function Abre_Companias() {
    window.open('Companias.aspx', 'Companias', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=750,height=650,top=0,left=0');
}		

function Abre_Chilena() 
{	
    window.open('http://www.chilenaconsolidada.cl/newsite/SOAP/Soap_2009_chilena.htm','SOAP','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=750,height=650,top=0,left=0');
}