// activeMenu:활성메뉴
function pf_homeLeftMenu(layer,activeMenu,Menulength){
	var layerName = "";
	// 다 감추기 
	for(var i=0;i<Menulength;i++){
		layerName = layer + i;
		document.getElementById(layerName).style.display="none";
	}
	layerName = layer + activeMenu;
	document.getElementById(layerName).style.display="";
}