// Clientes
function LimpiaUsuario(elem){ if( elem.value==elem.defaultValue ) elem.value = ''}
function RestauraUsuario(elem){ if( elem.value=='' ) elem.value = elem.defaultValue}
function LimpiaClave(elem){ if( elem.value==elem.defaultValue ) elem.value = ''}
function RestauraClave(elem){ if( elem.value=='' ) elem.value = elem.defaultValue}

// Cambia color caja
function fcolor1_over(celda){ 
   celda.style.background="#eeeeee url(imagenes/bgpuntos.gif) repeat-x bottom" ;
} 
function fcolor1_out(celda){ 
   celda.style.background="#fafafa url(imagenes/bgpuntos.gif) repeat-x bottom"; 
}

// Cambia color caja
function fcolor2_over(celda){ 
   celda.style.background="#EBF2FA" ;
} 
function fcolor2_out(celda){ 
   celda.style.background="#EBEBF3"; 
}