function validate_quote(){
    
    var alarm_type = get_selected_value(frm_quote.alarmtype);
    if (alarm_type == null) {
        alert("Please select an alarm type");
        return false;
    }
    var standard_window = trim(document.frm_quote.standard_window.value);
    var bay_window = trim(document.frm_quote.bay_window.value);
    var front_door = trim(document.frm_quote.front_door.value);
    var back_door = trim(document.frm_quote.back_door.value);
    var patio_door = trim(document.frm_quote.patio_door.value);
    var french_door = trim(document.frm_quote.french_door.value);
    var motion_sensor = trim(document.frm_quote.motion_sensor.value);
    
    if (trim(standard_window)=="" && trim(bay_window)=="" && trim(front_door)=="" && trim(back_door)=="" && trim(patio_door)=="" && trim(french_door)=="" && trim(motion_sensor)=="" ) {
        alert("Please enter some values");
        document.frm_quote.standard_window.focus();
        return false;
    }
    var contact_email = trim(document.frm_quote.contact_email.value);
    if (trim(contact_email) == "") {
        alert("Please enter your email address");
        document.frm_quote.contact_email.focus();
        return false;
    }
}
function trim(str){
    return str.replace(/^\s+|\s+$/g, '') ;
}

function get_selected_value(rdoButton) {
    var j = -1;
    for (var i=rdoButton.length-1;i>-1;i--) {
        if (rdoButton[i].checked) {
                j=i; i=-1;
        }
    }
    if (j > -1){
        return rdoButton[j].value;
    }else{
        return null;
    }
}