var selected = "";
var ims = new Array();
var rims = new Array();

/* menu principal */

defineImage("mmtrav", "img/mm_trav.gif", "img/mm_trav2.gif");
defineImage("mmserv", "img/mm_serv.gif", "img/mm_serv2.gif");
defineImage("mmnoti", "img/mm_noti.gif", "img/mm_noti2.gif");
defineImage("mmcons", "img/mm_cons.gif", "img/mm_cons2.gif");
defineImage("mmcont", "img/mm_cont.gif", "img/mm_cont2.gif");

/* submen� informaci�n - acerca de Travel Air */

defineImage("smquie", "img/sm_quie.gif", "img/sm_quie2.gif");
defineImage("smdond", "img/sm_donde.gif", "img/sm_donde2.gif");
defineImage("smpoli", "img/sm_poli.gif", "img/sm_poli2.gif");
defineImage("smcali", "img/sm_cali.gif", "img/sm_cali2.gif");
defineImage("smequi", "img/sm_equi.gif", "img/sm_equi2.gif");
defineImage("smclie", "img/sm_clie.gif", "img/sm_clie2.gif");

/* submen� servicios */

defineImage("smofer", "img/sm_ofer.gif", "img/sm_ofer2.gif");
defineImage("smcomp", "img/sm_comp.gif", "img/sm_comp2.gif");
defineImage("smeven", "img/sm_even.gif", "img/sm_even2.gif");

/* submen� �rea clientes */

defineImage("smmicu", "img/sm_micuenta.gif", "img/sm_micuenta2.gif");
defineImage("smcons", "img/sm_estadisticos.gif", "img/sm_estadisticos2.gif");
defineImage("smsoli", "img/sm_solicitudes.gif", "img/sm_solicitudes2.gif");
defineImage("smdesc", "img/sm_documentos.gif", "img/sm_documentos2.gif");
defineImage("smferi", "img/sm_ferias.gif", "img/sm_ferias2.gif");
defineImage("smtabs", "img/sm_tabs.gif", "img/sm_tabs2.gif");
defineImage("smfac", "img/sm_facturacion.gif", "img/sm_facturacion2.gif");

function defineImage(name, url, rurl, durl) {
	ims[name] = new Image();
	ims[name].src = url;
	
	rims[name] = new Image();
	rims[name].src = rurl;

}


function rollover(imageName) {
	if (imageName != selected) {
	document.images[imageName].src = rims[imageName].src;
	}
}


function rollout(imageName) {
	if (imageName != selected) {
	document.images[imageName].src = ims[imageName].src;
	}
}