var waittingtc = 1;
var secondLefttc = waittingtc;
var timertc;
var sourceObjtc;
var numbertc;
function getObjecttc(objectId)//获取id的函数               
{
    if (document.getElementById && document.getElementById(objectId)) {
        // W3C DOM              
        return document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
        // MSIE 4 DOM              
        return document.all(objectId);
    } else if (document.layers && document.layers[objectId]) {
        // NN 4 DOM.. note: this won't find nested layers              
        return document.layers[objectId];
    } else {
        return false;
    }
}
function SetTimertc()//主导航时间延迟的函数              
{
    for (j = 1; j < 10; j++) {
        if (j == numbertc) {
            if (getObjecttc("mmmm" + j) != false) {
                getObjecttc("mmmm" + numbertc).className = "menuhover";
                getObjecttc("mmmb" + numbertc).className = "";
            }
        }
        else {
            if (getObjecttc("mmmm" + j) != false) {
                getObjecttc("mmmm" + j).className = "";
                getObjecttc("mmmb" + j).className = "hide";
            }
        }
    }
}
function CheckTimetc()//设置时间延迟后              
{
    secondLefttc--;
    if (secondLefttc == 0) {
        clearInterval(timertc);
        SetTimertc();
    }
}
function showMtc(thisobj, Num)//主导航鼠标滑过函数,带时间延迟              
{
    numbertc = Num;
    sourceObjtc = thisobj;
    secondLefttc = 1;
    timertc = setTimeout('CheckTimetc()', 100);
}
function OnMouseLefttc()//主导航鼠标移出函数,清除时间函数              
{
    clearInterval(timertc);
}