function swapDetail(n){
	for(var i=1;i<=4;i++){
		if(n==i){
			document.getElementById("detail_"+i).style.display="block";
			document.getElementById("detail_img_"+i).src="../images/icon_number_"+i+"_o.gif";
			document.getElementById("detail_a_"+i).className="txt_green_11_1";
		}else{
			document.getElementById("detail_"+i).style.display="none";
			document.getElementById("detail_img_"+i).src="../images/icon_number_"+i+".gif";
			document.getElementById("detail_a_"+i).className="txt_gray_11_5";
		}
	}
}