function distance(x0, y0, x1, y1) {	var xDiff = x1-x0;	var yDiff = y1-y0;		return Math.sqrt(xDiff*xDiff + yDiff*yDiff);}$(document).ready(function() {	var proximity = 190;	var iconSmall = 48, iconLarge = 128;	var iconDiff = (iconLarge - iconSmall);	var mouseX, mouseY;	var dock = $("#dock");	var animating = false, redrawReady = false;		$(document.body).removeClass("no_js");		$(document).bind("mousemove", function(e) {		if (dock.is(":visible")) {			mouseX = e.pageX;			mouseY = e.pageY;					redrawReady = true;			registerConstantCheck();		}	});		function registerConstantCheck() {		if (!animating) {			animating = true;						window.setTimeout(callCheck, 15);		}	}		function callCheck() {		sizeDockIcons();				animating = false;			if (redrawReady) {			redrawReady = false;			registerConstantCheck();		}	}		function sizeDockIcons() {		dock.find("li").each(function() {			var centerX = $(this).offset().left + ($(this).outerWidth()/2.0);			var centerY = $(this).offset().top + ($(this).outerHeight()/2.0);						var dist = distance(centerX, centerY, mouseX, mouseY);						var newSize =  (1 - Math.min(1, Math.max(0, dist/proximity))) * iconDiff + iconSmall;			$(this).find("a").css({width: newSize});		});	}});