function Visual (obj) 
{
	if (document.getElementById(obj).style.display=='none') 
	{
		document.getElementById(obj).style.display=''; 
	}
	else
		{document.getElementById(obj).style.display='none';}	
	}

function Ver (obj) 
{
	if (document.getElementById(obj).style.display=='none') 
	{
		document.getElementById(obj).style.display=''; 
	}
}

function NoVer (obj) 
{
	if (document.getElementById(obj).style.display=='') 
	{
		document.getElementById(obj).style.display='none'; 
	}
}

function OcultarTodo(num)
{
	for (i=1;i<num;i++) {
		obj = 'seccion'+i;
		NoVer(eval("'"+obj+"'"));
	}
		obj = 'seccion3b';
		NoVer(eval("'"+obj+"'"));
		
		obj = 'seccion10';
		NoVer(eval("'"+obj+"'"));

		obj = 'seccion10b';
		NoVer(eval("'"+obj+"'"));

}