//<!--
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_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();

}

MM_reloadPage(true);

// -->

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_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_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];}
}

var menuShowing = false;
var submenuShowing = false;
var lastsubmenu = " ";
var lastmenu = " ";
var subsubmenuShowing = false;
var lastsubsubmenu = " ";

function showmenu(elmnt)
{
	if(menuShowing == true)
	{
		if(elmnt == lastmenu)
		{
			return;
		}
		else
		{
			hidemenu(lastmenu);
			document.getElementById(elmnt).style.display = "block";
			document.getElementById(elmnt).style.visibility="visible";
			document.getElementById("menuarea").style.display="block";
			document.getElementById("menuarea").style.visibility="visible";
			menuShowing = true;
			lastmenu = elmnt;
		}
	}
	else
	{
		document.getElementById(elmnt).style.display = "block";
		document.getElementById(elmnt).style.visibility="visible";
		document.getElementById("menuarea").style.display="block";
		document.getElementById("menuarea").style.visibility="visible";
		menuShowing = true;
		lastmenu = elmnt;
	}
	
	
}
function hidemenu(elmnt)
{
	document.getElementById(elmnt).style.display = "none";
	document.getElementById(elmnt).style.visibility="hidden"
	document.getElementById("menuarea").style.display="none";
	document.getElementById("menuarea").style.visibility="hidden";
	menuShowing = false;
	
}
function IEhidemenu(elmnt)
{
	if(navigator.appName == "Netscape")
	{
		return;
	}
	else
	{
		document.getElementById(elmnt).style.display = "none";
		document.getElementById(elmnt).style.visibility="hidden"
		document.getElementById("menuarea").style.display="none";
		document.getElementById("menuarea").style.visibility="hidden";
		menuShowing = false;
	}
}

function showsubmenu(elmnt)
{
	if(submenuShowing == true)
	{
		if(elmnt == lastsubmenu)
		{
			return;
		}
		else
		{
			hidesubmenu();
			document.getElementById(elmnt).style.display = "block";
			document.getElementById(elmnt).style.visibility="visible";
			document.getElementById("menuarea").style.display="block";
			document.getElementById("menuarea").style.visibility="visible";
			submenuShowing = true;
			lastsubmenu = elmnt;
		}
	}
	else
	{
		document.getElementById(elmnt).style.display = "block";
		document.getElementById(elmnt).style.visibility="visible";
		document.getElementById("menuarea").style.display="block";
		document.getElementById("menuarea").style.visibility="visible";
		submenuShowing = true;
		lastsubmenu = elmnt;
	}
}

function hidesubmenu()
{
	if(lastsubmenu == " ")
	{
		return;
	}
	else
	{
		document.getElementById(lastsubmenu).style.display = "none";
		document.getElementById(lastsubmenu).style.visibility="hidden"
		submenuShowing = false;
		lastsubmenu = " ";
	}
}
function IEhidesubmenu(elmnt)
{
	if(navigator.appName == "Netscape" || lastsubmenu == " ")
	{
		return;
	}
	else
	{
		document.getElementById(lastsubmenu).style.display = "none";
		document.getElementById(lastsubmenu).style.visibility="hidden"
		submenuShowing = false;
		lastsubmenu = " ";
	}
}

function showsubsubmenu(elmnt)
{
	if(submenuShowing == true)
	{
		if(elmnt == lastsubmenu)
		{
			return;
		}
		else
		{
			document.getElementById(elmnt).style.display = "block";
			document.getElementById(elmnt).style.visibility="visible";
			document.getElementById("menuarea").style.display="block";
			document.getElementById("menuarea").style.visibility="visible";
			subsubmenuShowing = true;
			lastsubsubmenu = elmnt;
		}
	}
	else
	{
		document.getElementById(elmnt).style.display = "block";
		document.getElementById(elmnt).style.visibility="visible";
		document.getElementById("menuarea").style.display="block";
		document.getElementById("menuarea").style.visibility="visible";
		subsubmenuShowing = true;
		lastsubsubmenu = elmnt;
	}
}

function hidesubsubmenu()
{
	if(lastsubsubmenu == " ")
	{
		return;
	}
	else
	{
		document.getElementById(lastsubsubmenu).style.display = "none";
		document.getElementById(lastsubsubmenu).style.visibility="hidden"
		subsubmenuShowing = false;
		lastsubmenu = " ";
	}
}
function IEhidesubsubmenu(elmnt)
{
	if(navigator.appName == "Netscape" || lastsubmenu == " ")
	{
		return;
	}
	else
	{
		document.getElementById(lastsubsubmenu).style.display = "none";
		document.getElementById(lastsubsubmenu).style.visibility="hidden"
		subsubmenuShowing = false;
		lastsubsubmenu = " ";
	}
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent( function(){ add_print_link( 'nav' ) } );

function add_print_link( id ){
  if( !document.getElementById ||
      !document.getElementById( id ) ) return;

  // add extra functions to page tools list
  var print_page = document.getElementById( id );

  // create print link
  var print_function = document.createElement('p');
  print_function.className = 'print-link';
  print_function.onclick = function(){ print_preview(); return false; };
  print_function.appendChild( document.createTextNode( 'Print the Page' ) );

}

function print_preview() {
	// Switch the stylesheet
	setActiveStyleSheet('Print Preview');
	
	// Create preview message
	add_preview_message();

	// Print the page
	window.print();
}

function add_preview_message(){
var main_content = document.getElementById('content');
var main_body = main_content.parentNode;

	if (document.getElementById){
		
		var preview_message = document.createElement('div');
		preview_message.id = 'preview-message';
	
		// Create Heading
		var preview_header = document.createElement('h3');
		var preview_header_text = document.createTextNode('This is a print preview of this page');
		preview_header.appendChild(preview_header_text);
		
		// Create paragraph
		var preview_para = document.createElement('p');
		var preview_para_text = document.createTextNode('Without this message of course. ');
		
		var cancel_function_link = document.createElement('a');
			cancel_function_link.onclick = function(){ cancel_print_preview(); return false; };
			cancel_function_link.setAttribute('href', '#');	
		var cancel_function_link_text = document.createTextNode('Return to the existing page.');
		cancel_function_link.appendChild(cancel_function_link_text);
		preview_para.appendChild(preview_para_text); //
		preview_para.appendChild(cancel_function_link);
		
		// Put it all toegether
		preview_message.appendChild(preview_header); 
		preview_message.appendChild(preview_para);
		main_body.insertBefore(preview_message, main_content);

	}
}

function cancel_print_preview() {
	// Destroy the preview message
	var print_preview = document.getElementById('preview-message');
	var main_body = print_preview.parentNode;
	main_body.removeChild(print_preview);
	
	// Switch back stylesheet
	setActiveStyleSheet('default');
}

function setActiveStyleSheet(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = true;
       if(a.getAttribute("title") == title) a.disabled = false;
     }
   }
}

//-->