/**
 * Navigation roll-overs
 */
function navOver( name )
{
	var id		= "nav_" + name;
	$(id).src	= "/images/nav/" + name + "-over.gif";
}
function navOut( name )
{
	var id		= "nav_" + name;
	$(id).src	= "/images/nav/" + name + ".gif";
}

function jqNavOver( name )
{
	var id		= "#nav_" + name;
	$(id).attr('src', "/images/nav/" + name + "-over.gif");
}
function jqNavOut( name )
{
	var id		= "#nav_" + name;
	$(id).attr('src', "/images/nav/" + name + ".gif");
}

/**
 * Pre-loading for the nav images
 */
if( document.images )
{
	imgObj	= new Image();
	
	//	Define the images
	images	= new Array();
	images[0]	= "/images/nav/about-over.gif";
	images[1]	= "/images/nav/park_rules-over.gif";
	images[2]	= "/images/nav/news-over.gif";
	images[3]	= "/images/nav/events-over.gif";
	images[4]	= "/images/nav/volunteer-over.gif";
	images[5]	= "/images/nav/donate-over.gif";
	images[6]	= "/images/nav/growllery-over.gif";
	images[7]	= "/images/nav/links-over.gif";
	images[8]	= "/images/nav/contact-over.gif";
	
	//	Preload the images
	for( var i = 0; i < images.length; i++ )
		imgObj.src	= images[ i ];
}