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_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_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_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;
}

var menus = new Array();
var menusstatus = new Array();
var imgsrc = new Array();

menusstatus[2] = "closed";
menusstatus[3] = "closed";
menusstatus[4] = "closed";
menusstatus[5] = "closed";
menusstatus[6] = "closed";
menusstatus[7] = "closed";

imgsrc[2] = 'images/top_nav/about_us.gif';
imgsrc[3] = 'images/top_nav/news.gif';
imgsrc[4] = 'images/top_nav/municipalities.gif';
imgsrc[5] = 'images/top_nav/about_wet.gif';
imgsrc[6] = 'images/top_nav/contracting.gif';
imgsrc[7] = 'images/top_nav/resources.gif';

//initialization
function init(){
	if(navigator.appName == "Netscape"){
		menus[2] = window.document.around;
		menus[3] = window.document.cheaper;
		menus[4] = window.document.giving;
		menus[5] = window.document.pdp;
		menus[6] = window.document.contracting;
		menus[7] = window.document.resources;
	}
	else{
		menus[2] = document.all.around.style;
		menus[3] = document.all.cheaper.style;
		menus[4] = document.all.giving.style;
		menus[5] = document.all.pdp.style;
		menus[6] = document.all.contracting.style;
		menus[7] = document.all.resources.style;
	}

	imgAbout=new image();
	imgAbout.s='images/top_nav/about_us.gif';
}//init



// Sets the selected menu to visible
function show(menunumber){
	if(parseInt(navigator.appVersion) < 4){}
	else{
	  menus[menunumber].visibility = 'visible';
	  menusstatus[menunumber] = 'open';
	}
}//show


// Hide all menus
function menuhide(){
	var i;
	
	if(parseInt(navigator.appVersion) > 3){
		for(i=0; i<menus.length; i++){
			if(menusstatus[i] == 'open'){
				if(menus[i]){
					menus[i].visibility = 'hidden';
					menusstatus[i] = 'closed';
				}//if
			}//if
		}//for
	}//if
}

function menuhidenet(){
	var i;
	if(parseInt(navigator.appVersion) > 3){
		for(i=0; i<menus.length; i++){
			if(menusstatus[i] == 'open'){
				if(menus[i]){
					menus[2].visibility = 'hidden';
					menus[3].visibility = 'hidden';
					menus[4].visibility = 'hidden';
					menus[5].visibility = 'hidden';
					menus[6].visibility = 'hidden';
					menus[7].visibility = 'hidden';
				}//if
			}//if
		}//for
	}//if
}


//hides menus and swaps image back
function iehider(arg){
	if(navigator.appName == "Netscape"){
		menuhidenet();
		MM_swapImage('Image10' + arg,'',imgsrc[arg],1);
	}else{
		if(window.event.toElement.className != "menu"){
			menuhide();
			MM_swapImage('Image10' + arg,'',imgsrc[arg],1);
		}	
	}
}