function switchlayer(id,trigger) {
	if (trigger=="1") {
		if (document.layers) { document.layers[''+id+''].visibility = "show"; }
		else if (document.all) { document.all[''+id+''].style.visibility = "visible"; }
		else if (document.getElementById) { document.getElementById(''+id+'').style.visibility = "visible"; }				
	}
	else if (trigger=="0") {
		if (document.layers) { document.layers[''+id+''].visibility = "hide"; }
		else if (document.all) { document.all[''+id+''].style.visibility = "hidden"; }
		else if (document.getElementById) { document.getElementById(''+id+'').style.visibility = "hidden"; }			
	}
}

function preloadImages() {
	arImageSrc = new Array (
				"imagenes/blanco.gif",
				"imagenes/flecha.gif",
				"imagenes/logos/mazak.gif",
				"imagenes/logos/preci.gif",
				"imagenes/logos/caorle.gif",
				"imagenes/logos/ekin.gif",
				"imagenes/logos/escofier.gif",
				"imagenes/logos/estarta.gif",
				"imagenes/logos/fosterline.gif",
				"imagenes/logos/galdabini.gif",
				"imagenes/logos/gh.gif",
				"imagenes/logos/jonesshipman.gif",
				"imagenes/logos/kapp.gif",
				"imagenes/logos/maus.gif",
				"imagenes/logos/nedschroef.gif",
				"imagenes/logos/omax.gif",
				"imagenes/logos/rouchaud.gif",
				"imagenes/logos/spms.gif",
				"imagenes/logos/thompson.gif",
				"imagenes/logos/voumard.gif")

    arImageList = new Array ();
    for (counter in arImageSrc) {
        arImageList[counter] = new Image();
        arImageList[counter].src = arImageSrc[counter];}
}

preloadImages();

function imgout(flecha, logo) {
	flecha.src = "imagenes/blanco.gif";
	logo.src = "imagenes/logos/preci.gif";
	}
function imgovr0(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/mazak.gif";
	}
function imgovr1(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/caorle.gif";
	}	
function imgovr2(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/ekin.gif";
	}	
function imgovr3(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/escofier.gif";
	}
function imgovr4(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/estarta.gif";
	}
function imgovr5(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/forestline.gif";
	}
function imgovr6(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/galdabini.gif";
	}
function imgovr7(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/gh.gif";
	}
function imgovr8(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/jonesshipman.gif";
	}
function imgovr9(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/kapp.gif";
	}
function imgovr10(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/maus.gif";
	}
function imgovr11(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/nedschroef.gif";
	}
function imgovr12(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/omax.gif";
	}
function imgovr13(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/rouchaud.gif";
	}
function imgovr14(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/spms.gif";
	}
function imgovr15(flecha, logo) {
	
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/thompson.gif";
	}
function imgovr16(flecha, logo) {
	flecha.src = "imagenes/flecha.gif";
	logo.src = "imagenes/logos/voumard.gif";
	}

a1= new Image();
a1.src = "imagenes/m_b.gif";

function preloadImages_menu() {
        arImageSrc = new Array (
                                "imagenes/m_b.gif")

        arImageList = new Array ();
        for (counter in arImageSrc) {
                arImageList[counter] = new Image();
                arImageList[counter].src = arImageSrc[counter];}
}

function img_ovr(img1){
                               
								img1.src = "imagenes/m_b.gif"; }
function img_out(img1){
                                img1.src = "imagenes/m_a.gif"; }

preloadImages_menu();