if (document.images)  
	{    
		button_sec_about_off = new Image(82,20);
		button_sec_about_off.src = "images/button_sec_about_off.gif";
		button_sec_about_on = new Image(82,20);
		button_sec_about_on.src = "images/button_sec_about_on.gif";
		
		button_sec_services_off = new Image(80,20);
		button_sec_services_off.src = "images/button_sec_services_off.gif";
		button_sec_services_on = new Image(80,20);
		button_sec_services_on.src = "images/button_sec_services_on.gif";
		
		button_sec_portfolio_off = new Image(109,20);
		button_sec_portfolio_off.src = "images/button_sec_portfolio_off.gif";
		button_sec_portfolio_on = new Image(109,20);
		button_sec_portfolio_on.src = "images/button_sec_portfolio_on.gif";
		
		button_sec_home_off = new Image(109,20);
		button_sec_home_off.src = "images/button_sec_home_off.gif";
		button_sec_home_on = new Image(109,20);
		button_sec_home_on.src = "images/button_sec_home_on.gif";
		
	}