if (document.images) {

globalnav_01_over= new Image
globalnav_01_over.src = 'images/globalnav_01_over.gif'
globalnav_01_out= new Image
globalnav_01_out.src= 'images/globalnav_01_out.gif'
globalnav_02_over= new Image
globalnav_02_over.src = 'images/globalnav_02_over.gif'
globalnav_02_out= new Image
globalnav_02_out.src= 'images/globalnav_02_out.gif'
globalnav_03_over= new Image
globalnav_03_over.src = 'images/globalnav_03_over.gif'
globalnav_03_out= new Image
globalnav_03_out.src= 'images/globalnav_03_out.gif'
globalnav_04_over= new Image
globalnav_04_over.src = 'images/globalnav_04_over.gif'
globalnav_04_out= new Image
globalnav_04_out.src= 'images/globalnav_04_out.gif'
globalnav_11_over= new Image
globalnav_11_over.src = 'images/globalnav_11_over.gif'
globalnav_11_out= new Image
globalnav_11_out.src= 'images/globalnav_11_out.gif'
globalnav_12_over= new Image
globalnav_12_over.src = 'images/globalnav_12_over.gif'
globalnav_12_out= new Image
globalnav_12_out.src= 'images/globalnav_12_out.gif'
globalnav_14_over= new Image
globalnav_14_over.src = 'images/globalnav_14_over.gif'
globalnav_14_out= new Image
globalnav_14_out.src= 'images/globalnav_14_out.gif'
preflight_over= new Image
preflight_over.src = 'images/preflight_over.gif'
preflight_out= new Image
preflight_out.src= 'images/preflight_out.gif'
flightservice_over= new Image
flightservice_over.src = 'images/flightservice_over.gif'
flightservice_out= new Image
flightservice_out.src= 'images/flightservice_out.gif'
notamtfr_over= new Image
notamtfr_over.src = 'images/notamtfr_over.gif'
notamtfr_out= new Image
notamtfr_out.src= 'images/notamtfr_out.gif'
flightplans_over= new Image
flightplans_over.src = 'images/flightplans_over.gif'
flightplans_out= new Image
flightplans_out.src= 'images/flightplans_out.gif'
sportpilots_over= new Image
sportpilots_over.src = 'images/sportpilots_over.gif'
sportpilots_out= new Image
sportpilots_out.src= 'images/sportpilots_out.gif'
toweredairports_over= new Image
toweredairports_over.src = 'images/toweredairports_over.gif'
toweredairports_out= new Image
toweredairports_out.src= 'images/toweredairports_out.gif'
seattleartcc_over= new Image
seattleartcc_over.src = 'images/seattleartcc_over.gif'
seattleartcc_out= new Image
seattleartcc_out.src= 'images/seattleartcc_out.gif'
checkin_over= new Image
checkin_over.src = 'images/checkin_over.gif'
checkin_out= new Image
checkin_out.src= 'images/checkin_out.gif'
rampcams_over= new Image
rampcams_over.src = 'images/rampcams_over.gif'
rampcams_out= new Image
rampcams_out.src= 'images/rampcams_out.gif'
currentconditions_over= new Image
currentconditions_over.src = 'images/currentconditions_over.gif'
currentconditions_out= new Image
currentconditions_out.src= 'images/currentconditions_out.gif'
metartaf_over= new Image
metartaf_over.src = 'images/metartaf_over.gif'
metartaf_out= new Image
metartaf_out.src= 'images/metartaf_out.gif'
radarsat_over= new Image
radarsat_over.src = 'images/radarsat_over.gif'
radarsat_out= new Image
radarsat_out.src= 'images/radarsat_out.gif'
airmetsigmet_over= new Image
airmetsigmet_over.src = 'images/airmetsigmet_over.gif'
airmetsigmet_out= new Image
airmetsigmet_out.src= 'images/airmetsigmet_out.gif'
progchart_over= new Image
progchart_over.src = 'images/progchart_over.gif'
progchart_out= new Image
progchart_out.src= 'images/progchart_out.gif'
forecast_over= new Image
forecast_over.src = 'images/forecast_over.gif'
forecast_out= new Image
forecast_out.src= 'images/forecast_out.gif'
forecastdiscussion_over= new Image
forecastdiscussion_over.src = 'images/forecastdiscussion_over.gif'
forecastdiscussion_out= new Image
forecastdiscussion_out.src= 'images/forecastdiscussion_out.gif'
disclaimer_over= new Image
disclaimer_over.src = 'images/disclaimer_over.gif'
disclaimer_out= new Image
disclaimer_out.src= 'images/disclaimer_out.gif'

}

else {
globalnav_01_over= " "
globalnav_01_out= " "
document.globalnav_01 = " "
globalnav_02_over= " "
globalnav_02_out= " "
document.globalnav_02 = " "
globalnav_03_over= " "
globalnav_03_out= " "
document.globalnav_03 = " "
globalnav_04_over= " "
globalnav_04_out= " "
document.globalnav_04 = " "
preflight_over= " "
preflight_out= " "
document.preflight = " "
flightservice_over= " "
flightservice_out= " "
document.flightservice = " "
notamtfr_over= " "
notamtfr_out= " "
document.notamtfr = " "
flightplans_over= " "
flightplans_out= " "
document.flightplans = " "
sportpilots_over= " "
sportpilots_out= " "
document.sportpilots = " "
toweredairports_over= " "
toweredairports_out= " "
document.toweredairports = " "
seattleartcc_over= " "
seattleartcc_out= " "
document.seattleartcc = " "
checkin_over= " "
checkin_out= " "
document.checkin = " "
rampcams_over= " "
rampcams_out= " "
document.rampcams = " "
currentconditions_over= " "
currentconditions_out= " "
document.currentconditions = " "
metartaf_over= " "
metartaf_out= " "
document.metartaf = " "
radarsat_over= " "
radarsat_out= " "
document.radarsat = " "
airmetsigmet_over= " "
airmetsigmet_out= " "
document.airmetsigmet = " "
progchart_over= " "
progchart_out= " "
document.progchart = " "
forecast_over= " "
forecast_out= " "
document.forecast = " "
forecastdiscussion_over= " "
forecastdiscussion_out= " "
document.forecastdiscussion = " "
disclaimer_over= " "
disclaimer_out= " "
document.disclaimer = " "
}