"

From 2014.igem.org

function displaySubMenu(div) { var subMenu = div.getElementsByTagName("ul")[0]; subMenu.style.display = "block"; } function hideSubMenu(div) { var subMenu = div.getElementsByTagName("ul")[0]; subMenu.style.display = "none"; } function sideMenu(x){ var arr=document.getElementsByName("rnav"); var y=x-1; for(var i=0;i<6;i++){

 if(i==y){
 arr[i].style.display = "block"; 

}

 else{
 arr[i].style.display = "none"; 

} } }

function Set(){ var y=document.documentElement.scrollTop; document.getElementById("txt").style.innerHTML=""+y+"xiangsu"; if(y>400){document.getElementById("bottomNav").style.display="block";} } else{document.getElementById("bottomNav").style.display="none";} } window.onscroll=Set;