if (document.images) {

//	OFF MENU SRC
	var boompumps_off = new Image(); boompumps_off.src = "/pics/sidenav/boompumps_yellow_off.gif";
	var telebelts_off = new Image(); telebelts_off.src = "/pics/sidenav/telebelts_yellow_off.gif";
	var placingbooms_off = new Image(); placingbooms_off.src = "/pics/sidenav/placingbooms_yellow_off.gif";
	var thomkatt_off = new Image(); thomkatt_off.src = "/pics/sidenav/thomkatt_yellow_off.gif";
	var mortar_off = new Image(); mortar_off.src = "/pics/sidenav/mortar_yellow_off.gif";
	var industrialpumps_off = new Image(); industrialpumps_off.src = "/pics/sidenav/industrial_yellow_off.gif";
    
    
//	ON MENU SRC
	var boompumps_on = new Image(); boompumps_on.src = "/pics/sidenav/boompumps_yellow_on.gif";
	var telebelts_on = new Image(); telebelts_on.src = "/pics/sidenav/telebelts_yellow_on.gif";
	var placingbooms_on = new Image(); placingbooms_on.src = "/pics/sidenav/placingbooms_yellow_on.gif";
	var thomkatt_on = new Image(); thomkatt_on.src = "/pics/sidenav/thomkatt_yellow_on.gif";
	var mortar_on = new Image(); mortar_on.src = "/pics/sidenav/mortar_yellow_on.gif";
	var industrialpumps_on = new Image(); industrialpumps_on.src = "/pics/sidenav/industrial_yellow_on.gif";

}


//	TURN ON IMG
function turnOn(imgName) {
	if (document.images) {
		document[imgName].src = eval (imgName + '_on.src');
	}
}

//	TURN OFF IMG
function turnOff(imgName) {
	 if (document.images) {
	 	document[imgName].src = eval (imgName + '_off.src');
	}
}