var closeNav = null;
var closeOldNav = null;
var openNav=null;
var oldOpenNav=null;
var closeSubnav = null;
var totalMenus = 7;

function checkDisplay(elementID){
	return document.getElementById(elementID).style.display;
}
function showSubnav(navNum,hideForm){
	
	oldOpenNav = openNav;
	openNav = navNum;

	if(openNav!=oldOpenNav && closeNav!=null){
		setCloseTimer(closeNav);
		
	}
	
	if(document.getElementById("submenu7").style.display!='block'){
		document.getElementById('subnav' + navNum).style.visibility = 'visible';
		if(hideForm){
		changeCSS('quicklinks','shrink');
		changeCSS('faqs','shrink');
		}else{
		changeCSS('quicklinks','revert');
		changeCSS('faqs','revert');
		}
		}
	
		
		if(findClass('mainnav'+navNum)=='main_nav'){
			changeCSS('mainnav'+navNum,'mainnavon');
		}
	if(navNum==1){
			document.getElementById('left_nav_cap').src = '/images/left_nav_bar_on.gif';
		}
		if(navNum==7){
			document.getElementById('right_nav_cap').src = '/images/right_nav_bar_on.gif';
		}
	
}
function setCloseTimer(navNum,showForm){

	if(navNum!=openNav && navNum!=-1){
		closeSubnav = setTimeout("'hideSubnav("+closeOldNav+"',"+showForm+")'",250);
		closeNav=navNum;
		}else{
		closeSubnav = setTimeout('hideSubnav(-1,true)',250);
		}
}
function hideSubnav(navNum,showForm){
	//openNav = null;
	//setStatusBar();
	if(navNum==-1){
	for(var i=1;i<=totalMenus;i++){
			document.getElementById('subnav' + i).style.visibility = 'hidden';
				
				if(findClass('mainnav'+i)=='mainnavon'){
					changeCSS('mainnav'+i,'main_nav');
				}
					if(i==1){
							document.getElementById('left_nav_cap').src = '/images/left_nav_bar_off.gif';
						}
					if(i==7){
						document.getElementById('right_nav_cap').src = '/images/right_nav_bar_off.gif';
					}
				
			}
	}else{
	document.getElementById('subnav' + navNum).style.visibility = 'hidden';
	}
	if(document.getElementById("submenu7").style.visibility=='hidden'){
			if(showForm) {
				changeCSS('quicklinks','revert');
				changeCSS('faqs','revert');
					
				}else{
				changeCSS('quicklinks','shrink');
				changeCSS('faqs','shrink');
				}
	}else{
		changeCSS('quicklinks','revert');
		changeCSS('faqs','revert');
	}
}
function hideOtherSubnav(navNum,showForm){
		
		clearTimeout(closeSubnav);
		for(var i=1;i<=totalMenus;i++){
			if(i!=navNum){
				hideSubnav(i);
				if(findClass('mainnav'+i)=='mainnavon'){
					changeCSS('mainnav'+i,'main_nav');
				}
				if(i==1){
							document.getElementById('left_nav_cap').src = '/images/left_nav_bar_off.gif';
						}
					if(i==7){
						document.getElementById('right_nav_cap').src = '/images/right_nav_bar_off.gif';
					}
				document.getElementById('subnav' + i).style.visibility = 'hidden';
			}
		}
		
		showSubnav(navNum, showForm);
	
}
function findClass(elementID){
	return document.getElementById(elementID).className;
}
function moveContent(){

	if(document.getElementById("collapseNav").style.display=='none'){
		for(var i=1;i<=totalMenus;i++){
			document.getElementById("menu"+i).style.backgroundColor='#FFFFFF';
			document.getElementById("submenu"+i).style.display='block';
			document.getElementById("subbot"+i).style.display='block';
			document.getElementById("subbotph"+i).style.display='none';
		}
		for(var i=1;i<=totalMenus;i++){
			document.getElementById("ph"+i).style.display='none';
		}
		document.getElementById("collapseNav").style.display = 'block';
		document.getElementById("expandNav").style.display = 'none';
	}else{
		for(var i=1;i<=totalMenus;i++){
			document.getElementById("menu"+i).style.backgroundColor='#3C558E';
			document.getElementById("submenu"+i).style.display='none';
			document.getElementById("subbot"+i).style.display='none';
			document.getElementById("subbotph"+i).style.display='block';
		}
		for(var i=1;i<=totalMenus;i++){
			document.getElementById("ph"+i).style.display='block';
		}
		document.getElementById("collapseNav").style.display = 'none';
		document.getElementById("expandNav").style.display = 'block';
	}
}
function getPageCoords (element) {
    var coords = {x: 0, y: 0};
    while (element) {
     coords.x += element.offsetLeft;
      coords.y += element.offsetTop;
      element = element.offsetParent;
    } return coords;
 } 
function setNavPos(){
if(document.getElementById("collapseNav").style.display='none'){
for(var i=1;i<=7;i++){
	
	document.getElementById("subnav"+i).style.left = eval(getPageCoords(document.getElementById("nav"+i)).x)+"px";
	document.getElementById("subnav"+i).style.top = eval(getPageCoords(document.getElementById("nav"+i)).y+3) +"px";
	}
}
}

function changeCSS(id, newClass) { 

identity=document.getElementById(id); 
if(identity) identity.className=newClass; 

}

//Macromedia Dreamweaver functions start here

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_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_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
MM_preloadImages('/images/subnav_rt_corner_dd.gif','/images/subnav_lt_corner_dd.gif');
var myAgent = (navigator.userAgent.indexOf('MSIE') != -1); 
var myAgent2 = (navigator.userAgent.indexOf('Microsoft') != -1)
if(!myAgent && !myAgent2){
	eval(document.write("<style type=\"text/css\">\n\<!--\n@import url(\"/css/nsmaster.css\")\;\n-->\n\</style>"));
	}