function showhidden(objname){
    var divId = 'items';
	for ( var j = 0; j < 11; j++){
	  var tmp = divId + '' + j + '';
	  if ( objname != tmp){
    	  var obj = document.getElementById(tmp);
    	  if ( obj ){
		    //alert(obj.style.display);
    	    obj.style.display = "none" 
    	  }
	  }
	}
    var obj = document.getElementById(objname);
    obj.style.display = ""
}

function swapMenu(mitem){
	//导航条选中高亮和失去焦点变暗效果切换
	var mitems = document.getElementsByName("ms");
	for(var i = 0; i < mitems.length; i++){
	mitems[i].className="out";
	}
	mitem.className="over";
	}