// JavaScript Document

/*****************************
			滑动门
*****************************/

// 元素的显示与隐藏
function slideShow(layername, maxnum, shownum){
	for(var i = 0; i <= maxnum; i++){
		document.getElementById(layername + "[" + i + "]").style.display = "none";
	}
	document.getElementById(layername + "[" + shownum + "]").style.display = "block";
}

// 导航CSS样式的变换
function setClass(navname, maxnum, shownum, hiddenclass, showclass){
	for(var i = 0; i <= maxnum; i++){
		document.getElementById(navname + "[" + i + "]").className = hiddenclass;
	}
	document.getElementById(navname + "[" + shownum + "]").className = showclass;
}

// 结合上两个函数，实现元素在显示和隐藏的同时变换导航样式
function setClassShow(navname, layername, maxnum, shownum, hiddenclass, showclass){
	slideShow(layername, maxnum, shownum);
	setClass(navname, maxnum, shownum, hiddenclass, showclass);
}