function nav(nav_type, id, link_id) {
	//over
	if (nav_type == "over") {
	
		img_check=document.getElementById('link'+id+'_'+link_id).src;
		img_check=img_check.substring(img_check.length-7,img_check.length);
		if (img_check != "_on.gif") {
	
			if (link_id > 1) {
				link_main=document.getElementById('link'+id+'_1').src;
				link_main_check=link_main.substring(link_main.length-7,link_main.length);
				
				if (link_main_check != "_on.gif") {
					link_main=link_main.substring(0,link_main.length-4);
					MM_swapImage('link'+id+'_1','',link_main+'_on.gif',1);
				}
			}
			
			img_src=document.getElementById('link'+id+'_'+link_id).src;
			img_src=img_src.substring(0,img_src.length-4);
			MM_swapImage('link'+id+'_'+link_id,'',img_src+'_on.gif',1);
			
			for (y=1; y<=4; y++) {
				if (document.getElementById('line'+id+'_'+y)) {
				
					document.getElementById('line'+id+'_'+y).src='/images/dot_yellow.gif';
					/*
					if (id == 2 && y == 3) {
						document.getElementById('line'+id+'_'+y).src='/images/spacer.gif';
					}
					else {
						document.getElementById('line'+id+'_'+y).src='/images/dot_yellow.gif';
					}
					*/
				}
			}
			
			ShowHideLayers('nav_'+id+'_links','','show');
		
		}
		ShowHideLayers('nav_top_restore','','show','nav_bottom_restore','','show');
		
		if (id != 1 && id != 5) {
			ShowHideLayers('nav_'+(id-1)+'_restore','','show');
			ShowHideLayers('nav_'+(id+1)+'_restore','','show');
		}
		if (id == 1) {
			ShowHideLayers('nav_'+(id+1)+'_restore','','show');
		}
		if (id == 5) {
			ShowHideLayers('nav_'+(id-1)+'_restore','','show');
		}
	}
	
	//out
	if (nav_type == "out") {
		MM_swapImgRestore();
		document.getElementById('line'+id+'_'+link_id).src='/images/dot_light.gif';
	}
}

function nav_restore() {
	for (x=1; x<=5; x++) {
		for (y=1; y<=4; y++) {
		
			if (document.getElementById('link'+x+'_'+y)) {
				img_check=document.getElementById('link'+x+'_'+y).src;
				img_check=img_check.substring(img_check.length-7,img_check.length);
			
				if (img_check == "_on.gif") {
					img_src=document.getElementById('link'+x+'_'+y).src;
					img_src=img_src.substring(0,img_src.length-7);
					if (x != active_subnav) {
						MM_swapImage('link'+x+'_'+y,'',img_src+'.gif',1);
					}
				}
			}		
			
			if (document.getElementById('line'+x+'_'+y)) {
				if (x != active_subnav) {
					document.getElementById('line'+x+'_'+y).src='/images/dot_light.gif';
				}
			}
		}
		ShowHideLayers('nav_top_restore','','hide','nav_bottom_restore','','hide');
		for (z=1; z<=5; z++) {
			ShowHideLayers('nav_'+z+'_restore','','hide');
			if (z != active_subnav) {
				ShowHideLayers('nav_'+z+'_links','','hide');
			}
		}
		
	}
	
	
}

function highlight_lines(id) {
	for (y=1; y<=4; y++) {
		if (document.getElementById('line'+id+'_'+y)) {
		
			document.getElementById('line'+id+'_'+y).src='/images/dot_yellow.gif';
			
			/*
			if (id == 2 && y == 3) {
				document.getElementById('line'+id+'_'+y).src='/images/spacer.gif';
			}
			else {
				document.getElementById('line'+id+'_'+y).src='/images/dot_yellow.gif';
			}
			*/
		}
	}
}


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();
}
MM_reloadPage(true);

function 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=FindObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function tmt_findObj(n){
	var x,t; if((n.indexOf("?"))>0&&parent.frames.length){t=n.split("?");
	x=eval("parent.frames['"+t[1]+"'].document.getElementById('"+t[0]+"')");
	}else{x=document.getElementById(n)}return x;
}

function ShowHideLayers() { //v3.0A Modified by Al Sparber and Massimo Foti for NN6 Compatibility
  var i,p,v,obj,args=ShowHideLayers.arguments;if(document.getElementById){
   for (i=0; i<(args.length-2); i+=3){ obj=tmt_findObj(args[i]);v=args[i+2];
   v=(v=='show')?'visible':(v='hide')?'hidden':v;
   if(obj)obj.style.visibility=v;}} else{
  for (i=0; i<(args.length-2); i+=3) if ((obj=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 popup(url,instance,width,height,xpos,ypos,scrollbars){

	if (xpos == -1 && ypos == -1) {
	xcenter=(screen.width/2)-(width/2);
	ycenter=(screen.height/2)-(height/2);
	window.open(url,instance,"toolbar=no,location=no,directories=no,scrollbars="+scrollbars+",status=no,menubar=no,resizable=no,width="+width+",height="+height+",left="+xcenter+",top="+ycenter+"")
	}
	else {
	window.open(url,instance,"toolbar=no,location=no,directories=no,scrollbars="+scrollbars+",status=no,menubar=no,resizable=no,width="+width+",height="+height+",left="+xpos+",top="+ypos+"")
	}
}