/* menu begin 2010-01-18  */
var menu = function () {
    var t = 15, z = 50, s = 1, a;
    function dd(n) { this.n = n; this.h = []; this.c = [] }
    dd.prototype.init = function (p, c) {
        a = c; var w = document.getElementById(p), s = w.getElementsByTagName('ul'), l = s.length, i = 0;
        for (i; i < l; i++) {
            var h = s[i].parentNode; this.h[i] = h; this.c[i] = s[i];
            h.onmouseover = new Function(this.n + '.st(' + i + ',true)');
            h.onmouseout = new Function(this.n + '.st(' + i + ')');
        }
    }
    dd.prototype.st = function (x, f) {
        var c = this.c[x], h = this.h[x], p = h.getElementsByTagName('a')[0];
        clearInterval(c.t); c.style.overflow = 'hidden';
        if (f) {
            p.className += ' ' + a;
            if (!c.mh) { c.style.display = 'block'; c.style.height = ''; c.mh = c.offsetHeight; c.style.height = 0 }
            if (c.mh == c.offsetHeight) { c.style.overflow = 'visible' }
            else { c.style.zIndex = z; z++; c.t = setInterval(function () { sl(c, 1) }, t) }
        } else { p.className = p.className.replace(a, ''); c.t = setInterval(function () { sl(c, -1) }, t) }
    }
    function sl(c, f) {
        var h = c.offsetHeight;
        if ((h <= 0 && f != 1) || (h >= c.mh && f == 1)) {
            if (f == 1) { c.style.filter = ''; c.style.opacity = 1; c.style.overflow = 'visible' }
            clearInterval(c.t); return
        }
        var d = (f == 1) ? Math.ceil((c.mh - h) / s) : Math.ceil(h / s), o = h / c.mh;
        /* c.style.opacity = o; c.style.filter = 'alpha(opacity=' + (o * 100) + ')'; */
        c.style.height = h + (d * f) + 'px' 
    }
    return { dd: dd }
} ();

/* menu end */

/* input only numbers and enterkey */
function onlyNum() { 
   if (event.keyCode > 47 && event.keyCode < 58 || event.keyCode == 13) {return true;}
   else {return false;}
}

/* input only numbers and decimal and enterkey */
function onlyNumDec() { 
   if (event.keyCode > 47 && event.keyCode < 58 || event.keyCode == 46 || event.keyCode == 13) {return true;}
   else {return false;}
}

/* place new scripts below */