var ffresults = {

    // copyright 2008 FreeFind.com - authorized for use with the FreeFind service only

    // Start of config settings

    autoPos: true, 		// automatic initial window position / size. 

    // if autoPos if false, the following four numbers are used as initial window position and size

    initialX: 78, 		// left position (pixels)
    initialY: 66, 		// right position (pixels)
    initialH: 395, 		// height of window
    initialW: 622, 		// width of window

    // choose a number for z-index that is high enough so the results window appears above other windows on your page

    initialZ: 10000000,    // initial z-index of the results window

    // the following value controls the color of the window's drag bar (top area of window)

    barColor: 'navy',

    // end of config settings

    element: undefined,
    cover: undefined,
    mouseDownX: 0,
    mouseDownY: 0,
    objectX: 0,
    objectY: 0,
    objectH: 0,
    objectW: 0,
    ipos: false,
    resize: false,

    sizeImageUrl: 'http://search.freefind.com/img/rsize.gif',

    selectFunc: undefined,
    selectState: undefined,
    mozSelect: undefined,

    noSelect: function() {
        var obj = document.body;

        ffresults.selectFunc = obj.onselectstart;
        ffresults.selectState = obj.unselectable;
        ffresults.mozSelect = obj.style.MozUserSelect;

        obj.onselectstart = function() { return false; };
        obj.unselectable = 'on';
        obj.style.MozUserSelect = 'none';
    },

    restoreSelect: function() {
        var obj = document.body;

        obj.onselectstart = ffresults.selectFunc;
        obj.unselectable = ffresults.selectState;
        obj.style.MozUserSelect = ffresults.mozSelect;
    },


    drag: function(e, size) {
        if (!document.getElementById) return;

        if (!e) e = window.event;
        var targ = e.target || e.srcElement;
        ffresults.resize = size;

        if (targ.id != 'ffresult_bar' && targ.id != 'ffresult_szimg') return true;
        ffresults.noSelect();

        ffresults.element = document.getElementById('ffresult_win');
        ffresults.objectX = parseInt(ffresults.element.style.left, 10);
        ffresults.objectY = parseInt(ffresults.element.style.top, 10);
        ffresults.objectH = parseInt(ffresults.element.style.height, 10);
        ffresults.objectW = parseInt(ffresults.element.style.width, 10);

        ffresults.cover = document.getElementById('ffresult_cvr');
        ffresults.cover.style.zIndex = '40';
        ffresults.mouseDownX = e.clientX;
        ffresults.mouseDownY = e.clientY;
        if (e.preventDefault) e.preventDefault();
        e.returnValue = false;
        e.cancelBubble = true;
        ffresults.attach(document, "mouseup", ffresults.drop);
        ffresults.attach(document, "mousemove", ffresults.move);
    },




    attach: function(to, eventname, func) {
        if (to.addEventListener)
            to.addEventListener(eventname, func, false);
        else
            to.attachEvent("on" + eventname, func);
    },

    detach: function(to, eventname, func) {
        if (to.removeEventListener)
            to.removeEventListener(eventname, func, false);
        else
            to.detachEvent("on" + eventname, func);
    },

    drop: function(e) {
        ffresults.detach(document, "mouseup", ffresults.drop);
        ffresults.detach(document, "mousemove", ffresults.move);
        ffresults.cover.style.zIndex = 0;
        ffresults.element = null;
        ffresults.restoreSelect();
    },

    move: function(e) {
        if (!e) e = window.event;

        e.returnValue = false;
        e.cancelBubble = true;
        if (e.preventDefault) e.preventDefault();

        var x = e.clientX;
        var y = e.clientY;

        if (ffresults.resize) {
            var winW = ffresults.objectW + x - ffresults.mouseDownX;
            var winH = ffresults.objectH + y - ffresults.mouseDownY;

            if (winH < 128) winH = 128;
            if (winW < 128) winW = 128;

            ffresults.element.style.width = winW + "px";
            ffresults.element.style.height = winH + "px";
        }
        else {
            var left = ffresults.objectX + x - ffresults.mouseDownX;
            var top = ffresults.objectY + y - ffresults.mouseDownY;

            ffresults.element.style.left = left + "px";
            ffresults.element.style.top = top + "px";
        }


    },

    hide: function() {
        var rStyle = document.getElementById('ffresult_win').style;
        rStyle.display = "none";
        rStyle.zIndex = 0;
        var ifr = document.getElementById('ffresult_ifr');
        if (ifr) ifr.src = "";
        var szImg = document.getElementById('ffresult_szimg');
        if (szImg) szImg.src = "";

    },


    show: function(num) {
        if (!document.getElementById) return;

        var searchForm = document.getElementById('ffresult_sbox' + num);
        var idxLink = document.getElementById('ffresult_idx' + num);
        var smpLink = document.getElementById('ffresult_smp' + num);
        var advLink = document.getElementById('ffresult_adv' + num);

        if (searchForm) searchForm.target = 'ffresult_frame';
        if (idxLink) idxLink.target = 'ffresult_frame';
        if (smpLink) smpLink.target = 'ffresult_frame';
        if (advLink) advLink.target = 'ffresult_frame';

        var rDiv = document.getElementById('ffresult_win');

        if (!ffresults.ipos) {
            if (ffresults.autoPos) {
                ffresults.computePos(rDiv);
            }
            else {
                rDiv.style.top = ffresults.initialY + 'px';
                rDiv.style.left = ffresults.initialX + 'px';
                rDiv.style.width = ffresults.initialW + 'px';
                rDiv.style.height = (ffresults.initialH - 36) + 'px';
            }
            ffresults.ipos = true;
        }

        var szImg = document.getElementById('ffresult_szimg');
        if (szImg) szImg.src = ffresults.sizeImageUrl;

        var dragBar = document.getElementById('ffresult_bar');
        if (dragBar) {
            dragBar.style.backgroundColor = ffresults.barColor;
            dragBar.style.borderColor = ffresults.barColor;
        }

        rDiv.style.zIndex = ffresults.initialZ;
        rDiv.style.display = "block";
    },



    computePos: function(rDiv) {

        var view = ffresults.viewSize();
        var w = parseInt(view.width * 0.75, 10);
        var h = parseInt(view.height * 0.75, 10);
        if (w < 220) w = 220;
        if (h < 220) h = 220;


        var left = parseInt((view.width - w) / 2, 10);
        var top = parseInt((view.height - (h + 36)) / 2, 10);


        if (left < 0) left = 0;
        if (top < 0) top = 0;

        rDiv.style.top = (top + view.scrollY) + 'px';
        rDiv.style.left = (left + view.scrollX) + 'px';
        rDiv.style.width = w + 'px';
        rDiv.style.height = h + 'px';

    },

    viewSize: function() {
        var w = 0;
        var h = 0;
        var sx = 0;
        var sy = 0;

        if (window.innerWidth) {  // non-ie
            w = window.innerWidth;
            h = window.innerHeight;
            sx = window.pageXOffset;
            sy = window.pageYOffset;
        }
        else {
            var elem;
            if (document.documentElement && document.documentElement.clientWidth != 0) {   // ie strict
                elem = document.documentElement;
            }
            else {	// ie quirks
                elem = document.body;
            }
            w = elem.clientWidth;
            h = elem.clientHeight;
            sx = elem.scrollLeft;
            sy = elem.scrollTop;

        }


        return { width: w, height: h, scrollX: sx, scrollY: sy };

    }


};