// --------------------------------------------------------------------
// Javascript Magnifier v 0.97
// Written by Dino Termini - termini@email.it - May 9, 2003
// This script is freeware (GPL) but if you use it, please let me know!
//
// Portions of code by zoomIN, zoomOUT
// Author: Nguyen Duong Minh (Obie) - obie4web@yahoo.com
// WWW: http://ObieWebsite.SourceForge.net
// License: GNU (GPL)
//
// Portions of code by Webreference Javascript Cookie Functions
// Jupirmedia Corporation
// http://www.internet.com
// --------------------------------------------------------------------
//
// Please refer to DEMO.htm file for details and usage
//
// --------------------------------------------------------------------

// Configuration parameters
// ------------------------
// Measure unit in pixel (px) or points (pt)
// measureUnit = "pt"
measureUnit = "px"

// Minimum size allowed for SIZE attribute (like in <FONT SIZE="1"> )
minSize = 1;

// Minimum size allowed for STYLE attribute (like in <FONT STYLE="font-size: 10px"> )
minStyleSize = 10;

// Maximum size allowed for SIZE attribute
maxSize = 6;

// Maximum size allowed for STYLE attribute
maxStyleSize = 25;

// Start size for tags with no SIZE attribute defined
startSize = 1;

// Start size for tags with no font-size STYLE or CLASS attribute defined
startStyleSize = 10;

// Increasing and decreasing step
stepSize = 1;

// Increasing step for STYLE definition (measure previously declared will be used)
stepStyleSize = 2;

// To set your own hotkeys, use key generator tool page included
// Keys to zooming in (with and without CAPS lock). Default: "+"
var keyin = 61;
var keyinCAPS = 43;

// Keys to zooming out (with and without CAPS lock). Default: "-"
var keyout = 45;
var keyoutCAPS = 95;

// Keys for "hard" zooming in (with and without CAPS lock). Default: ">"
var keyinIe = 46;
var keyinIeCAPS = 62;

// Keys for "hard" zooming out (with and without CAPS lock). Default: "<"
var keyoutIe = 44;
var keyoutIeCAPS = 60;

// "Hard" zoom factor
var zoomFactor = 1.1;

// Max zoom allowed
var maxZoom = 4.096;

// Min zoom allowed
var minZoom = 0.625;

// Initial decrease zoom
var startDecZoom = 0.7;

// Initial increase zoom
var startIncZoom = 1.3;

// Methode de zoom
// 1=zoom navigateur
// 0=zoom texte
var methodOfZoom = 1;

// Cookie expiry (default one year, actually 365 days)
// 365 days in a year
// 24 hours in a day
// 60 minutes in an hour
// 60 seconds in a minute
// 1000 milliseconds in a second
userExpiry = 365 * 24 * 60 * 60 * 1000;

// Enable or disable alert messages
alertEnabled = false;

// Allow input fields resize (text, buttons, and so on)
allowInputResize = false;

// End of configuration parameters. Please do not edit below this line
// --------------------------------------------------------------------------------

// Input values:
// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
    // Check whether cookies enabled
    document.cookie = "Enabled=true";
    var cookieValid = document.cookie;

    // if retrieving the VALUE we just set actually works
    // then we know cookies enabled
    if (cookieValid.indexOf("Enabled=true") != -1) {
        var curCookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");

        document.cookie = curCookie;
        return (true);
    }
    else {
        return (false);
    }
}

// Input value:
// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else
        begin += 2;
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
        end = dc.length;
    return unescape(dc.substring(begin + prefix.length, end));
}

// Input values:
// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

// Input value:
// date - any instance of the Date object
// * hand all instances of the Date object to this function for "repairs"
function fixDate(date) {
    var base = new Date(0);
    var skew = base.getTime();
    if (skew > 0)
        date.setTime(date.getTime() - skew);
}

function searchTags(childTree, level) {
    var retArray = new Array();
    var tmpArray = new Array();
    var j = 0;
    var childName = "";
    for (var i = 0; i < childTree.length; i++) {
        childName = childTree[i].nodeName;
        if (childTree[i].hasChildNodes()) {
            if ((childTree[i].childNodes.length == 1) && (childTree[i].childNodes[0].nodeName == "#text"))
                retArray[j++] = childTree[i];
            else {
                tmpArray = searchTags(childTree[i].childNodes, level + 1);
                for (var k = 0; k < tmpArray.length; k++)
                    retArray[j++] = tmpArray[k];
                retArray[j++] = childTree[i];
            }
        }
        else
            retArray[j++] = childTree[i];
    }
    return (retArray);
}

function changeFontSize(stepSize, stepStyleSize, useCookie) {

    if (document.body) {
        var myObj = searchTags(document.body.childNodes, 0);
        var myCookieSize = parseInt(getCookie("incrSize"));
        var myCookieStyleSize = parseInt(getCookie("incrStyleSize"));
        var myStepSize = stepSize;
        var myStepStyleSize = stepStyleSize;

        var now = new Date();

