// $Id: veil.js,v 1.9 2009-06-16 23:26:06 peter Exp $

function veilOn() {
    document.getElementById('veil').style.height=document.body.parentNode.scrollHeight+'px';
    document.getElementById('veil').style.zIndex=3;
    document.getElementById('rego_form').style.zIndex=4;
    document.getElementById('main_div').style.opacity=.3;
    var txt="";
    var cw = document.getElementById('content-wrap');
    for (k in cw) {
        txt += k + "=" + cw[k]+"\n";
    }
    var blurb = document.getElementById('blurb');
    //    blurb.innerHTML = txt;
    document.getElementById('rego_form').style.top = (30 + cw.offsetTop) + "px";
    document.getElementById('rego_form').style.left = "60px";
    return false;
}

function veilOff() {
    document.getElementById('veil').style.zIndex=0;
    document.getElementById('rego_form').style.zIndex=0;
    document.getElementById('main_div').style.opacity=1;
    return false;
}


var debug = false;

function handle_json() {
    if (http_request.readyState == 4) {
        //        alert("readyState = " + http_request.readyState);
        if (http_request.status == 200) {
            var json_data = http_request.responseText; 
            if (debug) {
                alert("received: " + json_data);
            }
            try {
                eval("var result = ("+json_data+")");
                if (result.header && result.header.command) {
                    if (result.header.command=="veiled_register") {
                        if (result.header.status=="OK") {
                            if (debug) {
                                alert("OK!!");
                            }
                            thankYouBaby(result.header.command);
                            veilOff();
                        }
                        else {
                            ;
                            // error message
                        }
                    }   
                    else if (result.header.command=="register") {
                       if (result.header.status=="OK") {
                           var host = document.location.host;
                           var protocol = document.location.protocol; // also gives you a colon
                           document.location = protocol + "//" + host + "/" + result.header.next + '.htm';
                           thankYouBaby(result.header.command);
                       }
                    }
                    else if (result.header.command=="contact") {
                       if (result.header.status=="OK") {
                            thankYouBaby(result.header.command);
                        }
                    }
                    else if (result.header.command=="bulletin") {
                       if (result.header.status=="OK") {
                            thankYouBaby(result.header.command);
                        }
                    }
                 }
            } catch(e) { alert("Broken! - " + e);} //XXX Remove the alert
               
        } else {
            alert('There was a problem with the URL: ' + http_request.status);
        }
        http_request = null;
        normalCursor();
    }

}

// sendRequest
// -----------
//
// Send a HTTP request.  
//
// Parameters
//      method - "GET" or "Post"
//      url - The URL
//      args - arguments for the URL in the format "name=value&anothername=othervalue&so=on"
//             null if no arguments to be passed
//
// Returns false
//
var ie_http_requests = [ "MSXML2.XMLHTTP.5.0",
                         "MSXML2.XMLHTTP.4.0",
                         "MSXML2.XMLHTTP.3.0",
                         "MSXML2.XMLHTTP",
                         "Microsoft.XMLHTTP" ];
                             
function sendRequest(method, url, args) {
    var isIE = false;

    waitCursor();
    if (debug) {
	    alert("sendRequest("+method+", "+url+", " + args + ")");
	}
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) { // IE
        ifIE = true;
        for (var i=0; i<ie_http_requests.length; ++i) {
	        try {
                http_request = new ActiveXObject(ie_http_requests[i]);
    	    } catch (e) { }
        }
    }

    // Execute an action on the server and receive the JSON data
    http_request.onreadystatechange = handle_json;
    var host = document.location.host;
    var protocol = document.location.protocol; // also gives you a colon
    var fullUrl = protocol + "//" + host + url;
 
    http_request.open(method, fullUrl, true);
    if (method == "POST") {
        http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    }
    else if (method == "GET") {
        if (isIE) { // Stop IE caching GETs. This was an issue back in IE3 and still is.
            http_request.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
        }
    }
    http_request.send(args);
    
    return false;
}

function selectedValue(select) {
    var ret="";
    if (select) {
        var ind = select.selectedIndex;
        if (ind >= 0) {
            if (select.options) {
                ret = select.options[selectedIndex];
            }
        }
    }
    return ret;
}
 
function doRegister() {
    var surname=document.contact_form.surname.value;
    var firstname=document.contact_form.firstname.value;
    var email=document.contact_form.email.value;
    var telephone=document.contact_form.telephone.value;
    var company=document.contact_form.company.value;
    var country=document.contact_form.country.value;
    var occupation=document.contact_form.occupation.value;
    var comments=document.contact_form.comments.value;
    var promotionsOK=false;
    var cmd=document.contact_form.page.value;
    var next=document.contact_form.next.value;
    var cgi_script = "/cgi-bin/contact.pl";
    var host = document.location.host;

    if (document.contact_form.promotionsOK.checked) {
        promotionsOK=document.contact_form.promotionsOK.checked;
    }
    else if (document.contact_form.promotionsOK) {
        promotionsOK=document.contact_form.promotionsOK.value;
    }

    // The pressures of deadlines and poor infrastructure make me feel 
    // ashamed of this XXX
    if (host.indexOf('bluetoad')>=0) {
        cgi_script = "/cgi-bin/breezway/contact.pl";
    }
    //    if (bCancel) {
    //        self.close(); //TODO Fix for firefox
    //    }
    //    else {
    var f="surname="+surname+"&"+"firstname="+firstname+"&"+"email="+email+"&"+"telephone="+telephone+"&"+"promotionsOK="+promotionsOK+"&"+"occupation="+occupation+"&"+"country="+country+"&"+"company="+company+"&"+"cmd="+cmd+"&"+"next="+next+"&"+"comments="+comments;

    
    sendRequest("POST", cgi_script, f);
        //    }

    return false;
}

function doCancel() {
    var next=document.contact_form.next.value;
    var host = document.location.host;
    var protocol = document.location.protocol; // also gives you a colon
    document.location = protocol + "//" + host + "/" + next + '.htm';
    return false;
}

function thankYouBaby(cmd) {
    if (cmd == "contact") {
        window.open('/thankyou_contact.htm', 'thanks', 'width=400,height=100,,statusbar=no,toolbar=no,scollbars=no,bookmarks=no');
    }
    else if (cmd == "register") {
        window.open('/thankyou_register.htm', 'thanks', 'width=400,height=100,,statusbar=no,toolbar=no,scollbars=no,bookmarks=no');
    }
    else if (cmd == "bulletin") {
        window.open('/thankyou_bulletin.htm', 'thanks', 'width=400,height=100,,statusbar=no,toolbar=no,scollbars=no,bookmarks=no');
    }
    else if (cmd == "veiled_register") {
        window.open('/thankyou_register.htm', 'thanks', 'width=400,height=100,,statusbar=no,toolbar=no,scollbars=no,bookmarks=no');
    }
}

function waitCursor() {
    document.body.style.cursor='wait';
}

function normalCursor() {
    document.body.style.cursor='auto';
}