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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_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 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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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 getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
  return false;
}
function getVariable(mystr, variable) {
  str = mystr.substr(mystr.indexOf("?"));
 // alert(str);
  var query = str.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
  return false;
}

function setActiveLink(){
	suffix = "nav_";
	color = "#FFFFFF";
	rollovercolor = "#1f1f1f";
	
	state = getQueryVariable("state");
	catid = getQueryVariable("catid");
	theid = getQueryVariable("id");
	theyear = getQueryVariable("year");
	thereferrer = document.referrer;
	//document.write("ref : "+window.location.href.indexOf("content.php"));
	atags = document.getElementsByTagName('A');
	for(i=0; i < atags.length; i++){
		pagename = atags[i].id;
		if(pagename.indexOf(suffix) !== -1){
			pagename = pagename.replace(suffix,"");
			dude = ""+window.document.location;
			if(dude.indexOf(pagename) !== -1 && pagename != ""){
				atags[i].style.color = color;
				
			}
		}	
				
		else if(atags[i].href.indexOf("state="+state) !== -1){
			//alert("found state"+state);
			atags[i].style.color = rollovercolor;
		}
	
		else if(atags[i].href == thereferrer && 
				atags[i].href.indexOf("articles.php") !== -1  &&
				window.location.href.indexOf("content.php") !== -1){
			atags[i].style.color = rollovercolor;
		}
		
		else if(getVariable(atags[i].href, "catid") === catid && catid !== false && atags[i].href.indexOf("?id=") === -1 && atags[i].href.indexOf("type=") === -1){
			atags[i].style.color = rollovercolor;
		}	
		
		else{
			if(atags[i].href == this.location){
				atags[i].style.color = rollovercolor;
			}
		}
	}
}