<!--

  if (document.images) { 
var  onbutton = new Array ()

onbutton["power"]=new Image(205,32)
onbutton["laydown"]=new Image(205,30)
onbutton["casing"]=new Image(205,30)
onbutton["fishing"]=new Image(205,31)
onbutton["torque"]=new Image(205,32)
onbutton["locations"]=new Image(205,32)
onbutton["ourteam"]=new Image(205,30)
onbutton["strings"]=new Image(205,32)
onbutton["drill"]=new Image(205,30)
onbutton["hevi"]=new Image(205,30)
onbutton["frac"]=new Image(205,31)
onbutton["handling"]=new Image(205,32)


onbutton["power"].src="sub_menu/power_tong_r.gif"
onbutton["laydown"].src="sub_menu/laydown_r.gif"
onbutton["casing"].src="sub_menu/casing_jack_r.gif"
onbutton["fishing"].src="sub_menu/fishing_r.gif"
onbutton["torque"].src="sub_menu/torque_r.gif"
onbutton["locations"].src="sub_menu/locations_r.gif"
onbutton["ourteam"].src="sub_menu/ourteam_r.gif"
onbutton["strings"].src="sub_menu/strings_r.gif"
onbutton["drill"].src="sub_menu/drill_r.gif"
onbutton["hevi"].src="sub_menu/hevi_r.gif"
onbutton["frac"].src="sub_menu/frac_r.gif"
onbutton["handling"].src="sub_menu/handling_r.gif"

var  offbutton = new Array ()
		   
offbutton["power"]=new Image(205,32)
offbutton["laydown"]=new Image(205,30)
offbutton["casing"]=new Image(205,30)
offbutton["fishing"]=new Image(205,31)
offbutton["torque"]=new Image(205,32)
offbutton["locations"]=new Image(205,32)
offbutton["ourteam"]=new Image(205,32)
offbutton["strings"]=new Image(205,32)
offbutton["drill"]=new Image(205,30)
offbutton["hevi"]=new Image(205,30)
offbutton["frac"]=new Image(205,31)
offbutton["handling"]=new Image(205,32)

offbutton["power"].src="sub_menu/power_tong.gif"
offbutton["laydown"].src="sub_menu/laydown.gif"
offbutton["casing"].src="sub_menu/casing_jack.gif"
offbutton["fishing"].src="sub_menu/fishing.gif"
offbutton["torque"].src="sub_menu/torque.gif"
offbutton["locations"].src="sub_menu/locations.gif"
offbutton["ourteam"].src="sub_menu/ourteam.gif"
offbutton["strings"].src="sub_menu/strings.gif"
offbutton["drill"].src="sub_menu/drill.gif"
offbutton["hevi"].src="sub_menu/hevi.gif"
offbutton["frac"].src="sub_menu/frac.gif"
offbutton["handling"].src="sub_menu/handling.gif"

}
			
function changeOn(imgName) {
if (document.images){
document.images[imgName].src=onbutton[imgName].src
}
}			    

function changeOff(imgName) {
if (document.images){
document.images[imgName].src=offbutton[imgName].src
}
}
//-->