/*
Navigation Script
DenverChildrensHome.org

Karl Glasgow
code@keg4.com
Copyright 2010, All Rights Reserved.
*/

var strDropdownId = '';
var dropdownTimer = null;

function show_dropdown(strId)
{
	var divDropdown = document.getElementById('dd' + strId);
	if (divDropdown)
	{
	    if (strDropdownId != strId) 
	    {
	        if (strDropdownId != '') 
	        {
	            hide_dropdown();
	        }
	        
		    divDropdown.style.display = 'block';
		    strDropdownId = strId;
	    } 
	    else 
	    {
	        clearTimeout(dropdownTimer);
	        dropdownTimer = null;
	    }
		
		if (dropdownTimer === null) 
		{
		    dropdownTimer = setTimeout('hide_dropdown()', 2500);
		}
	} 
}

function hide_dropdown()
{
	var divDropdown = document.getElementById('dd' + strDropdownId);
	if (divDropdown)
	{
		divDropdown.style.display = 'none';
		strDropdownId = '';
			  
		clearTimeout(dropdownTimer);
		dropdownTimer = null;
	}
}