if (document.images)
	{


	// begin side navigation links
	
	nav_home_on = new Image();
	nav_home_on.src = "./images/nav_home_on.gif";
	nav_home_off = new Image();
	nav_home_off.src = "./images/nav_home_off.gif";
	
	nav_firm_on = new Image();
	nav_firm_on.src = "./images/nav_firm_on.gif";
	nav_firm_off = new Image();
	nav_firm_off.src = "./images/nav_firm_off.gif";
	
	nav_practice_on = new Image();
	nav_practice_on.src = "./images/nav_practice_on.gif";
	nav_practice_off = new Image();
	nav_practice_off.src = "./images/nav_practice_off.gif";
	
	nav_locations_on = new Image();
	nav_locations_on.src = "./images/nav_locations_on.gif";
	nav_locations_off = new Image();
	nav_locations_off.src = "./images/nav_locations_off.gif";
	
	nav_news_on = new Image();
	nav_news_on.src = "./images/nav_news_on.gif";
	nav_news_off = new Image();
	nav_news_off.src = "./images/nav_news_off.gif";
	
	nav_resources_on = new Image();
	nav_resources_on.src = "./images/nav_resources_on.gif";
	nav_resources_off = new Image();
	nav_resources_off.src = "./images/nav_resources_off.gif";
	
	nav_trial_on = new Image();
	nav_trial_on.src = "./images/nav_trial_on.gif";
	nav_trial_off = new Image();
	nav_trial_off.src = "./images/nav_trial_off.gif";
	
	nav_consult_on = new Image();
	nav_consult_on.src = "./images/nav_consult_on.gif";
	nav_consult_off = new Image();
	nav_consult_off.src = "./images/nav_consult_off.gif";
	
	
	}





function roll(whichone, turnon)
	{
	var direction = ( turnon ) ? "_on.gif" : "_off.gif";
	document.images[whichone].src=  "./images/" + whichone + direction;
	}