/* Initialize global nav _theme/images */
if (document.images) {
	gHomeOn = new Image(19,80);
	gHomeOn.src = "../_theme/images/menu/home_on.gif";
	gHomeOff = new Image(19,80);
	gHomeOff.src = "../_theme/images/menu/home_off.gif";
	
	gClientsOn = new Image(19,80);
	gClientsOn.src = "../_theme/images/menu/clients_on.gif";
	gClientsOff = new Image(19,80);
	gClientsOff.src = "../_theme/images/menu/clients_off.gif";
	
	gSignInOn = new Image(19,100);
	gSignInOn.src = "../_theme/images/menu/signin_on.gif";
	gSignInOff = new Image(19,100);
	gSignInOff.src = "../_theme/images/menu/signin_off.gif";
	
	gServicesOn = new Image(19,80);
	gServicesOn.src = "../_theme/images/menu/services_on.gif";
	gServicesOff = new Image(19,80);
	gServicesOff.src = "../_theme/images/menu/services_off.gif";
	
	gblankOn = new Image(19,80);
	gblankOn.src = "../_theme/images/menu/blank_on.gif";
	gblankOff = new Image(19,80);
	gblankOff.src = "../_theme/images/menu/blank_off.gif";
	
	gAboutusOn = new Image(19,80);
	gAboutusOn.src = "../_theme/images/menu/aboutus_on.gif";
	gAboutusOff = new Image(19,80);
	gAboutusOff.src = "../_theme/images/menu/aboutus_off.gif";
	
	gContactusOn = new Image(19,80);
	gContactusOn.src = "../_theme/images/menu/contactus_on.gif";
	gContactusOff = new Image(19,80);
	gContactusOff.src = "../_theme/images/menu/contactus_off.gif";	
	
	gUsersOn = new Image(19,80);
	gUsersOn.src = "../_theme/images/menu/users_on.gif";
	gUsersOff = new Image(19,80);
	gUsersOff.src = "../_theme/images/menu/users_off.gif";	
	
	gGroupsOn = new Image(19,80);
	gGroupsOn.src = "../_theme/images/menu/groups_on.gif";
	gGroupsOff = new Image(19,80);
	gGroupsOff.src = "../_theme/images/menu/groups_off.gif";
	
	gReportsOn = new Image(19,80);
	gReportsOn.src = "../_theme/images/menu/reports_on.gif";
	gReportsOff = new Image(19,80);
	gReportsOff.src = "../_theme/images/menu/reports_off.gif";	
}

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

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