function activateMenuHdr(menuHdrNum) {
  for (var i = 1; i < 4; i++) {
    if (i == menuHdrNum) {
      displayDiv("menuhdr" + i, "block");
      if (curMenuOn < 1) {
        displayDiv("menu" + i, "block");
      }
    } else {
      displayDiv("menuhdr" + i, "none");
      if (curMenuOn < 1) {
        displayDiv("menu" + i, "none");
      }
    }
  }
}

function activateMenu(menuNum) {
  for (var i = 1; i < 4; i++) {
    if (i == menuNum) {
      displayDiv("menuhdr" + i, "block");
      displayDiv("menu" + i, "block");
    } else {
      displayDiv("menuhdr" + i, "none");
      displayDiv("menu" + i, "none");
    }
  }
}

function selectDiv(allDivs, divToShow) {
  var a = new Array();
  a = allDivs.split(",");
  for (var i in a) {
    if (a[i] == divToShow) {
      displayDiv(a[i], "block");
    } else {
      displayDiv(a[i], "none");
    }
  }
}

function selectMultiDivs(allDivs, divsToShow) {
  var a = new Array();
  a = allDivs.split(",");
  var s = new Array();
  s = divsToShow.split(",");
  var on_flg;
  for (var i in a) {
    on_flg = 0;
    for (var j in s) {
      if (a[i] == s[j]) { on_flg = 1; }
    }
    if (on_flg == 1) {
      displayDiv(a[i], "block");
    } else {
      displayDiv(a[i], "none");
    }
  }
}

function getObject(id) {
	var elem;
  if (document.getElementById) {
	  elem = document.getElementById(id);
	} else if (document.all) {
	  elem = document.all[id];
	} else if (document.layers) {
	  elem = document.layers[id];
  }
  return elem;
}

function displayDiv(divToAddress, toMode) {
	var elem = getObject(divToAddress);
  var vis = elem.style;
	vis.display = toMode;
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
  var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
  if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function loadMenuHover() {

  // Set the hovers for the list items
  var offset = 0;
  if (((navigator.appVersion.indexOf('MSIE') > 0) && (navigator.userAgent.indexOf('Opera') < 0))) {
    var sfEls = document.getElementById("dropdownnav").getElementsByTagName("LI");
    for (var i=0; i<sfEls.length; i++) {
      sfEls[i].onmouseover=function() {
        this.className+=" sfhover";
      }
      sfEls[i].onmouseout=function() {
        this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
      }
    }
    offset = 2;
  }

  // Set the lists
  var ulEls = document.getElementById("dropdownnav").getElementsByTagName("UL");
  for (var i=0; i<ulEls.length; i++) {
    if ((ulEls[i].parentNode.className == "dropdownnavparent") || (ulEls[i].parentNode.className == "dropdownnavparent last")) {
      var obj = ulEls[i].parentNode;
      var max = 0;
      do {
        if (obj.firstChild != null) {
          if (obj.firstChild.offsetWidth > max) {
            max = obj.firstChild.offsetWidth;
          }
        }
        obj = obj.nextSibling;
      } while (obj != null);
      ulEls[i].style.margin = "-" + (ulEls[i].parentNode.offsetHeight - offset).toString() + "px 0px 0px " + max.toString() + "px";
    }
  }
}

function fixPNG(myImage) {
    if ((version >= 5.5) && (version < 7) && (document.body.filters))
    {
     var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
	   var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
	   var imgTitle = (myImage.title) ?
		             "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' "
	   var imgStyle = "display:inline-block;" + myImage.style.cssText
	   var strNewHTML = "<span " + imgID + imgClass + imgTitle
                  + " style=\"" + "width:" + myImage.width
                  + "px; height:" + myImage.height
                  + "px;" + imgStyle + ";"
                  + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                  + "(src=\'" + myImage.src + "\', sizingMethod='scale'); visibility:visible\" ></span>"
	   myImage.outerHTML = strNewHTML
    }
}

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])
var objCount = 0; // number of (changing) images on web-page

function preload(name, first, second) {

  // preload images and place them in an array

  if (browserOK) {
    pics[objCount] = new Array(25);
    pics[objCount][0] = new Image();
    pics[objCount][0].src = first;
    pics[objCount][1] = new Image();
    pics[objCount][1].src = second;
    pics[objCount][2] = name;
    objCount++;
  }
}

function on(name){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      if (document.images[pics[i][2]] != null)
        if (name != pics[i][2]) {
          // set back all other pictures
          document.images[pics[i][2]].src = pics[i][0].src;
        } else {
           // show the second image because cursor moves across this image
           document.images[pics[i][2]].src = pics[i][1].src;
        }
    }
  }
}

function off(){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      // set back all pictures
      if (document.images[pics[i][2]] != null)
        document.images[pics[i][2]].src = pics[i][0].src;
    }
  }
}