function changeDiv(temp,count){
	for(var i=1; i<=count; i++){
		var a = document.getElementById("a" + i);
		var indexList = document.getElementById("date" + i);
		if(i==temp){
			a.className = "click";
			indexList.style.display="block";
		}else{
			a.className = "gray";
			indexList.style.display="none";
		}
	}

}