function isEmail(email) {
    var patten = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
    var flag5 = patten.test(email);

    if (flag5) {
        return true;
    }
    else {
        return false;
    }
}


function scroll(n) {
   a = n;
   document.getElementById("divContainer").scrollTop = document.getElementById("divContainer").scrollTop + a;
   if (a == 0) return;
   setTimeout("scroll(a)", 10);
}
function scrollw(n) {
   b = n;
   document.getElementById("divContainer").scrollLeft = document.getElementById("divContainer").scrollLeft + b;
   if (b == 0) return;
   setTimeout("scrollw(b)", 10);
}