var currentId;



function selectLink(id) {

	var link = document.getElementById(id);

	link.removeAttribute("href");

	link.className += " selected";

	var menuId = id + "_menu";



	if (link.parentNode.className == "submenu hidemenu") {

		link.parentNode.className = "submenu";

		var parentName = link.parentNode.id.substring(0,

				link.parentNode.id.length - 5);

		document.getElementById(parentName).className += " selected";

		

		currentId = (parentName + "_menu");

	} else if (document.getElementById(menuId)) {

		document.getElementById(menuId).className = "submenu";

		currentId = menuId;

	}

}



function MouseOver(id) {

	var link = document.getElementById(id);

	var menuId = id + "_menu";

	if (link.parentNode.className == "submenu hidemenu") {

		link.parentNode.className = "submenu";

		var parentName = link.parentNode.id.substring(0,

				link.parentNode.id.length - 5);

		document.getElementById(parentName).className += " selected";

	} else if (document.getElementById(menuId)) {

		if (currentId){

			document.getElementById(currentId).className = "submenu hidemenu";

		}

		document.getElementById(menuId).className = "submenu";

	}

}



function MouseOut(id) {

	var link = document.getElementById(id);

	var menuId = id + "_menu";

	

	if (menuId != currentId) {

		document.getElementById(menuId).className = "submenu hidemenu";

		document.getElementById(currentId).className = "submenu";

	}


}


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);
	if(ddmenuitem) {
		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;