/*
* Main nav menu subnavs
*/

//S 专栏子菜单
var columncounter;

function showColNav() {
    if (columncounter) { 
		clearTimeout(columncounter); 
	}
    $('#column_nav').show();
    if ($.browser.msie) {
        $('select').css('visibility', 'hidden');
    }
}
function hideColNav() {
    $('#column_nav').hide();
    if ($.browser.msie) {
        $('select').css('visibility', 'visible');
    }
}
function startHideColNav() {
    columncounter = setTimeout(hideColNav, 20);
}
//E 专栏子菜单

//S 视频子菜单
var videocounter;

function showVideoNav() {
    if (videocounter) { 
		clearTimeout(videocounter); 
	}
    $('#video_nav').show();
    if ($.browser.msie) {
        $('select').css('visibility', 'hidden');
    }
}
function hideVideoNav() {
    $('#video_nav').hide();
    if ($.browser.msie) {
        $('select').css('visibility', 'visible');
    }
}
function startHideVideoNav() {
    videocounter = setTimeout(hideVideoNav, 20);
}
//E 视频子菜单
//S 足球子菜单
var soccercounter;

function showSoccerNav() {
    if (soccercounter) { 
		clearTimeout(soccercounter); 
	}
    $('#soccer_nav').show();
    if ($.browser.msie) {
        $('select').css('visibility', 'hidden');
    }
}
function hideSoccerNav() {
    $('#soccer_nav').hide();
    if ($.browser.msie) {
        $('select').css('visibility', 'visible');
    }
}
function startHideSoccerNav() {
    soccercounter = setTimeout(hideSoccerNav, 20);
}
//E 足球子菜单
//S 网球子菜单
var tenniscounter;

function showTennisNav() {
    if (tenniscounter) { 
		clearTimeout(tenniscounter); 
	}
    $('#tennis_nav').show();
    if ($.browser.msie) {
        $('select').css('visibility', 'hidden');
    }
}
function hideTennisNav() {
    $('#tennis_nav').hide();
    if ($.browser.msie) {
        $('select').css('visibility', 'visible');
    }
}
function startHideTennisNav() {
    tenniscounter = setTimeout(hideTennisNav, 20);
}
//E 网球子菜单
//S F1子菜单
var f1counter;

function showF1Nav() {
    if (f1counter) { 
		clearTimeout(f1counter); 
	}
    $('#f1_nav').show();
    if ($.browser.msie) {
        $('select').css('visibility', 'hidden');
    }
}
function hideF1Nav() {
    $('#f1_nav').hide();
    if ($.browser.msie) {
        $('select').css('visibility', 'visible');
    }
}
function startHideF1Nav() {
    f1counter = setTimeout(hideF1Nav, 20);
}
//E F1子菜单

//S 论坛子菜单
var bbscounter;

function showBBSNav() {
    if (bbscounter) { 
		clearTimeout(bbscounter); 
	}
    $('#bbs_nav').show();
    if ($.browser.msie) {
        $('select').css('visibility', 'hidden');
    }
}
function hideBBSNav() {
    $('#bbs_nav').hide();
    if ($.browser.msie) {
        $('select').css('visibility', 'visible');
    }
}
function startHideBBSNav() {
    bbscounter = setTimeout(hideBBSNav, 20);
}
//E 论坛子菜单