document.write("<map name='Map'><area shape='rect' coords='10,14,236,106' href='index.html'></map>");

	function VecImagenes(){
	  n=0;
	  this[n++]="Top/1.jpg";	  
	  this[n++]="Top/2.jpg";	  
	  this[n++]="Top/3.jpg";	  
      this[n++]="Top/4.jpg";
	  this[n++]="Top/5.jpg";
	  this[n++]="Top/6.jpg";
  	  this[n++]="Top/7.jpg";	  
	  this[n++]="Top/8.jpg";	  
	  this.N=n;
	}
	var Imagenes=new VecImagenes();
	src= Imagenes[ Math.floor(Math.random() * Imagenes.N) ] ;
	document.write("<IMG SRC="+src+" width=780 height=143 border=0 usemap='#Map'>");