function popUp(page)
{
    poppit=window.open(page,'Foto','width=100%,height=100%,scrollbars=no,resizable=0,menubar=0,toolbar=0,status=0,location=0,directories=0,left=350,top=200,leftmargin=0,topmargin=0,marginwidth=0,marginheight=0');
}	
 function PopUp(img){
        foto1= new Image();
        foto1.src=(img);
        Control(img);
 }
  
 function Control(img){
        if((foto1.width!=0)&&(foto1.height!=0)){
               verFoto(img);
        }
   else{
        funcion="Control('"+img+"')";
               intervalo=setTimeout(funcion,20);
        }
 }
 function verFoto(img){
        ancho=foto1.width+20;
        alto=foto1.height+20;
        cadena="width="+ancho+",height="+alto;
        ventana=window.open(img,"",cadena);
   }