function bannpub(capa){
var resolh
var resolw
if(screen.width==800){
		resolh = (screen.height)
		resolw = (screen.width)
		document.getElementById("capaFondo").style.visibility="visible";
		document.getElementById("capaFondo").style.width=resolw;
		document.getElementById("capaFondo").style.height=resolh;
		document.getElementById(capa).style.visibility="visible";
			}else{
			if(screen.width==1024) {
				resolh = (screen.height-200)
				resolw = (screen.width-32)
				document.getElementById(capa).style.visibility="visible";		
					}else{	
					if(screen.width==1280) {
						resolh = (screen.height-180)
						resolw = (screen.width-30)
						document.getElementById("capaFondo").style.visibility="visible";
						document.getElementById("capaFondo").style.width=resolw;
						document.getElementById("capaFondo").style.height=resolh;
						document.getElementById(capa).style.visibility="visible";
							}else{
								// mas...
								resolh = (screen.height-180)
								resolw = (screen.width-30)
								document.getElementById("capaFondo").style.visibility="visible";
								document.getElementById("capaFondo").style.width=resolw;
								document.getElementById("capaFondo").style.height=resolh;
								document.getElementById(capa).style.visibility="visible";
							}
					}
			}
	}


function Obannpub(capa)
	{
		document.getElementById(capa).style.visibility="hidden";		
		document.getElementById("capaFondo").style.visibility="hidden";
	}

function abrirVentana(ventana)
	{
		document.getElementById("capaVentana").style.visibility="visible";
	}
	
function cerrarVentana()
	{
		document.getElementById("capaVentana").style.visibility="hidden";
		document.getElementById("CapaFondo").style.visibility="hidden";
	}
	
	
function abrir(pagina)	
	{
		window.open(pagina,"","toolbar=0,scrolbar=0,width=630,height=460");
	}
	
function Impcierre()	
	{
		window.print();
		window.close();
	}

	
<!--- Boton derecho --->
var sMensaje = 'Deshabilitadas estas funciones por derechos de imagen, Gracias.';
  function anularBotonDerecho(e) {
    if (navigator.appName == 'Netscape'
       && (e.which == 3 || e.which ==    2)){
      return false;
    } else if (navigator.appName == 'Microsoft Internet Explorer' 
        && (event.button    == 2)) {
    }
  }
  document.onmousedown=anularBotonDerecho;
  document.oncontextmenu=new Function("return false");