$(document).ready( function() {
	var boxsize = 672 , picsize = 183 , defaultTop = 370;
	if ( document.getElementById("right_b").parentNode.offsetHeight > boxsize ) {
		boxsize = document.getElementById("right_b").parentNode.offsetHeight;
	}
	function setNewsBoxPosition() {
		var putTop = document.documentElement.scrollTop - defaultTop;
		if ( putTop > ( boxsize - picsize ) ) {
			putTop = boxsize - picsize;
		}
		else if ( putTop < 0 ) {
			putTop = 0;
		}
		$("#right_ls").stop().animate( { "marginTop" : putTop + "px" } , { queue: false, duration: 1000 } );
	}
	$(window).scroll( function() {
		setNewsBoxPosition();
	} );
	setNewsBoxPosition();
} );