        // Fix the bug in Navigator 2.0, Macintosh
        fixDate(now);

        if (isNaN(myCookieSize)) myCookieSize = 0;
        if (isNaN(myCookieStyleSize)) myCookieStyleSize = 0;

        // For debug purpose only
        // if (!confirm("COOKIE: SIZE ["+myCookieSize+"] STYLESIZE ["+myCookieStyleSize+"]")) return(0);

        // Check valid increment/decrement sizes or useCookie parameter
        if (useCookie) {
            myStepSize = myCookieSize;
            myStepStyleSize = myCookieStyleSize;
        }

        now.setTime(now.getTime() + userExpiry);

        myObjNumChilds = myObj.length;
        for (i = 0; i < myObjNumChilds; i++) {
            myObjName = myObj[i].nodeName;

            // Only some tags will be parsed
            if (myObjName != "#text" && myObjName != "HTML" &&
          myObjName != "HEAD" && myObjName != "TITLE" &&
          myObjName != "STYLE" && myObjName != "SCRIPT" &&
          myObjName != "BR" && myObjName != "TBODY" &&
          myObjName != "#comment" && myObjName != "FORM") {

                /*if (myObj[i].getAttribute("id") == "zoomplus" || myObj[i].getAttribute("id") == "zoommoins" || myObj[i].getAttribute("id") == "d_id_zoomloupe3" || myObj[i].getAttribute("id") == "d_id_zoomloupe2" || myObj[i].getAttribute("id") == "d_id_zoomloupe1") {
                //alert(myObjName + " - " + myObj[i].getAttribute("id"));
                continue;
                }*/

                //alert(myObjName + " - " + myObj[i].getAttribute("classname") + myObj[i].getAttribute("classname").indexOf('noresize'));
                if ((myObj[i].getAttribute("classname") != null) && (myObj[i].getAttribute("classname") != '') && (myObj[i].getAttribute("classname").indexOf("noresize") >= 0)) {
                    //alert(myObjName + " - " + myObj[i].getAttribute("classname"));
                    continue;
                }

                // Skip INPUT fields, if required
                if (!allowInputResize && myObjName == "INPUT") continue;

                size = parseInt(myObj[i].getAttribute("size"));

                // Internet Explorer uses a different DOM implementation
                if (myObj[i].currentStyle)
                    styleSize = parseInt(myObj[i].currentStyle.fontSize);
                else
                    styleSize = parseInt(window.getComputedStyle(myObj[i], null).fontSize);

                // For debug purpose only. Note: can be very annoying
                // if (!confirm("TAG ["+myObjName+"] SIZE ["+size+"] STYLESIZE ["+styleSize+"]")) return(0);
                if (myObj[i].getAttribute("id") == "d_id_top_accroche") {
                    //alert(myObj[i].currentStyle.fontSize + " - size:" + size + " - styleSize:" + styleSize);
                    //alert(" - size:" + size + " - styleSize:" + styleSize);
                    /*if (document.getElementById(myObj[i].getAttribute("id")) != null) {
                    var _elt = document.getElementById(myObj[i].getAttribute("id"));                        
                    alert("ii"+_elt.currentStyle.fontSize);
                    }*/
                }
                if (isNaN(size) || (size < minSize) || (size > maxSize))
                    size = startSize;



                if (isNaN(styleSize))
                    styleSize = startStyleSize;
                if (styleSize < minStyleSize)
                    styleSize = minStyleSize;
                if (styleSize > maxStyleSize)
                    styleSize = maxStyleSize;

                if (((size > minSize) && (size < maxSize)) ||
             ((size == minSize) && (stepSize > 0)) ||
             ((size == maxSize) && (stepSize < 0)) || useCookie) {
                    myObj[i].setAttribute("size", size + myStepSize);
                }

                if (((styleSize > minStyleSize) && (styleSize < maxStyleSize)) ||
             ((styleSize == minStyleSize) && (stepStyleSize > 0)) ||
             ((styleSize == maxStyleSize) && (stepStyleSize < 0)) || useCookie) {
                    newStyleSize = styleSize + myStepStyleSize;
                    //alert('old:' + styleSize + ' ## new:' + newStyleSize);
                    myObj[i].style.fontSize = newStyleSize + measureUnit;
                }
            } // End if condition ("only some tags")
        } // End main for cycle

