// Авторы: Буравлев А.С. / Матвеев И.В.
// Код реализующий функции "плавающего" окна
// код для MSIE4 и выше

DHTMLcart.checkonscroll=function()
{
    for (var i = 1; i <= document.numObj; i++)
    {
                obj = document.all[document.objArray[i]].DHTMLcart;

                diffY = document.body.scrollTop;
                diffX = document.body.scrollLeft;
                curX  = obj.rootDocHead.style.pixelLeft;
                curY  = obj.rootDocHead.style.pixelTop;

                targetX = obj.left + diffX;
                targetY = obj.top  + diffY;

                if (curX != targetX)
            {
                    curHorShift = (targetX - curX);
                curHorShift = (curHorShift > 0) ? Math.ceil(curHorShift):Math.floor(curHorShift);

                        obj.rootDocHead.style.pixelLeft += curHorShift;
                obj.rootDocObj.style.pixelLeft  += curHorShift;
                }

                if (curY != targetY)
            {
                    curVertShift = (targetY - curY);
                curVertShift = (curVertShift > 0) ? Math.ceil(curVertShift):Math.floor(curVertShift);

                        obj.rootDocHead.style.pixelTop += curVertShift;
                obj.rootDocObj.style.pixelTop  += curVertShift;
                }
    }
}

// мышь над заголовком объекта
function DHTMLcartOnMouseOver()
{
    var obj                 = this.DHTMLcart;
    window.draggedDHTMLcart = obj;
    obj.oldonmousedown      = document.onmousedown;
    window.onmousedown      = DHTMLcartDrag;

    window.captureEvents(Event.MOUSEDOWN);
    return false;
}

// мышь съехала с заголовка объекта
function DHTMLcartOnMouseOut()
{
    var obj                 = this.DHTMLcart;
    window.draggedDHTMLcart = null;
    window.onmousedown      = obj.oldonmousedown;

    window.releaseEvents(Event.MOUSEDOWN);

    return false;
}

function DHTMLcartMove(e)
{
    var obj = document.draggedDHTMLcart;
    var curX;
    var curY;

        if(event.button == 0)
    {
            DHTMLcartDrop();
        return true;
        }

    curX     = event.clientX - obj.dragXOffset;
    curY     = event.clientY - obj.dragYOffset
    obj.left = curX;
    obj.top  = curY;

        obj.rootDocObj.style.visibility = "hidden";

        obj.rootDocHead.style.pixelLeft = curX + document.body.scrollLeft;
    obj.rootDocHead.style.pixelTop  = curY + document.body.scrollTop;
    obj.rootDocObj.style.pixelLeft  = curX + document.body.scrollLeft;
    obj.rootDocObj.style.pixelTop   = curY + obj.headerHeight + document.body.scrollTop;

        event.returnValue = false;
    return false;
}

function DHTMLcartDrop()
{
    var obj = document.draggedDHTMLcart;

        obj.rootDocObj.style.visibility = "visible";

        document.onmousemove = obj.oldonmousemove;
    document.onmouseup   = obj.oldonmouseup;

    document.draggedDHTMLcart = null;
    return true;
}

function DHTMLcartDrag(e)
{
    var obj;

        obj = this.DHTMLcart;

        obj.dragXOffset = event.clientX - obj.left;
    obj.dragYOffset = event.clientY - obj.top;

        obj.oldonmousemove = document.onmousemove;
    obj.oldonmouseup   = document.onmouseup;

        document.onmousemove = DHTMLcartMove;
    document.onmouseup   = DHTMLcartDrop;

    document.draggedDHTMLcart = obj;
    return true;
}

// Функция, сохраняющая статические координаты объекта
function DHTMLcartHoldPosition(objname)
{
    var diffX, diffY, targetX, targetY, curHorShift, curVertShift, curX, curY, obj;
    var percent = 0.1;

    if(document.draggedDHTMLcart != null)
    {
               this.holdFunc = setTimeout("DHTMLcartHoldPosition('"+objname+"')", 1);
        return false;
    }

        obj = document.all[objname].DHTMLcart;

