//通用
//function document.getElementById(s){if(document.getElementById){return eval('document.getElementById("' + s + '")');}else{return eval('document.all.' + s);}}
function s(s){if (!document.getElementById(s)) return; document.getElementById(s).style.display = "block";}
function h(s){if (!document.getElementById(s)) return; document.getElementById(s).style.display = "none";}
function sh(s){if (!document.getElementById(s)) return; document.getElementById(s).style.display = document.getElementById(s).style.display == "none"?"block":"none";}
function hs(s){if (!document.getElementById(s)) return; document.getElementById(s).style.display = document.getElementById(s).style.display == "block"?"none":"block";}
function vv(s){if (!document.getElementById(s)) return; document.getElementById(s).style.visibility = "visible";}
function vh(s){if (!document.getElementById(s)) return; document.getElementById(s).style.visibility = "hidden";}

//导航
var flag = 0;
function hy(){
	for(var i=1;i<=7;i++){
		document.getElementById("hn"+i).className = "menu_of";
		s("hn_xx"+i);
		h("hn"+i+"_l");
		setflag("hn"+i+"_l");
	}
}
function xs(n){
	s("hn"+n+"_l");
	void(0);
}
function xs(n){
	h("hn"+n+"_l");
	void(0);
}
function setflag(s){
	if (!document.getElementById(s)) return;
	if (document.all ? true : false){
		document.getElementById(s).onmouseover = function () { hnmouseover(event); };
		document.getElementById(s).onmouseout = function () { hnmouseout(event); };
	}
	else{
		document.getElementById(s).addEventListener("mouseover", function (evnt) { hnmouseover(evnt); }, false);
		document.getElementById(s).addEventListener("mouseout", function (evnt) { hnmouseout(evnt); }, false);
	}
}
function hnmouseover(event){ flag = 1; }
function hnmouseout(event){ flag = 0; }
function init(){
	if (document.all ? true : false){
		document.onmousedown = function () { mousedown(event); };
	}
	else{
		document.addEventListener("mousedown", function (evnt) { mousedown(evnt); }, false);
	}
}
function mousedown(evnt){
	if(flag == 0){ hy(); }
}

//通讯录查找
function mes(m,n){
	h("r42"+n);
	s("r42"+m);
	document.getElementById("ms").src = "../i/ms_"+n+".gif";
	document.getElementById("es").src = "../i/es_"+m+".gif";
}