/* Load all images */
if(document.images)
{ 
	/** LEFT NAVIGATION BUTTONS **/
	/* On mouse out event */
	mouse_homeOff = new Image();
	mouse_contributeOff = new Image();
	mouse_endorsementsOff = new Image();
	mouse_bioOff = new Image();
	mouse_issuesOff = new Image();
	mouse_photosOff = new Image();
	mouse_get_involvedOff = new Image();
	mouse_contactOff = new Image();
	mouse_newsOff = new Image();
	mouse_pressOff = new Image();
	mouse_calendarOff = new Image();
	
	mouse_homeOff.src = "/images/left_nav_mouse_homeOff.gif";
	mouse_contributeOff.src = "/images/left_nav_mouse_contributeOff.gif";
	mouse_endorsementsOff.src = "/images/left_nav_mouse_endorseOff.gif";
	mouse_bioOff.src = "/images/left_nav_mouse_bioOff.gif";
	mouse_issuesOff.src = "/images/left_nav_mouse_issuesOff.gif";
	mouse_photosOff.src = "/images/left_nav_mouse_photosOff.gif";
	mouse_get_involvedOff.src = "/images/left_nav_mouse_giOff.gif";
	mouse_contactOff.src = "/images/left_nav_mouse_contactOff.gif";
	mouse_newsOff.src = "/images/left_nav_mouse_newsOff.gif";
	mouse_pressOff.src = "/images/left_nav_mouse_pressOff.gif";
	mouse_calendarOff.src = "/images/left_nav_mouse_calendarOff.gif";
	
	/* On mouse over, up event */
	mouse_homeOn = new Image();
	mouse_contributeOn = new Image();
	mouse_endorsementsOn = new Image();
	mouse_bioOn = new Image();
	mouse_issuesOn = new Image();
	mouse_photosOn = new Image();
	mouse_get_involvedOn = new Image();
	mouse_contactOn = new Image();
	mouse_newsOn = new Image();
	mouse_pressOn = new Image();
	mouse_calendarOn = new Image();
		
	mouse_homeOn.src = "/images/left_nav_mouse_homeOn.gif";
	mouse_contributeOn.src = "/images/left_nav_mouse_contributeOn.gif";
	mouse_endorsementsOn.src = "/images/left_nav_mouse_endorseOn.gif";
	mouse_bioOn.src = "/images/left_nav_mouse_bioOn.gif";
	mouse_issuesOn.src = "/images/left_nav_mouse_issuesOn.gif";
	mouse_photosOn.src = "/images/left_nav_mouse_photosOn.gif";
	mouse_get_involvedOn.src = "/images/left_nav_mouse_giOn.gif";
	mouse_contactOn.src = "/images/left_nav_mouse_contactOn.gif";
	mouse_newsOn.src = "/images/left_nav_mouse_newsOn.gif";
	mouse_pressOn.src = "/images/left_nav_mouse_pressOn.gif";
	mouse_calendarOn.src = "/images/left_nav_mouse_calendarOn.gif";
	
	/* On mouse down events */
	click_homeOn = new Image();
	click_contributeOn = new Image();
	click_endorsementsOn = new Image();
	click_bioOn = new Image();
	click_issuesOn = new Image();
	click_photosOn = new Image();
	click_get_involvedOn = new Image();
	click_contactOn = new Image();
	click_newsOn = new Image();
	click_pressOn = new Image();
	click_calendarOn = new Image();
		
	click_homeOn.src = "/images/left_nav_click_homeOn.gif";
	click_contributeOn.src = "/images/left_nav_click_contributeOn.gif";
	click_endorsementsOn.src = "/images/left_nav_click_endorseOn.gif";
	click_bioOn.src = "/images/left_nav_click_bioOn.gif";
	click_issuesOn.src = "/images/left_nav_click_issuesOn.gif";
	click_photosOn.src = "/images/left_nav_click_photosOn.gif";
	click_get_involvedOn.src = "/images/left_nav_click_giOn.gif";
	click_contactOn.src = "/images/left_nav_click_contactOn.gif";
	click_newsOn.src = "/images/left_nav_click_newsOn.gif";
	click_pressOn.src = "/images/left_nav_click_pressOn.gif";
	click_calendarOn.src = "/images/left_nav_click_calendarOn.gif";
}

/* change the images when called */
function chgNav(imgField,newImg)
{
	if (document.images)
	{
		document[imgField].src = eval(newImg + ".src")
    }
}