// Copyright 2006-2007 javascript-array.com - top menu
var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;
// open hidden layer
function mopen(id)
{
	// cancel close timer
	mcancelclosetime();
	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}
// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}
// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}
// close layer when click-out
document.onclick = mclose;

// KOF Item Number Box
  function itemNumber(sObject) {
    var sSearch = sObject.value;
    var iLength = 6 - sSearch.length;
    var i = 0
    while(i < iLength) {
      sSearch = "0" + sSearch;
      i++;
    }
    sObject.value = sSearch
  }

// KOF search box
function isNumeric(elem){
	var numericExpression = /^[0-9]+$/;
	if(elem.value.match(numericExpression)){
		itemNumber(elem);
	}
}

// Mouse over images