var myimages=new Array()
function preload(){
 for (i=0;i<preload.arguments.length;i++){
  myimages[i]=new Image()
  myimages[i].src=preload.arguments[i]
 }
}

function popup(imagen){
  window.open('popup.php?s='+imagen , 'popup' , 'width=480,height=560');
}
function popupgen(ruta,w,h){
  window.open(ruta , 'popup1' , 'width='+w+',height='+h );
}

function swap(imagen){
 document.imgcentro.src=imagen;
}

function linea(texto){
 document.getElementById('linea').innerHTML=texto.toUpperCase();
 }