        // Set the cookies
        if (!useCookie) {
            cookieIsSet = setCookie("incrSize", myStepSize + myCookieSize, now);
            cookieIsSet = setCookie("incrStyleSize", myStepStyleSize + myCookieStyleSize, now);
            if (alertEnabled && !cookieIsSet) {
                alert("Les cookies doivent être activés.");
            }
        }

    } // End if condition ("document.body exists")
} // End function declaration

//function changeFontSizeSAVE(stepSize, stepStyleSize, useCookie) {

//    if (document.body) {
//        var myObj = searchTags(document.body.childNodes, 0);
//        var myCookieSize = parseInt(getCookie("incrSize"));
//        var myCookieStyleSize = parseInt(getCookie("incrStyleSize"));
//        var myStepSize = stepSize;
//        var myStepStyleSize = stepStyleSize;

//        var now = new Date();

//        // Fix the bug in Navigator 2.0, Macintosh
//        fixDate(now);

//        if (isNaN(myCookieSize)) myCookieSize = 0;
//        if (isNaN(myCookieStyleSize)) myCookieStyleSize = 0;

//        // For debug purpose only
//        // if (!confirm("COOKIE: SIZE ["+myCookieSize+"] STYLESIZE ["+myCookieStyleSize+"]")) return(0);

//        // Check valid increment/decrement sizes or useCookie parameter
//        if (useCookie) {
//            myStepSize = myCookieSize;
//            myStepStyleSize = myCookieStyleSize;
//        }

//        now.setTime(now.getTime() + userExpiry);

//        myObjNumChilds = myObj.length;
//        for (i = 0; i < myObjNumChilds; i++) {
//            myObjName = myObj[i].nodeName;

//            // Only some tags will be parsed
//            if (myObjName != "#text" && myObjName != "HTML" &&
//          myObjName != "HEAD" && myObjName != "TITLE" &&
//          myObjName != "STYLE" && myObjName != "SCRIPT" &&
//          myObjName != "BR" && myObjName != "TBODY" &&
//          myObjName != "#comment" && myObjName != "FORM") {

//                /*if (myObj[i].getAttribute("id") == "zoomplus" || myObj[i].getAttribute("id") == "zoommoins" || myObj[i].getAttribute("id") == "d_id_zoomloupe3" || myObj[i].getAttribute("id") == "d_id_zoomloupe2" || myObj[i].getAttribute("id") == "d_id_zoomloupe1") {
//                //alert(myObjName + " - " + myObj[i].getAttribute("id"));
//                continue;
//                }*/

//                //alert(myObjName + " - " + myObj[i].getAttribute("classname") + myObj[i].getAttribute("classname").indexOf('noresize'));
//                if ((myObj[i].getAttribute("classname") != null) && (myObj[i].getAttribute("classname") != '') && (myObj[i].getAttribute("classname").indexOf("noresize") >= 0)) {
//                    //alert(myObjName + " - " + myObj[i].getAttribute("classname"));
//                    continue;
//                }

//                // Skip INPUT fields, if required
//                if (!allowInputResize && myObjName == "INPUT") continue;

//                size = parseInt(myObj[i].getAttribute("size"));

//                // Internet Explorer uses a different DOM implementation
//                if (myObj[i].currentStyle)
//                    styleSize = parseInt(myObj[i].currentStyle.fontSize);
//                else
//                    styleSize = parseInt(window.getComputedStyle(myObj[i], null).fontSize);

//                // For debug purpose only. Note: can be very annoying
//                // if (!confirm("TAG ["+myObjName+"] SIZE ["+size+"] STYLESIZE ["+styleSize+"]")) return(0);
//                if (myObj[i].getAttribute("id") == "d_id_top_accroche") {
//                    //alert(myObj[i].currentStyle.fontSize + " - size:" + size + " - styleSize:" + styleSize);
//                    //alert(" - size:" + size + " - styleSize:" + styleSize);
//                    /*if (document.getElementById(myObj[i].getAttribute("id")) != null) {
//                    var _elt = document.getElementById(myObj[i].getAttribute("id"));                        
//                    alert("ii"+_elt.currentStyle.fontSize);
//                    }*/
//                }
//                if (isNaN(size) || (size < minSize) || (size > maxSize))
//                    size = startSize;



//                if (isNaN(styleSize)/* || (styleSize < minStyleSize) || (styleSize > maxStyleSize)*/)
//                    styleSize = startStyleSize;

//                if (((size > minSize) && (size < maxSize)) ||
//             ((size == minSize) && (stepSize > 0)) ||
//             ((size == maxSize) && (stepSize < 0)) || useCookie) {
//                    myObj[i].setAttribute("size", size + myStepSize);
//                }

