"

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"); for(var i=0;i<6;i++){ if (arr[i].style.display == "block")

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

else

 {
 var y=x-1;
 arr[y].style.display == "block";
 }

} }