var rn = 1;
var rand = Math.random(); 
rn = Math.floor(rand*10+1); 


switch (rn) 
{
case 0: 
case 1: 
case 2: 
case 3:
case 4:
        //lightroom o PS
        document.write('<a href="http://www.canonistas.com/index.php?pageid=curso-iniciacion-lightroom" target="_parent"><img src="../images/talleres-120x600-lightroom-091228.jpg" border="0"></a>');
        break;
case 5:
case 6:
case 7:
	//iluminaicon
	document.write('<a href="http://www.canonistas.com/index.php?pageid=workshop-fotografia-estudio" target="_parent"><img src="../images/talleres-120x600-ilum-091228.gif" border="0"></a>');
        break;
 
case 8: 
case 9: 
case 10:
      //general
        document.write('<a href="http://www.canonistas.com/cursos" target="_parent"><img src="../images/talleres-120x600-general.jpg" border="0"></a>');
        break;

default:
	//google
	document.write('<a href="http://www.canonistas.com/cursos" target="_parent"><img src="../images/talleres-120x600-general.jpg" border="0"></a>');
	break
}