//                if (((styleSize > minStyleSize) && (styleSize < maxStyleSize)) ||
//             ((styleSize == minStyleSize) && (stepStyleSize > 0)) ||
//             ((styleSize == maxStyleSize) && (stepStyleSize < 0)) || useCookie) {
//                    newStyleSize = styleSize + myStepStyleSize;
//                    //alert('old:' + styleSize + ' ## new:' + newStyleSize);
//                    myObj[i].style.fontSize = newStyleSize + measureUnit;
//                }
//            } // End if condition ("only some tags")
//        } // End main for cycle

//        // Set the cookies
//        if (!useCookie) {
//            cookieIsSet = setCookie("incrSize", myStepSize + myCookieSize, now);
//            cookieIsSet = setCookie("incrStyleSize", myStepStyleSize + myCookieStyleSize, now);
//            if (alertEnabled && !cookieIsSet) {
//                alert("Les cookies doivent être activés.");
//            }
//        }

//    } // End if condition ("document.body exists")
//} // End function declaration


function increaseFontSize() {
    //PCE
    if (methodOfZoom == 1) {
        zoomin();
    }
    else {
        if (document.body) {
            changeFontSize(stepSize, stepStyleSize, false);
        }
        else {
            if (alertEnabled) {
                alert("Fonction non supportée par le navigateur.");
            }
        }
    }
}

function decreaseFontSize() {
    //PCE
    if (methodOfZoom == 1) {
        zoomout();
    }
    else {
        if (document.body) {
            myStepSize = -stepSize;
            myStepStyleSize = -stepStyleSize;
            changeFontSize(myStepSize, myStepStyleSize, false);
        }
        else {
            if (alertEnabled) {
                alert("Fonction non supportée par le navigateur.");
            }
        }
    }
}

function zoomin() {
    if ($.browser.mozilla) {
        if (alertEnabled) {
            alert("this is mozilla!");
        }
        var v_zoom = document.body.style.MozTransform.replace("scale(", "").replace(")", "")
        if (document.body.style.MozTransform == null || v_zoom < maxZoom) {
            if (v_zoom > 0) {
                document.body.style.MozTransform = "scale(" + v_zoom * zoomFactor + ")";
            }
            else {
                document.body.style.MozTransform = "scale(" + startIncZoom + ")";
            }
        }
        else {
            if (alertEnabled) {
                alert("Warning: Max size reached");
            }
        }
    }
    else {
        if (window.parent.document.body.style.zoom < maxZoom) {
            if (window.parent.document.body.style.zoom > 0) {
                window.parent.document.body.style.zoom *= zoomFactor;
            }
            else {
                window.parent.document.body.style.zoom = startIncZoom;
            }
        }
        else {
            if (alertEnabled) {
                alert("Warning: Max size reached");
            }
        }
    }
}

function zoomout() {
    if ($.browser.mozilla) {
        if (alertEnabled) {
            alert("this is mozilla!");
        }
        var v_zoom = document.body.style.MozTransform.replace("scale(", "").replace(")", "")
        if (document.body.style.MozTransform == null || v_zoom > minZoom) {
            if (v_zoom > 0) {
                document.body.style.MozTransform = "scale(" + v_zoom / zoomFactor + ")";
            }
            else {
                document.body.style.MozTransform = "scale(" + startDecZoom + ")";
            }
        }
        else {
            if (alertEnabled) {
                alert("Warning: Max size reached");
            }
        }
    }
    else {
        if ((window.parent.document.body.style.zoom > minZoom) ||
       (window.parent.document.body.style.zoom == 0)) {
            if (window.parent.document.body.style.zoom > 0) {
                window.parent.document.body.style.zoom /= zoomFactor;
            }
            else {
                window.parent.document.body.style.zoom = startDecZoom;
            }
        }
        else {
            if (alertEnabled) {
                alert("Warning: Min size reached");
            }
        }
    }
}

function checkzoom(e) {

    if (document.all) {
        myEvent = event.keyCode;
    }
    else {
        myEvent = e.which;
    }

    switch (myEvent) {
        //        case keyinIe: 
        //        case keyinIeCAPS: 
        //            zoomin(); 
        //            break; 

        //        case keyoutIe: 
        //        case keyoutIeCAPS: 
        //            zoomout(); 
        //            break; 

        //        case keyin: 
        //        case keyinCAPS: 
        //            zoomin(); 
        //            //increaseFontSize(); 
        //            break; 

        //        case keyout: 
        //        case keyoutCAPS: 
        //            zoomout(); 
        //            //decreaseFontSize(); 
        //            break; 

        default:
            break;
    }
}

if (document.layers) {
    //document.captureEvents(Event.KEYPRESS);
}

//document.onkeypress = checkzoom;