<!--
function getOffsetTop(el, p) {
    var _t = el.offsetTop;
    while (el = el.offsetParent) {
        if (el == p) break;
        _t += el.offsetTop
    }
    return _t
};
function getOffsetLeft(el, p) {
    var _l = el.offsetLeft;
    while (el = el.offsetParent) {
        if (el == p) break;
        _l += el.offsetLeft
    }
    return _l
};
function attach(o, e, f) {
    if (document.attachEvent)
        o.attachEvent("on" + e, f);
    else if (document.addEventListener)
        o.addEventListener(e, f, false);
}
//--------news tab------------
function setTab(name,cursel,n){
for(i=1;i<=n;i++){
var menu=document.getElementById(name+i);
var con=document.getElementById("con_"+name+"_"+i);
menu.className=i==cursel?"hover":"";
con.style.display=i==cursel?"block":"none";
}
}

//--------- menu ------------
var tt;
var curMenu;
var par;
function mouseover(th, menu) {
    if (tt) clearTimeout(tt);
	par=menu;
    displayMenu(false);
    menu = document.getElementById('menu' + menu);
	if (menu==1){menu.style.left = (getOffsetLeft(th)-100)+ 'px';}
	else{
    menu.style.left = (getOffsetLeft(th)-10)+ 'px';}
    menu.style.top = getOffsetTop(th) + th.offsetHeight + 'px';
    curMenu = menu;
    displayMenu(true)
}
function mouseout() {
    tt = setTimeout('displayMenu(false)', 200)
}
function _mouseover() {
    if (tt) clearTimeout(tt);
    displayMenu(true)
}
function _mouseout() {
    displayMenu(false)
}
function displayMenu(display) {
    if (curMenu) {
        curMenu.style.display = display ? 'block' : 'none'
    }
}

//search check
function searchcheck()
{
	keys=document.getElementById("keys").value;
    if (keys=="" || keys=="站内搜索")
	{ 
	 	alert('请输入关键词进行搜索!'); 
		return false; 
	}
	return true;
    // document.pub_topic.submit();
}
//-->