        if (obj.rootDocObj.style.pixelWidth != obj.width)
    {
            obj.rootDocObj.style.pixelWidth  = obj.width;
        obj.rootDocHead.style.pixelWidth = obj.width;
        }
    if (obj.rootDocObj.style.pixelHeight != obj.height)
    {
            obj.rootDocObj.style.pixelHeight  = obj.height;
        obj.rootDocHead.style.pixelHeight = obj.height;
        }
        if (obj.srcChanged)
        {
            obj.srcChanged     = false;
                obj.rootDocObj.src = obj.src;
        }

        diffY = document.body.scrollTop;
    diffX = document.body.scrollLeft;

        curX  = obj.rootDocHead.style.pixelLeft;
    curY  = obj.rootDocHead.style.pixelTop;

        targetX = obj.left + diffX;
    targetY = obj.top  + diffY;

        if (curX != targetX)
    {
            curHorShift = (targetX - curX);
        curHorShift = (curHorShift > 0) ? Math.ceil(curHorShift):Math.floor(curHorShift);

                obj.rootDocHead.style.pixelLeft += curHorShift;
        obj.rootDocObj.style.pixelLeft  += curHorShift;
        }

        if (curY != targetY)
    {
            curVertShift = (targetY - curY);
        curVertShift = (curVertShift > 0) ? Math.ceil(curVertShift):Math.floor(curVertShift);

                obj.rootDocHead.style.pixelTop += curVertShift;
        obj.rootDocObj.style.pixelTop  += curVertShift;
        }
}

// Параметры по умолчанию
DHTMLcart.id           = "DHTMLcartObj"; // идентификатор объекта
DHTMLcart.visible      = true;           // видимость
DHTMLcart.left         = 0;              // x-координата левого верхнего угла
DHTMLcart.top          = 0;              // y-координата левого верхнего угла
DHTMLcart.width        = 50;             // ширина
DHTMLcart.height       = 50;             // высота
DHTMLcart.headerHeight = 22;             // высота заголовка
DHTMLcart.headerHTML   = "None";
DHTMLcart.src          = "card.html";    // документ отображаемый в элементе
DHTMLcart.scroll       = false;
DHTMLcart.scrolling    = "no";
DHTMLcart.addmsieparam = "";
DHTMLcart.addmsiestyle = "";

// Установка координаты Х
function DHTMLcartSetLeft(left)
{
        left = parseInt(left);
        if(this.left != left)
                this.left = left;

        this.holdFunc = setTimeout("DHTMLcartHoldPosition('"+this.id+"')", 1);
};

// Установка координаты Y
function DHTMLcartSetTop(top)
{
        top = parseInt(top);
        if(this.top != top)
            this.top = top;

        this.holdFunc = setTimeout("DHTMLcartHoldPosition('"+this.id+"')", 1);
};

// Установка ширины
function DHTMLcartSetWidth(width)
{
        width = parseInt(width);
    if (this.width != width)
            this.width = width;

        this.holdFunc = setTimeout("DHTMLcartHoldPosition('"+this.id+"')", 1);
};

// Установка высоты
function DHTMLcartSetHeight(height)
{
        height = parseInt(height);
    if (this.height != height)
            this.height = height;

        this.holdFunc = setTimeout("DHTMLcartHoldPosition('"+this.id+"')", 1);
};

// Замена документа, содержащегося в DHTMLcart
function DHTMLcartSetSrc(src)
{
    if(this.src != src)
    {
        this.srcChanged = true;
        this.src        = src;
    }

        this.holdFunc = setTimeout("DHTMLcartHoldPosition('"+this.id+"')", 1);

    return true;
};

// Изменение видимости
function DHTMLcartSetVisibility(vis)
{
    if(vis)
    {
        this.visible = true;
                this.rootDocObj.style.visibility  = "visible";
        this.rootDocHead.style.visibility = "visible";
    }
    else
    {
        this.visible = false;
             this.rootDocObj.style.visibility  = "hidden";
        this.rootDocHead.style.visibility = "hidden";
    }
};

