window.onresize = function() {
		  	var rightContainer = document.getElementById('content_right') ;
			var container = document.getElementById('container') ;
			var footer = document.getElementById('footer') ;
			if (container.offsetLeft == 0) {rightContainer.style.left = "460px";rightContainer.style.position = "absolute";} else {rightContainer.style.left = "50%";rightContainer.style.position = "fixed";};
		};