// swap_image - begin
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];}
}
// swap_image - end

// drop_down_menu - begin
function menuhide(menunum) {
	var currentmenu = document.getElementById("navbody" + menunum);
	currentmenu.style.visibility = 'hidden';
}

function menushow(menunum) {
	var currentmenu = document.getElementById("navbody" + menunum);
	currentmenu.style.visibility = 'visible';
}
// drop_down_menu - end

// menu_more - begin
function invertByName(thisNode) {
    var groupArray = document.getElementsByTagName("div");
    var groupName = thisNode.parentNode.id.split("_",2)[0];
    var j, divFirst, divSecond;
    for (var i = 0; i < groupArray.length; i++) {
        if ((groupArray[i].id) && (j = groupArray[i].id.split("_",3)[1]) 
          && (divFirst  = document.getElementById(groupName+"_"+j+"_1")) 
          && (divSecond = document.getElementById(groupName+"_"+j+"_2"))
          && (groupArray[i].id == groupName+"_"+j+"_1")) {
            divFirst.style.display  = ((thisNode.parentNode.id == groupName+"_"+j+"_1") ? 'none' : 'block');
            divSecond.style.display = ((thisNode.parentNode.id == groupName+"_"+j+"_1") ? 'block' : 'none');
        }
    }
}
// menu_more - end