function navAllInactive() {
      oNav = document.getElementById('tabnav');
      oLis = oNav.getElementsByTagName('LI');
      for (i = 0; i < oLis.length; i++) {
      oLis[i].className = '';
      }
      }
      function hideAllData() {
      oData = document.getElementById('data');
      oDivs = oData.getElementsByTagName('DIV');
      for (i = 0; i < oDivs.length; i++) {
            var od = oDivs[i];
            if(od.className && (od.className=='datatab' || od.className=='active datatab')){
          
              od.style.display = 'none';
            }
      }
      }
      function doShow(o, pageId) {
      hideAllData();
      navAllInactive();
      o.className = 'active datatab';
      oData = document.getElementById(pageId);
      oData.style.display = 'block';
      return false;
      }




function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null ){
    return "";
   }
  else{
  	var raw = results[1];
  	
  	if(raw.indexOf('%3f')==0){
    	return raw;
    }
    return unescape(raw);
    	
	}
}

function setTracker(cookieName,domEl,overwrite,expires,val){
	
	var cook = getCookie(cookieName);
	var urlval=((val)?val:gup(cookieName));
	
	if(cook){
		

		if(overwrite && urlval){
			
			setCookie(cookieName,urlval,expires,'/');
			
		}
	}else{
		
		if(urlval){
			
			setCookie(cookieName,urlval,expires,'/');
			
			
		}

	}
	
	
}




/* This function is used to set cookies */
function setCookie(name,value,expires,path,domain,secure) {
	
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}

/* This function is used to get cookies */
function getCookie(name) {
	var prefix = name + "=" 
	var start = document.cookie.indexOf(prefix) 

	if (start==-1) {
		return null;
	}
	
	var end = document.cookie.indexOf(";", start+prefix.length) 
	if (end==-1) {
		end=document.cookie.length;
	}

	var value=document.cookie.substring(start+prefix.length, end) 
	return unescape(value);
}