function setOnBackground(_this) {
  _this.className = "leftCategoryOn";
}

function setOffBackground(_this) {
  _this.className = "leftCategory";
}


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; 

// Function to validate Category Name

function add_validate_menu_name()
{
	var menu_name	=	document.addnewMenu.txt_menu_name.value;
	
	if(menu_name == '')
	{
		alert('Please Enter the Menu Name');
		return false;
	}
	else
	{
		return true;
	}
}

// End of Function

// Function to Validate New Menu Item 
function add_menu_item_validate()
{
	var menu_item_name	=	document.addMenuItem.txt_menu_item_name.value;
	var menu_link		=	document.addMenuItem.txt_menu_link.value;
	var menu_item_level	=	document.addMenuItem.sel_menu_item_level.value;
	var parent_menu		=	document.addMenuItem.sel_parent_menu.value;
	
	var err = 'Please Enter the Following Fields\n';
	
	if(menu_item_name == '')
	{
		err += 'Menu Item Name\n';
	}
	/*if(menu_link == '')
	{
		err += 'Menu Link\n';
	}*/
	if(menu_item_level == '')
	{
		err += 'Menu Item Level\n';
	}
	/*if(parent_menu == '')
	{
		err += 'Parent Menu\n';
	}*/
	
	if(err.length > 34)
	{
		alert(err);
		return false;
	}
	else
	{
		return true;
	}
}
// End of Function