function imgOn(imgName)
{if (document.images) {document[imgName].src=eval(imgName+"on.src");}}

function imgOff(imgName)
{if (document.images) {document[imgName].src=eval(imgName+"off.src");}}

if (document.images)
{
parison=new Image(); parison.src="../img/city_paris_on.gif";
parisoff=new Image(); parisoff.src="../img/city_paris_off.gif";

mumbaion=new Image(); mumbaion.src="../img/city_mumbai_on.gif";
mumbaioff=new Image(); mumbaioff.src="../img/city_mumbai_off.gif";

havanaon=new Image(); havanaon.src="../img/city_havana_on.gif";
havanaoff=new Image(); havanaoff.src="../img/city_havana_off.gif";

buenosaireson=new Image(); buenosaireson.src="../img/city_buenosaires_on.gif";
buenosairesoff=new Image(); buenosairesoff.src="../img/city_buenosaires_off.gif";

newyorkon=new Image(); newyorkon.src="../img/city_newyork_on.gif";
newyorkoff=new Image(); newyorkoff.src="../img/city_newyork_off.gif";

kualalumpuron=new Image(); kualalumpuron.src="../img/city_kualalumpur_on.gif";
kualalumpuroff=new Image(); kualalumpuroff.src="../img/city_kualalumpur_off.gif";

sydneyon=new Image(); sydneyon.src="../img/city_sydney_on.gif";
sydneyoff=new Image(); sydneyoff.src="../img/city_sydney_off.gif";

singaporeon=new Image(); singaporeon.src="../img/city_singapore_on.gif";
singaporeoff=new Image(); singaporeoff.src="../img/city_singapore_off.gif";

}