//конструктор
function DHTMLcart(definition)
{
    var HTMLstr;

    this.id = DHTMLcart.id;
    if(definition)
    {
        this.id           = (definition.id)           ? definition.id           : DHTMLcart.id;
        this.visible      =  definition.visible;
        this.left         = (definition.left)         ? definition.left         : DHTMLcart.left;
        this.top          = (definition.top)          ? definition.top          : DHTMLcart.top;
        this.width        = (definition.width)        ? definition.width        : DHTMLcart.width;
        this.height       = (definition.height)       ? definition.height       : DHTMLcart.height;
        this.src          = (definition.src)          ? definition.src          : DHTMLcart.src;
        this.headerHeight = (definition.headerHeight) ? definition.headerHeight : DHTMLcart.headerHeight;
        this.headerHTML   = (definition.headerHTML)   ? definition.headerHTML   : DHTMLcart.headerHTML;
        this.scrolling    = (definition.scrolling)    ? definition.scrolling    : DHTMLcart.scrolling;
        this.addmsieparam = (definition.addmsieparam) ? definition.addmsieparam : DHTMLcart.addmsieparam;
        this.addmsiestyle = (definition.addmsiestyle) ? definition.addmsiestyle : DHTMLcart.addmsiestyle;
    }
    else
    {
        this.id           = DHTMLcart.id;
        this.visible      = DHTMLcart.visible;
        this.left         = DHTMLcart.left;
        this.top          = DHTMLcart.top;
        this.width        = DHTMLcart.width;
        this.height       = DHTMLcart.height;
        this.src          = DHTMLcart.src;
        this.headerHeight = DHTMLcart.headerHeight;
        this.headerHTML   = DHTMLcart.headerHTML;
        this.scrolling    = DHTMLcart.scrolling;
        this.addmsieparam = DHTMLcart.addmsieparam;
        this.addmsiestyle = DHTMLcart.addmsiestyle;
    }

        HTMLstr =  '<DIV  ID="'+this.id+'_header"  CLASS="dhtmlCartHead" STYLE="position:absolute;overflow:clip;z-index:10;';
    HTMLstr += 'left:'+this.left+';top:'+this.top+';';
    HTMLstr += 'height:'+this.headerHeight + ';width:'+this.width+';'

        if(this.visible)
            HTMLstr += 'visibility:show;">';
        else
            HTMLstr += 'visibility:hidden;">';

        HTMLstr += this.headerHTML;
    HTMLstr += '</DIV>\n';
    HTMLstr += '<IFRAME ID="' +this.id + '"  SRC="' +this.src + '" '+ this.addmsieparam + ' ';
    HTMLstr += 'HEIGHT="' + (this.height-this.headerHeight) + '" WIDTH="'+this.width+'" SCROLLING="' + this.scrolling + '" ';
    HTMLstr += 'STYLE="position:absolute;'+ this.addmsiestyle + ' left:'+this.left+';top:'+(this.top+this.headerHeight)+';height:'+(this.height-this.headerHeight)+'; width:'+this.width+';';

        if(this.visible)
            HTMLstr += 'visibility:show;">';
        else
            HTMLstr += 'visibility:hidden;">';
        HTMLstr+='</IFRAME>\n';

    document.write(HTMLstr);
    document.draggedDHTMLcart = null;

        this.rootDocObj   = document.all[this.id];
    this.rootDocFrame = document.frames[this.id];
    this.rootDocHead  = document.all[this.id+'_header'];

        this.rootDocHead.onmousedown = DHTMLcartDrag;

    this.rootDocHead.DHTMLcart = this;
    this.rootDocObj.DHTMLcart  = this;
    this.setLeft               = DHTMLcartSetLeft;
    this.setTop                = DHTMLcartSetTop;
    this.setWidth              = DHTMLcartSetWidth;
    this.setHeight             = DHTMLcartSetHeight;
    this.setSrc                = DHTMLcartSetSrc;
    this.setVisibility         = DHTMLcartSetVisibility;

        if (definition.scroll)
    {
            if (typeof document.objArray == 'undefined' || document.objArray == null)
        {
                document.objArray = new Array();
            document.numObj   = 0;
                }
        document.numObj += 1;
        document.objArray[document.numObj] = this.id;

            window.onscroll = DHTMLcart.checkonscroll;
        }

    return this;
}


document.write('<STYLE  TYPE="text/css">');
document.write(' .dhtmlCartHead {cursor:hand;}');
document.write('</STYLE>');