function newImage(arg) 
{	
	if (document.images) 
	{		
		rslt = new Image();		
		rslt.src = arg;		
		return rslt;	
	}
}

function changeImages() 
{	
	if (document.images && (preloadFlag == true)) 
	{		
		for (var i=0; i<changeImages.arguments.length; i+=2) 
		{			
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];		
		}	
	}
}

var preloadFlag = false;

function preloadImages() 
{	
	if (document.images) 
	{		
		menu2_01_contact_over = newImage("images/menu2_01-contact_over.jpg");		
		menu2_01_links_over = newImage("images/menu2_01-links_over.jpg");		
		menu2_01_guestbook_over = newImage("images/menu2_01-guestbook_over.jpg");		
		menu2_01_policies_over = newImage("images/menu2_01-policies_over.jpg");		
		menu2_01_services_over = newImage("images/menu2_01-services_over.jpg");		
		menu2_01_home_over = newImage("images/menu2_01-home_over.jpg");		
		preloadFlag = true;	
	}
}