropdown = liCollection[i].getElementsByTagName("ul")[0]
        objDropdown.removeAttribute("style");
        var iDropDownWidth = objDropdown.offsetWidth;
        var scrollLeft = HAT.Helper.getScrollXY()[0];
        var iDropDownStart = liCollection[i].offsetLeft + liCollection[i].offsetParent.offsetLeft + 6 - scrollLeft;
        if ((pageWidth - iDropDownStart) < iDropDownWidth)
        {
         objDropdown.style.left = (((pageWidth - iDropDownWidth) - iDropDownStart) + 5 )  + "px";
        }
      }
    }
  },
  dropDownHide : function(id)
  {
    var obj = document.getElementById(id)
    obj.className=obj.className.replace(new RegExp("\\bsfhover\\b"), "");
    if(obj.getElementsByTagName("iframe")[0])
    {
     obj.getElementsByTagName("iframe")[0].style.visibility = "hidden"; 
    }
    if (obj.getElementsByTagName("ul")[0]) { obj.getElementsByTagName("ul")[0].style.top = '-9999px'; }
  },
  clearAllDropDowns : function()
  {
	  for (var j=0; j<HAT.DropdownMenus._menuIDs.length; j++) 
	  {
	   var id = HAT.DropdownMenus._menuIDs[j];
	   if (id != this._activeMenuId)
	   {
	    HAT.DropdownMenus.dropDownHide(id) 
	   }
	  }
  }
}

// filter menu controls
HAT.FilterMenu = {
  BuildFilter : function()
  {
    if (HAT.SearchFilterLUT && HAT.SearchFilterLUT.qs.length > 0)
    {
      var menuUL = document.createElement("ul");
      menuUL.setAttribute("id" , "HAT-filter-menu");
      var menuLI = document.createElement("li");
      menuLI.setAttribute("id" , "HAT-filterhead");
      menuLI.innerHTML = HAT.SearchFilterLUT.head;
      menuUL.appendChild(menuLI);
      for (var j=0; j<HAT.SearchFilterLUT.qs.length; j++) 
      {
        var menuLI = document.createElement("li");
        var menuA = document.createElement("a");
        menuA.setAttribute("href" , "?" + HAT.SearchFilterLUT.qs[j].filter);
        menuA.innerHTML = HAT.SearchFilterLUT.qs[j].term;
        
        
        menuLI.appendChild(menuA);
        menuUL.appendChild(menuLI);
      }
      document.getElementById("HAT-globalheader").appendChild(menuUL);
    }
    
    if (document.getElementById("HAT-filter-menu"))
    {
      var objFilterTrigger = document.getElementById("searchsubmit")
      var objFilterMenu = document.getElementById("HAT-filter-menu")
    }
    
     

    if (navigator.appVersion.toLowerCase().indexOf("msie")!= -1 && navigator.appVersion.substr(22,3) <= 6) {
          //ie shim
          if (document.createStyleSheet)
          {
            var _newStyleSheet = document.createStyleSheet();
            _newStyleSheet.addRule("#HAT-globalheader iframe" , "position:absolute;top:0;left:0;filter:progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0");
            
              var ieShim=document.createElement('iframe');
              if(document.location.protocol == "https:")
              {
               ieShim.src="//0";
              }
              else 
              {
               ieShim.src="javascript:false";
              }
              ieShim.scrolling="no";
              ieShim.id="HAT-iframeFilter";
              ieShim.frameBorder="0";
              ieShim.style.width=objFilterMenu.offsetWidth+"px";
              ieShim.style.height=objFilterMenu.offsetHeight+"px";
              ieShim.style.zIndex="-1";
              objFilterMenu.insertBefore(ieShim, objFilterMenu.childNodes[0]);
              objFilterMenu.style.zIndex="101";
          }
      }
    
  },
  AttachEvents : function() 
  {  
    var HatFilterTO = false;
    function getTrueOffsetLeft(o, total) {
        if (o.parentNode) {
            return getTrueOffsetLeft(o.parentNode, total + o.offsetWidth);
        } else {
            return total; }
    }
    if (document.getElementById("HAT-filter-menu"))
    {
      var objFilterTrigger = document.getElementById("searchsubmit")
      var objFilterMenu = document.getElementById("HAT-filter-menu")
      
      objFilterTrigger.onmouseover=function() 
      { 
          if (HatFilterTO) {
            clearTimeout(HatFilterTO);
          }
          var objHatGlobalHeader = document.getElementById("HAT-globalheader");
          var pageWidth = document.documentElement.clientWidth;
          var leftOffset = 0;
          var left = 0;
          var top = 0;
                
