Matematika munkaközösség

var div = 5;var sliderEnabled = true; function scrFol() { var ad = document.getElementById( 'slider' ); var dPos = ( document.all ) ? document.body.scrollTop : window.pageYOffset;if ( ( dPos == 0 ) && ( document.all ) ) dPos = document.documentElement.scrollTop;dPos += 50; var cPos = parseInt( ad.style.top ); if ( cPos == 0 ) cPos = dPos-1000;var posDif = dPos-cPos;if ( ( ad.style.display == 'none' ) && ( sliderEnabled ) ) ad.style.display = 'block';if ( posDif > 0 ) ad.style.top = (cPos+Math.ceil(posDif/div))+'px'; else if ( posDif < 0 ) ad.style.top = (cPos+Math.floor(posDif/div))+'px';if ( sliderEnabled ) setTimeout( 'scrFol()', 20 ); } function closeFollowSlider() { sliderEnabled = false; document.getElementById( 'slider' ).style.display = 'none'; } setTimeout( 'scrFol()', 2000 ); -->