NUMBER_MODE=true;

$(document).ready(function() {
    $('.flash').click(function(){$('.flash').fadeOut('slow')});
    $('#toc').toc({autoId: true});
if(document.getElementById('toc') && document.getElementById('toc').innerHTML == "<ul></ul>"){
   document.getElementById('toc').style.display="none";
  }
    $('#toplink').click(function(){
 		$('html, body').animate({scrollTop:0}, 'slow');    
    });
    
 });    

// "go to top" link on window scroll
var topdistant = false;

function getScrollY() {
	var scrOfY = 0; //, scrOfX = 0;
	if( typeof( window.pageYOffset ) == 'number' ) {
		scrOfY = window.pageYOffset; //scrOfX = window.pageXOffset;
	} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		scrOfY = document.body.scrollTop; //scrOfX = document.body.scrollLeft;
	} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		scrOfY = document.documentElement.scrollTop; //scrOfX = document.documentElement.scrollLeft;
	}
	return scrOfY;
}

function topDistanceCrosses(distance){
	if (getScrollY() > distance && !topdistant) {
		topdistant = true;
		$("#toplink").slideDown('slow');
		return 1 ; // going down
	}
	else if(getScrollY() < distance && topdistant ) {
		topdistant = false;
		$("#toplink").slideUp('fast');
		return 2; // going up
	}
	else {
		return 0; // nothing happens
	}
}