          if (pageWidth == 0 || pageWidth == null)
          {
            pageWidth = document.body.clientWidth
          }
          if (objFilterTrigger.getBoundingClientRect) {
            var obj = objFilterTrigger.getBoundingClientRect();
            var scrollLeft = HAT.Helper.getScrollXY()[0];
            left = obj.left - 2 + scrollLeft;
            top = obj.top -2; 
          } else {
            if (document.body.className.indexOf("HAT-wide") != -1) {
                if (pageWidth>objHatGlobalHeader.offsetWidth) { leftOffset = ((pageWidth - objHatGlobalHeader.offsetWidth) / 2); }
            }
            left = objFilterTrigger.offsetLeft + leftOffset;
            top = objFilterTrigger.offsetTop;
          }
          if (!(objHatGlobalHeader.className.indexOf("HAT-rtl") >= 0)) {
                left = left - 113;
          }
          var objectWidth = document.getElementById('HAT-filter-menu').offsetWidth;

          objFilterMenu.style.left = (left) + "px";
          objFilterMenu.style.top = (top) + "px";
          if (objFilterMenu.className!="filterHover") { objFilterMenu.className = "filterHover" };
          if (navigator.appVersion.toLowerCase().indexOf("msie")!= -1 && navigator.appVersion.substr(22,3) <= 6) { document.getElementById("HAT-globalheader").getElementsByTagName("a")[0].style.position='absolute'; }
      }
      objFilterTrigger.onfocus=function() 
      { 
        this.onmouseover();
      }
      objFilterTrigger.onmouseout=function() 
      {
        HatFilterTO = setTimeout("HAT.FilterMenu.dropDownHide()",200);
      }
      objFilterTrigger.onblur=function() 
      { 
        this.onmouseout();
      }
      objFilterMenu.onmouseover=objFilterTrigger.onmouseover;
      objFilterMenu.onmouseout=objFilterTrigger.onmouseout;

      // attach events to the filter items
      var objFilterMenuItems = objFilterMenu.getElementsByTagName("a");
      for (var i=0; i<objFilterMenuItems.length; i++) 
      {
        objFilterMenuItems[i].onclick=function()
        {
          HAT.FilterMenu.PostForm(this);
          return (false);
        }
      }
      if (document.FORMSearchHeader.category)
      {
        document.FORMSearchHeader.category.value = "all";
      }
      if (document.FORMSearchHeader.adv)
      {
       document.FORMSearchHeader.adv.value = "0";
      }
      if (document.FORMSearchHeader.value)
      {
       document.FORMSearchHeader.value.value = "0";
      }
	  }
  },
  PostForm : function(objLink)
  {
    var filterText = objLink.href.substring(objLink.href.indexOf("?")+1);
    //pecial logic for Advanced search
    if (filterText != "HAT-adv1") {
        document.FORMSearchHeader.category.value = filterText;
    }  
    else {
        document.FORMSearchHeader.adv.value = '1';
    }
   
    document.FORMSearchHeader.submit();
    return (false);
  },
  dropDownHide : function()
  {
    var objFilterMenu = document.getElementById("HAT-filter-menu")
    objFilterMenu.className = "filterHidden";
  }
}

// body tag rewrite - appends class attribute according screen size and protocol
HAT.BackgroundImage = {
 _pagePath : document.location.pathname,
 changeBodyClass : function() {
     /*
    HAT-narrowbg
    HAT-widebg
    HAT-narrowbg-secure
    HAT-widebg-secure
    */ 
    var isCombinedBg = -1;
    if (HAT.CombinedBackground) {
       for (var i=0;i<HAT.CombinedBackground.sub.length;i++) {
            for (var j=0;j<HAT.CombinedBackground.sub[i].path.length;j++) {
                if (this._pagePath.indexOf(HAT.CombinedBackground.sub[i].path[j].value) != -1) {
                    isCombinedBg = 1;
                }
            }
       }
    }
  
    var isWide = document.getElementById("HAT-globalheader").className.indexOf("HAT-wide");
    var isSecure = document.getElementById("HAT-globalheader").className.indexOf("HAT-secure");
    var isLocal = document.getElementById("HAT-globalheader").className.indexOf("HAT-rel");
    var newStyles = " ";
    
    if (isWide!=-1 && isSecure==-1) {
        newStyles+=' HAT-widebg'; 
    }
    else if (isWide!=-1 && isSecure!=-1) {
        newStyles+=' HAT-widebg-secure';
    }
    else if (isWide==-1 && isSecure!=-1) {
        newStyles+=' HAT-narrowbg-secure';
    }
    else {
        newStyles+=' HAT-narrowbg';
    }
    
    if (isWide!=-1 && isLocal!=-1) {
        newStyles+=' HAT-widebg-rel';
    }
    else if (isWide==-1 && isLocal!=-1) {
        newStyles+=' HAT-narrowbg-rel';
    }
    
