if( document.images )
{
	hydronics_home_on      = new Image();
	hydronics_home_on.src  = "/images/hydronics_home_on.gif";
	hydronics_home_off     = new Image();
	hydronics_home_off.src = "/images/hydronics_home_off.gif";
	
	sterling_hvac_contactus_on      = new Image();
	sterling_hvac_contactus_on.src  = "/images/sterling_hvac_contactus_on.gif";
	sterling_hvac_contactus_off     = new Image();
	sterling_hvac_contactus_off.src = "/images/sterling_hvac_contactus_off.gif";
	
	heat_news_on      = new Image();
	heat_news_on.src  = "/images/heat_news_on.gif";
	heat_news_off     = new Image();
	heat_news_off.src = "/images/heat_news_off.gif";
	
	heating_links_on      = new Image();
	heating_links_on.src  = "/images/heating_links_on.gif";
	heating_links_off     = new Image();
	heating_links_off.src = "/images/heating_links_off.gif";
	
	commercial_hydronics_on      = new Image();
	commercial_hydronics_on.src  = "/images/commercial_hydronics_on.gif";
	commercial_hydronics_off     = new Image();
	commercial_hydronics_off.src = "/images/commercial_hydronics_off.gif";
	
	residential_heat_on      = new Image();
	residential_heat_on.src  = "/images/residential_heat_on.gif";
	residential_heat_off     = new Image();
	residential_heat_off.src = "/images/residential_heat_off.gif";
	
	baseboard_salesreps_on      = new Image();
	baseboard_salesreps_on.src  = "/images/baseboard_salesreps_on.gif";
	baseboard_salesreps_off     = new Image();
	baseboard_salesreps_off.src = "/images/baseboard_salesreps_off.gif";
	
	hot_water_lit_on      = new Image();
	hot_water_lit_on.src  = "/images/hot_water_lit_on.gif";
	hot_water_lit_off     = new Image();
	hot_water_lit_off.src = "/images/hot_water_lit_off.gif";
	
	steam_heat_why_on      = new Image();
	steam_heat_why_on.src  = "/images/steam_heat_why_on.gif";
	steam_heat_why_off     = new Image();
	steam_heat_why_off.src = "/images/steam_heat_why_off.gif";
	
	commercial_hydronics_rep_on      = new Image();
	commercial_hydronics_rep_on.src  = "/images/commercial_hydronics_rep_on.gif";
	commercial_hydronics_rep_off     = new Image();
	commercial_hydronics_rep_off.src = "/images/commercial_hydronics_rep_off.gif";
	
	residential_heat_rep_on      = new Image();
	residential_heat_rep_on.src  = "/images/residential_heat_rep_on.gif";
	residential_heat_rep_off     = new Image();
	residential_heat_rep_off.src = "/images/residential_heat_rep_off.gif";
	
	classic_on      = new Image();
	classic_on.src  = "/images/classic_on.gif";
	classic_off     = new Image();
	classic_off.src = "/images/classic_off.gif";
	
	kompak_on      = new Image();
	kompak_on.src  = "/images/kompak_on.gif";
	kompak_off     = new Image();
	kompak_off.src = "/images/kompak_off.gif";
	
	heatrim_on      = new Image();
	heatrim_on.src  = "/images/heatrim_on.gif";
	heatrim_off     = new Image();
	heatrim_off.src = "/images/heatrim_off.gif";
	
	petite_on      = new Image();
	petite_on.src  = "/images/petite_on.gif";
	petite_off     = new Image();
	petite_off.src = "/images/petite_off.gif";
	
	designline_on      = new Image();
	designline_on.src  = "/images/designline_on.gif";
	designline_off     = new Image();
	designline_off.src = "/images/designline_off.gif";
	
	suntemp_on      = new Image();
	suntemp_on.src  = "/images/suntemp_on.gif";
	suntemp_off     = new Image();
	suntemp_off.src = "/images/suntemp_off.gif";
	
	fintube_on      = new Image();
	fintube_on.src  = "/images/fintube_on.gif";
	fintube_off     = new Image();
	fintube_off.src = "/images/fintube_off.gif";
	
	terminal_units_on      = new Image();
	terminal_units_on.src  = "/images/terminal_units_on.gif";
	terminal_units_off     = new Image();
	terminal_units_off.src = "/images/terminal_units_off.gif";
	
	radiant_heating_on      = new Image();
	radiant_heating_on.src  = "/images/radiant_heating_on.gif";
	radiant_heating_off     = new Image();
	radiant_heating_off.src = "/images/radiant_heating_off.gif";
	
	panel_radiators_on      = new Image();
	panel_radiators_on.src  = "/images/panel_radiators_on.gif";
	panel_radiators_off     = new Image();
	panel_radiators_off.src = "/images/panel_radiators_off.gif";
	
	versaline_on      = new Image();
	versaline_on.src  = "/images/versaline_on.gif";
	versaline_off     = new Image();
	versaline_off.src = "/images/versaline_off.gif";
	
	classic_com_on      = new Image();
	classic_com_on.src  = "/images/classic_com_on.gif";
	classic_com_off     = new Image();
	classic_com_off.src = "/images/classic_com_off.gif";
	
	guardian_on      = new Image();
	guardian_on.src  = "/images/guardian_on.gif";
	guardian_off     = new Image();
	guardian_off.src = "/images/guardian_off.gif";
	
	light_commercial_on      = new Image();
	light_commercial_on.src  = "/images/light_commercial_on.gif";
	light_commercial_off     = new Image();
	light_commercial_off.src = "/images/light_commercial_off.gif";
	
	sterwyn_on      = new Image();
	sterwyn_on.src  = "/images/sterwyn_on.gif";
	sterwyn_off     = new Image();
	sterwyn_off.src = "/images/sterwyn_off.gif";
	
	cabinet_unit_on      = new Image();
	cabinet_unit_on.src  = "/images/cabinet_unit_on.gif";
	cabinet_unit_off     = new Image();
	cabinet_unit_off.src = "/images/cabinet_unit_off.gif";
	
	convectors_on      = new Image();
	convectors_on.src  = "/images/convectors_on.gif";
	convectors_off     = new Image();
	convectors_off.src = "/images/convectors_off.gif";
	
	steam_hot_water_on      = new Image();
	steam_hot_water_on.src  = "/images/steam_hot_water_on.gif";
	steam_hot_water_off   = new Image();
	steam_hot_water_off.src = "/images/steam_hot_water_off.gif";
}

function on(nameon)
{
	if( document.images )
		document[nameon].src = eval(nameon + "_on.src");
}
function off(nameoff)
{
	if( document.images )
		document[nameoff].src = eval(nameoff + "_off.src");
}