function Display(no){
	if(no == "no1"){
		document.getElementById("itemData1").style.display = "block";
		document.getElementById("itemData2").style.display = "none";
	}else if(no == "no2"){
		document.getElementById("itemData1").style.display = "none";
		document.getElementById("itemData2").style.display = "block";
	}
}