if (document.images) 
	{

 button20 = new Image()
	button20.src = "images/btn_home.gif"
	button20over = new Image()
	button20over.src = "images/btn_home_on.gif"

  button21 = new Image()
	button21.src = "images/btn_services.gif"
	button21over = new Image()
	button21over.src = "images/btn_services_on.gif"

  button22 = new Image()
	button22.src = "images/btn_about.gif"
	button22over = new Image()
	button22over.src = "images/btn_about_on.gif"

  button23 = new Image()
	button23.src = "images/btn_careers.gif"
	button23over = new Image()
	button23over.src = "images/btn_careers_on.gif"

  button24 = new Image()
	button24.src = "images/btn_contact.gif"
	button24over = new Image()
	button24over.src = "images/btn_contact_on.gif"



 button30 = new Image()
	button30.src = "images/btn_bid_request.gif"
	button30over = new Image()
	button30over.src = "images/btn_bid_request_on.gif"

 button31 = new Image()
	button31.src = "images/btn_service_request.gif"
	button31over = new Image()
	button31over.src = "images/btn_service_request_on.gif"

 button32 = new Image()
	button32.src = "images/btn_get_more.gif"
	button32over = new Image()
	button32over.src = "images/btn_get_more_on.gif"



 button40 = new Image()
	button40.src = "images/btn_our_team.gif"
	button40over = new Image()
	button40over.src = "images/btn_our_team_on.gif"

 button41 = new Image()
	button41.src = "images/btn_testimonials.gif"
	button41over = new Image()
	button41over.src = "images/btn_testimonials_on.gif"

 button42 = new Image()
	button42.src = "images/btn_awards.gif"
	button42over = new Image()
	button42over.src = "images/btn_awards_on.gif"

 button43 = new Image()
	button43.src = "images/btn_press.gif"
	button43over = new Image()
	button43over.src = "images/btn_press_on.gif"



 button50 = new Image()
	button50.src = "images/btn_jobs.gif"
	button50over = new Image()
	button50over.src = "images/btn_jobs_on.gif"

 button51 = new Image()
	button51.src = "images/btn_internships.gif"
	button51over = new Image()
	button51over.src = "images/btn_internships_on.gif"



 button60 = new Image()
	button60.src = "images/btn_maintenance.gif"
	button60over = new Image()
	button60over.src = "images/btn_maintenance_on.gif"

 button61 = new Image()
	button61.src = "images/btn_water.gif"
	button61over = new Image()
	button61over.src = "images/btn_water_on.gif"

 button62 = new Image()
	button62.src = "images/btn_color.gif"
	button62over = new Image()
	button62over.src = "images/btn_color_on.gif"

 button63 = new Image()
	button63.src = "images/btn_installation.gif"
	button63over = new Image()
	button63over.src = "images/btn_installation_on.gif"

 button64 = new Image()
	button64.src = "images/btn_snow.gif"
	button64over = new Image()
	button64over.src = "images/btn_snow_on.gif"


	}
function switchimage(string,i) 
	{
	if (document.images) eval("document.button" + i + ".src = " + string) 
	}
// -->