// JavaScript Document
//栏目菜单的函数


function changeStatus(strKeyword)
{
	window.status = strKeyword;//指定浏览器状态栏中显示的临时消息
	return true;
}
//关于导航栏的滑动效果的实现
function menuFix() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
		this.className+=(this.className.length>0? " ": "") + "sfhover";
		}
		sfEls[i].onMouseDown=function() {
		this.className+=(this.className.length>0? " ": "") + "sfhover";
		}
		sfEls[i].onMouseUp=function() {
		this.className+=(this.className.length>0? " ": "") + "sfhover";
		}
		sfEls[i].onmouseout=function() {
		this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), 
"");
		}
	}
}
window.onload=menuFix;