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From 2014.igem.org

$(document).ready(function(){

// var hei=$("#midbody").height(); // $("#sidenav").css( "height", hei // );

$("#sidenav").pin({ containerSelector: "#insidemid" });

jumpupposition(); $('#jumpup').hover(function(){ $("#jumpup img").attr({"src":""});

                           },function(){

$("#jumpup img").attr({"src":""}); }); $('#jumpdown').hover(function(){ $("#jumpdown img").attr({"src":""});

                     },function(){

$("#jumpdown img").attr({"src":""});

                       		 });

});

function jumpupposition() { var right=($("body").width()-$("#mainbody").width())/2-80;

 		if(right<0){
 		    right=0;
               }
 		$("#jumpup").css('right',right);

$("#jumpdown").css('right',right); //alert(right);

};