/* Show Hide Function */
function hide_show(id) {
	//alert(id);
	if(document.getElementById(id)) {
		var it = document.getElementById(id);
	}
	if(it.style.visibility != 'hidden') {
		it.style.display = 'none';
		it.style.visibility = 'hidden';
	}else{
		it.style.display = 'block';
		it.style.visibility = 'visible';
	}
}
/* End of Show Hide Function */
function nav(e,state) {
	//alert(e);
	if(state == 'hover') {
		document.getElementById(e).src = '/images/nav/' + e + '_hover.jpg';
	}else {
		document.getElementById(e).src = '/images/nav/' + e + '.jpg';
	}
}
// Copyright 2006-2007 javascript-array.com
var timeout	= 300;
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;