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 weddpop(coll, img) {
  var bigwin=window.open("http://www.peterbrucephotography.com/wedpop.php?coll=" + coll + "&img=" + img,"popup", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=328,height=373,left=100,top=200"); 
}

function slidepop(coll, img) {
  var bigwin=window.open("http://www.peterbrucephotography.com/slidepop.html?coll=" + coll + "&img=" + img,"popup", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=328,height=373,left=100,top=200"); 
}

function publpop(coll, img) {
  var bigwin=window.open("http://www.peterbrucephotography.com/publpop.html?img=" + img,"popup", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=328,height=373,left=100,top=200"); 
}

function printpop(n) {  
  var bigwin=window.open("http://www.peterbrucephotography.com/print" + n + ".php","popup", "toolbar=yes,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=no,width=500,height=350,left=100,top=200"); 
}

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";
    }
  }
}