function escribirEncabezado()
{

obtenerPath()

document.write("<th colspan='4' valign='top' scope='col' "
+" bordercolor='#333333' height='171'>"
+"<img border='0' src='"
+ obtenerPath()
+ "Principal/Images/barra_cabezal_arriba.gif' width='856'"
+" height='26'><img border='0' src='"
+ obtenerPath()
+"Principal/Images/cabezalmiramar2.jpg' width='856'"
+ " height='158'></th></tr><tr><th colspan='4' valign='top' scope='col'"
+ " bordercolor='#333333' height='22' bordercolorlight='#333333'"
+" bordercolordark='#333333' bgcolor='#000000'>"
+" <i><font face='Arial' color='#FFFFFF'>www.</font></i><font color='#FF0000'"
+" face='Arial'>miramarmisiones</font><i><font face='Arial' color='#FFFFFF'>"
+" .org</font></i></th>")
}

function obtenerPath()
{
    var path = document.location.toString().toLowerCase()
    
    var indice_principal = path.indexOf("sitioweb")
    
    var largo_string
    var i
    var locacion_relativa = ""
        
    largo_string = path.length
    
    
    i = indice_principal + 9
    while(i <= largo_string)
    {
        
        if(path.charAt(i) == '/')
        {
        
            locacion_relativa = locacion_relativa + "../"
        }
        i++
    }    
    return locacion_relativa        
}