if(document.images){
	svc_on = new Image();
	exm_on = new Image();
	crp_on = new Image();
	rec_on = new Image();
	blg_on = new Image();
	sup_on = new Image();
	svc_on.src = "/img/home/mn-svc-on.gif";
	exm_on.src = "/img/home/mn-exm-on.gif";
	crp_on.src = "/img/home/mn-crp-on.gif";
	rec_on.src = "/img/home/mn-rec-on.gif";
	blg_on.src = "/img/home/mn-blg-on.gif";
	sup_on.src = "/img/home/mn-sup-on.gif";
}
else{
	svc_on = "";
	exm_on = "";
	crp_on = "";
	rec_on = "";
	blg_on = "";
	sup_on = "";
}

function img_act(name, varName){
	if(document.images){
		document.images[name].src = varName.src;
	}
}

function img_inact(name, imgName){
	if(document.images){
		document.images[name].src = imgName;
	}
}