function mmenuURL()//主导航、二级导航显示函数
{
var thisURL = document.URL;
tmpUPage = thisURL.split( "/" );  
thisUPage_s = tmpUPage[ tmpUPage.length-2 ]; 
thisUPage_s= thisUPage_s.toLowerCase();//小写
//thisUPage=thisUPage.substring(0,4)

		if(thisUPage_s=="www.idc580.com"||thisUPage_s=="www.nicnt.com"||thisUPage_s=="www.nthl.net")
		{
			getObject("mm1").className="menuhover"
			getObject("mb1").className = "";
		}
		else if(thisUPage_s=="domain"||thisUPage_s=="dmeshw")
		{
			getObject("mm2").className="menuhover"
			getObject("mb2").className = "";
		}
		else if(thisUPage_s=="sever")
		{
			getObject("mm3").className="menuhover"
			getObject("mb3").className = "";
		}	
		else if(thisUPage_s=="webhosting"||thisUPage_s=="web-hosting")
		{
			getObject("mm4").className="menuhover"
			getObject("mb4").className = "";
		}
		else if(thisUPage_s=="email"||thisUPage_s=="mail")
		{
			getObject("mm5").className="menuhover"
			getObject("mb5").className = "";
		}
		else if(thisUPage_s=="database"||thisUPage_s=="data-base")
		{
			getObject("mm6").className="menuhover"
			getObject("mb6").className = "";
		}
		else if(thisUPage_s=="agent")
		{
			getObject("mm7").className="menuhover"
			getObject("mb7").className = "";
		}
		else if(thisUPage_s=="help"||thisUPage_s=="article"||thisUPage_s=="notice"||thisUPage_s=="link")
		{
			getObject("mm8").className="menuhover"
			getObject("mb8").className = "";
		}
		else if(thisUPage_s=="control"||thisUPage_s=="hst_mng"||thisUPage_s=="sql_mng"||thisUPage_s=="eml_mng"||thisUPage_s=="dme_mng"||thisUPage_s=="dmc_mng"||thisUPage_s=="dmt_mng"||thisUPage_s=="wrd_mng"||thisUPage_s=="usr_chg"||thisUPage_s=="onlinepay"||thisUPage_s=="members"){
			getObject("mm9").className="menuhover"
			getObject("mb9").className = "";
		}
		else
		{
			getObject("mm1").className="";
			getObject("mb1").className = "";
		}
}

window.load=mmenuURL()