function toggleNav(toggle){

	idToToggle = document.getElementById(toggle);
	mainNavID = 'main_nav';
	showNav = 'block_display';
	hideNav = 'no_display';
	
	if (idToToggle.className == showNav)  //If clicked item already showing, hide it and exit function.
	{
		idToToggle.className = hideNav;
		return false;
	};
	
	if (idToToggle.parentNode.parentNode.parentNode.id == mainNavID) //Toggle visible nav ULs when clicking highest level nav links.		
	{
		ulArray = document.getElementById(mainNavID).getElementsByTagName('ul').item(0).getElementsByTagName('ul'); //Collect all Uls in an array		
		for (var i=0;i<ulArray.length;i++) 
		{
				if (ulArray.item(i).className == showNav)
				{
					ulArray.item(i).className = hideNav;
				};				
		};
	};
	
	if (idToToggle.className == hideNav)  //Show item just clicked on.	
	{
		idToToggle.className = showNav;
	};
	
};

function showTest(toggle){

	idToToggle = document.getElementById(toggle);
	showNav = 'block_display';
	hideNav = 'no_display';
	if (idToToggle.className == hideNav)  //Show item just clicked on.	
	{
		idToToggle.className = showNav;
	};
	
};

function hideTest(toggle){

	idToToggle = document.getElementById(toggle);
	showNav = 'block_display';
	hideNav = 'no_display';
	
	if (idToToggle.className == showNav)  //If clicked item already showing, hide it and exit function.
	{
		idToToggle.className = hideNav;
	};
	
};

function disableButton(thisobject)
{
	if (document.getElementById)
	{
		var button = thisobject;
		var text = "Please Wait...";
		button.disabled = true;
		if (button)
		{
			if (button.childNodes[0])
			{
				button.childNodes[0].nodeValue=text;
			}
			else if (button.value)
			{		
				button.value=text;
			}
			else //if (button.innerHTML)
			{
				button.innerHTML=text;
			}		
		}
	}
};