var cnt=7;
var hide1;
var hide2;
var hide3;
var hide4;
var hide5;
var hide6;
var hide7;

function gNavOver(num,timer) {
clearTimeout(timer);
for(i=1;i<=cnt;i++)document.getElementById("gNavSub" + i).style.display = "none";
document.getElementById("gNavSub" + num).style.display = "block";
}

function gNavOut(num) {
document.getElementById("gNavSub" + num).style.display = "none";
}