function jsBuscar(nSeccion) {
    var cBuscar = document.getElementById("txtBuscar").value;
    if(cBuscar == "Search...")
        cBuscar = "";
    if(cBuscar.length > 2){
        if(nSeccion == 0)
            location.href = "/articles/file.aspx?text=" + cBuscar;
        else
            location.href = "/articles/file.aspx?section=" + nSeccion + "&text=" + cBuscar;
    }	
    else
        oToolTip.raiseToolTip('toolTipBuscar', 'The search phrase should contain<br /> at least 3 characters length.', true, 250, 45);                   
}