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POhow can i make a logo appear on a top fixed menu bar that appears when scrolled down and it should disappear when returned to top?
 

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  1. POhow can i make a logo appear on a top fixed menu bar that appears when scrolled down and it should disappear when returned to top?
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    <p>i am looking for something like this-</p> <p><a href="http://techcrunch.com" rel="nofollow">techcrunch.com</a>.. but not exactly the same effect..</p> <p>a logo stays on the left of header..and when scrolled down passing it,a second logo should appear right on the menu bar that remains fixed on top as we scroll down..</p> <p>this is the css used:</p> <pre><code> #element.style { float: right; width: 160px; height: 25px; margin: 0px; margin-top: 7px; padding: 0px; } </code></pre> <p>and the jquery used:</p> <pre><code>// Stick the #nav to the top of the window var nav = $('#nav'); var navHomeY = nav.offset().top; var isFixed = false; var $w = $(window); //console.log(navHomeY); //console.log("yada yada yada"); $w.scroll(function() { var scrollTop = $w.scrollTop(); //console.log(scrollTop); //console.log("yada yada yada"); var shouldBeFixed = scrollTop &gt; navHomeY; if (shouldBeFixed &amp;&amp; !isFixed) { nav.css({ position: 'absolute', top: 0, left: nav.offset().left, width: nav.width() }); isFixed = true; $("#lo").show(); } else if (!shouldBeFixed &amp;&amp; isFixed) { nav.css({ position: 'static' }); isFixed = false; $("#lo").hide(); } }); }); </code></pre> <p>This whole thing seems to work sometimes and doesnt work sometimes.so what are the changes to be done and any flaws in the jquery?</p>
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