function addLoadEvent(func) { 
	  var oldonload = window.onload; 
	  if (typeof window.onload != 'function') { 
	    window.onload = func; 
	  } else { 
	    window.onload = function() { 
	      if (oldonload) { 
	        oldonload(); 
	      } 
          func(); 
	    } 
	  } 
	} 
      
     
        
          
	addLoadEvent(function() { 
	  /* more code to run on page load */ 
	  //hashCheck()
	  sessvars.is_chrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
	  if (sessvars.refreshedForChrome == null)
	  {
	    sessvars.refreshedForChrome2 = 0;
	    sessvars.refreshedForChrome = 1;
	  }
	  //sessvars.refreshedForChrome = false;
	  sessvars.checkLoading = true;
	  initialiseStateFromURL();
	  setInterval(pollHash, 1000);
	});