    if (isCombinedBg!=-1) {
        newStyles=' HAT-combinedBg';
    }
    
    document.getElementsByTagName("body")[0].className+=newStyles;
 }
}

HAT.PopupWindow = {
 attachEvents : function() {
   var links=document.getElementsByTagName('a');
   for (var i=0;i<links.length;i++) {
    if(links[i].className.indexOf("HAT-popup")!=-1) {  
      links[i].onclick=this.openPopup;
    }
   }
 },
 openPopup : function() {
    //Finds the parameter value
    function getParamValue(popupURL,parameterName) {
      var regexS = "[\\?&]"+parameterName+"=([^&#]*)";
      var regex = new RegExp(regexS);
      var results = regex.exec(popupURL);
      if (results == null) { return null; } else { return results[1]; }
    }
   
    var popupWidth = getParamValue(this.href,"HATpopupWidth");
    if (popupWidth == null) { popupWidth=(document.getElementById("HAT-globalheader").className.indexOf("HAT-wide")!=-1)?1024:800; }
     
    var popupHeight = getParamValue(this.href,"HATpopupHeight");
    if (popupHeight != null) { popupHeight=", height="+popupHeight; }
    
    window.open(this.href,"popup","width="+popupWidth+popupHeight);
    return false;
 }
}


HAT.Helper = {
  /* Test domain list */
 CreateJSObject : function(url,appendTo) {
    var scriptObj = document.createElement("script");
    scriptObj.setAttribute("type", "text/javascript");
    scriptObj.setAttribute("src", url);
    appendTo.appendChild(scriptObj);
 },
  changeHrefsToRel : function() {     
    var testURLlist = new Array("int-30recode.dev.mrmpweb.co.uk","staging2.mrmpweb.co.uk","proto-cps.cps.intel.com","preview-cps.cps.intel.com");
    if (this.isInArray (testURLlist, document.location.host)) {
        var checkDiv = new Array("HAT-globalheader","HAT-subheader","HAT-unifiedfooter");
        for (var j=0;j<checkDiv.length;j++){
            if (document.getElementById(checkDiv[j])) {
                var links = document.getElementById(checkDiv[j]).getElementsByTagName("a");
                for (var i=0;i<links.length;i++){
                    links[i].href = links[i].href.replace(/http:\/\/www.intel.com/gi, '');
                }
            }
        }  
    }
 },
 getScrollXY : function() {
          var scrOfX = 0, scrOfY = 0;
          if( typeof( window.pageYOffset ) == 'number' ) {
            //Netscape compliant
            scrOfY = window.pageYOffset;
            scrOfX = window.pageXOffset;
          } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
            //DOM compliant
            scrOfY = document.body.scrollTop;
            scrOfX = document.body.scrollLeft;
          } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
            //IE6 standards compliant mode
            scrOfY = document.documentElement.scrollTop;
            scrOfX = document.documentElement.scrollLeft;
          }
          return [ scrOfX, scrOfY ];
 },
 debug : function(debug) {
    if (typeof(console) == 'object') { 
        console.log(debug); 
    } 
    else { 
        alert(debug);
    }
 },
 isInArray : function(arr , val) {
 	var i;
	for (i=0; i < arr.length; i++) {
		if (arr[i] === val) {
			return true;
		}
	}
	return false;
 }
}

HAT.GlobalheadingLUT = {
    sub:[
      {
        id:'HAT-gh0',
        path:[
        ]
      },
      {
        id:'HAT-gh1',
        path:[
        ]
      },
      {
        /*support*/
        id:'HAT-gh2',
        path:[
          {value:'http://www.intel.com/support/'},
          {value:'http://www.intel.com/services/'}
        ]
      },
      {
        /*about*/
        id:'HAT-gh3',
        path:[
          {value:'http://www.intel.com/community/'},
          {value:'http://www.intel.com/corporate/'},
          {value:'http://www.intel.com/education/'},
          {value:'http://www.intel.com/events/'},
          {value:'http://www.intel.com/intel/'},
          {value:'http://www.intel.com/intelpress/'},
          {value:'http://www.intel.com/jobs/'},
          {value:'http://www.intel.com/museum/'},
          {value:'http://www.intel.com/news/'},
          {value:'http://www.intel.com/policy/'},
          {value:'http://www.intel.com/pressroom/'}
        ]
      },
      {
        id:'HAT-gh4',
        path:[
          {value:'http://www.intel.com/intel/nav/'}
        ]
      }
    ]
  };
  
// Control panel for header - can be placed anywhere in the page body.
HAT.ControlPanel = {
  //lightGlobalHeaderSection : 1, // override Global header highlighting
  //lightSubHeaderSection : 1 // override sub-header highlighting
}


//empty sectionOn function, so pages like http://www.intel.com/products/desktop/motherboard/index.htm?iid=desktop_body+board won't brake
function sectionOn() {}
function hideAllMenus() {}
function writeMenus() {}

// safari hack
if(window.devicePixelRatio) {
	$(document).ready(function(){
		$("#HAT-subheader a").css("font-size", "14px");
		$("#sitewide > h1 > a").css("font-size", "17px");
	});
}