function changeBack(){
	divObj = document.getElementsByTagName("div");
	j=0;
	for (i = 0; i < divObj.length; i++) {
　　　　　　　if(divObj[i].className=="EntryTitle") {
			if(j%3) {
			divObj[i].className="EntryTitle" + (j%3) 	
			}
			j++;
		}
	}
}

function hideshow(){
	divmenu1 = document.getElementById("menu-1");
	divmenu2 = document.getElementById("menu-2");
	changebtn = document.getElementById("btnHideShow");
	if(divmenu1.style.display == "block"){
			divmenu1.style.display = "none";
			divmenu2.style.display = "block";
			changebtn.value = "Menu 2";
		}
		else{
			divmenu1.style.display = "block";
			divmenu2.style.display = "none";
			changebtn.value = "Menu 1";
		}
	}