var slideSubjects = 0;

function slideSubjectsUp() {
	if (slideSubjects == 1) $('#index-box-subjects-content').scrollTo( {top:'-=5px', left:'+=0px'}, 100, {onAfter: slideSubjectsUp} );
}

function slideSubjectsDown() {
	if (slideSubjects == -1) $('#index-box-subjects-content').scrollTo( {top:'+=5px', left:'+=0px'}, 100, {onAfter: slideSubjectsDown} );
}

function startSlideSubjects(type) {
	if (type == 'down') {
		slideSubjects = -1;
		slideSubjectsDown();
	} else if (type == 'up') {
		slideSubjects = 1;
		slideSubjectsUp();
	}
}

function stopSlideSubjects() {
	slideSubjects = 0;
}