var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
    browserType= "gecko"
}
if(navigator.userAgent.indexOf("Opera")!=-1){
    var versionindex=navigator.userAgent.indexOf("Opera")+6
    if (parseInt(navigator.userAgent.charAt(versionindex))>=8)
        browserType= "gecko";
}

function getElementFromName(name) {
    var div;
    if (browserType == "gecko" ) div = eval('document.getElementById(\'' + name + '\')');
    else if (browserType == "ie") div = eval('document.all[\'' + name + '\']');
    else div = eval('document.layers[\'`' + name + '\']');
    return div;
}

function showLogin(){
    var div = getElementFromName('login_div');
    div.style.visibility = "visible";
    return false;
}

function closeLogin(){
    var div = getElementFromName('login_div');
    div.style.visibility = "hidden";
    return false;
}

function cancelEvent(e) {
    window.event.returnValue = false;
    return false;
}

function addDropHandler() {
    if (browserType != "ie") {
        window.captureEvents(Event.DRAGDROP);
        window.addEventListener("dragdrop", dragDropHandler, true);
    }
}

function dragDropHandler(e) {
    e.stopPropagation();
}


function stylize() {
    SI.Files.stylizeAll();
}

function makeXMLHttpRequest(url, callback_function, return_xml, parameters, post, divId) {
    var http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
        }
        
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
    
    if (!http_request) {
        alert('Browser doesn\'t support Ajax');
        return false;
    }
    http_request.onreadystatechange = function() {
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
                if (return_xml) {
                    eval(callback_function + '("' + divId + '", http_request.responseXML)');
                } else {
                    eval(callback_function + '("' + divId + '", http_request.responseText)');
                }
            } else {
                /*alert('There was a problem with the request.(Code: ' + http_request.status + ')');*/
                eval(callback_function + '(\'Server error!\')');
            }
        }
    }
    if(post) {
        http_request.open('POST', url, true);
        http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
    }
    else http_request.open('GET', url, true);
    
    http_request.send(parameters);
}

function makeHttpRequest(url, callback_function, return_xml, data) {
    var http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
        }
        
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
    
    if (!http_request) {
        return false;
    }
    http_request.onreadystatechange = function() {
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
                if (return_xml) {
                    eval(callback_function + '(http_request.responseXML)');
                } else {
                    eval(callback_function + '(http_request.responseText)');
                }
            } else {
                eval(callback_function + '(\'Server error!\')');
            }
        }
    }
    http_request.open('POST', url, true);
    http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
    http_request.send(data);
}

function ajaxLoadPage(pageurl, divId) {
    return makeXMLHttpRequest(pageurl, 'showPageInDiv', false, null, false, divId);   
}

function showPageInDiv(divId, xml) {
    getElementFromName(divId).innerHTML = xml;    // assign the content to the form
}

function changeCurrency(currency) {
    var url = '../client/setcurrency.do' ;
    var data = 'currency=' + currency + '&next=/client/promodelselector.jsp';
    
    makeHttpRequest(url, 'updateCurrency', false, data);
}

function updateCurrency(xml) {
    getElementFromName('promodelselector').innerHTML = xml;
}

function fixObjects(){
}