function removeString(s, t)
{
	i = s.indexOf(t);
	r = "";
	if (i == -1) return s;
	r += s.substring(0,i) + removeString(s.substring(i + t.length), t);
	return r;
}

function AlternarImagen(img) {
	var searchString = '_on';
	var imgSrc = img.src.toLowerCase();
	var index = imgSrc.indexOf(searchString);
	if ( index > 0 )
	{
		img.src = removeString(imgSrc, searchString);
	}
	else
	{
		var ext = imgSrc.substring(imgSrc.length-4, imgSrc.length );
		var leading = imgSrc.substring(0, imgSrc.length-4);
		var trailing = imgSrc.substring(imgSrc.length-4, imgSrc.length);
		img.src = leading + searchString + trailing;
	}
}


var menuItems =
[
['<img src=/images/btn_comunicados.jpg border="0" onmouseover="AlternarImagen(this)" onmouseout="AlternarImagen(this)" alt="Comunicados" />',"/comunicados","","","","_self","0", , , , , ],
['<img src=/images/btn_educacion.jpg border="0" onmouseover="AlternarImagen(this)" onmouseout="AlternarImagen(this)" alt="Programas de Educación" />',"/prog_educ","","","","_self","0", , , , , ],
['<img src=/images/btn_monitoreo.jpg border="0" onmouseover="AlternarImagen(this)" onmouseout="AlternarImagen(this)" alt="Sistema de Monitoreo" />',"/sistema_monitoreo","","","","_self","0", , , , , ],

];