/*******************************************************************
**--> Name: valveNav
**--> Intro: 给阀门导航列表隔行增加CLASS.
**--> Author: lizus.com@gmail.com
**--> WebSite: http://www.lizus.com
*******************************************************************/

function valveNav()
{
	var valveNav=document.getElementById("valveNav");
	var valveNavLis=valveNav.getElementsByTagName("li");
	var getClass=0;
	for (var i=0;i<valveNavLis.length;i++)
	{
		if (getClass==1)
		{
			addClass(valveNavLis[i],"hasBg");
			getClass=0;
		}else
		{
			getClass=1;
		}
	}
}

addLoadEvent(valveNav);