function ezshopad(positionid) {
    this.id = positionid;
    this.adid = 0;
    this.adtype = "";
    this.adname = "";
    this.adcontent = "";
    this.paddingleft = 0;
    this.paddingtop = 0;
    this.width = 0;
    this.height = 0;
    this.ishitcount = "y";
    this.scroll = "n";
    this.uploadfilepath = "";
    this.url = "";
    this.siteid = 0;
    this.showad = showadcontent;
    this.start = dostart;
}

var delta = 0.08
var zcmsad_collection = [];

function showadcontent() {
    var content = this.adcontent;
    var str = "";
    var align = "";
    var x = "";
    var y = "";
    var ad = eval('(' + content + ')');
    if (this.adtype == "image") {
        for (var i = 0; i < ad.images.length; i++) {
            str = "";
            align = "";
            if (i % 2 == 0) {
                x = this.paddingleft;
                align = "right";
            } else {
                x = "document.documentelement.clientwidth-" + (this.paddingleft + this.width);
                align = "left";
            }
            y = this.paddingtop;
            str += "<div id='zcmsad_" + this.adid + "_" + i + "' style='left:" + x + "px;top:" + y + "px;width:" + this.width + "px; height:" + this.height + "px; position: absolute;z-index:888888;'>";
            str += "<a href='" + this.url + "?siteid=" + this.siteid + "&adid=" + this.adid + "&url=" + ad.images[i].imgadlinkurl + "' target='" + ((ad.imgadlinktarget == "_self") ? "_self" : "_blank") + "'>";
            str += "<img title='" + ad.images[i].imgadalt + "' src='" + this.uploadfilepath + ad.images[i].imgpath + "' width='" + this.width + "' height='" + this.height + "' onerror=\"this.src='/ahwykj/res/images/nofile.jpg'\"  style='border:0px;'>";
            str += "</a>";
            str += "<div style='text-align:" + align + "'><a href='#' class='aclose' onclick='javascript:document.getelementbyid(\"zcmsad_" + this.adid + "_" + i + "\").style.display=\"none\"'>关闭</a></div>";
            str += "</div>";
            document.write(str);
            additem("zcmsad_" + this.adid + "_" + i, x, y);
        }
    } else if (this.adtype == "flash") {
    document.write("&nbsp;");
        for (var i = 0; i < ad.images.length; i++) {
            str = "";
            align = "";
            if (i % 2 == 0) {
                x = this.paddingleft;
                align = "right";
            } else {
                x = "document.documentelement.clientwidth-" + (this.paddingleft + this.width);
                align = "left";
            }
            y = this.paddingtop;
            str += "<div id='zcmsad_" + this.adid + "_" + i + "' style='left:" + x + "px;top:" + y + "px;width:" + this.width + "px; height:" + this.height + "px; position: absolute;z-index:888888;'>";
            str += "<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' width='" + this.width + "' height='" + this.height + "' id='flashad_" + this.adid + "'>";
            str += "<param name='movie' value='" + this.uploadfilepath + ad.images[i].imgpath + "' />";
            str += "<param name='quality' value='high' />";
            str += "<param name='wmode' value='transparent'/>";
            str += "<param name='swfversion' value='8.0.35.0' />";
            str += "<embed wmode='transparent' src='" + this.uploadfilepath + ad.images[i].imgpath + "' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='" + this.width + "' height='" + this.height + "'></embed>";
            str += "</object>";
            str += "<div style='text-align:" + align + "'><a href='#;' class='aclose' onclick='javascript:document.getelementbyid(\"zcmsad_" + this.adid + "_" + i + "\").style.display=\"none\"'>关闭</a></div>";
            str += "</div>";
            document.write(str);
            additem("zcmsad_" + this.adid + "_" + i, x, y);
        }
    }
}

function additem(id, x, y) {

    var newitem = {};
    newitem.object = document.getelementbyid(id);
    newitem.x = x;
    newitem.y = y;

    zcmsad_collection[zcmsad_collection.length] = newitem;
}

function dostart(scroll) {
    var le = 0;
    var he = 0;
    for (var i = 0; i < zcmsad_collection.length; i++) {
        he = 0;
        var followobj_x = (typeof (zcmsad_collection[i].x) == 'string' ? eval(zcmsad_collection[i].x) : zcmsad_collection[i].x);
        var followobj_y = (typeof (zcmsad_collection[i].y) == 'string' ? eval(zcmsad_collection[i].y) : zcmsad_collection[i].y);
        le = le + followobj_x;
        he = he + followobj_y;
    }
    zcmsad_collection[zcmsad_collection.length-1].object.style.left = le + "px";
    zcmsad_collection[zcmsad_collection.length-1].object.style.top = he + "px";
    setinterval("play(\"" + scroll + "\")", 10);
}

function play(scroll) {
    for (var i = 0; i < zcmsad_collection.length; i++) {
        var followobj = zcmsad_collection[i].object;
        var followobj_x = (typeof (zcmsad_collection[i].x) == 'string' ? eval(zcmsad_collection[i].x) : zcmsad_collection[i].x);
        var followobj_y = (typeof (zcmsad_collection[i].y) == 'string' ? eval(zcmsad_collection[i].y) : zcmsad_collection[i].y);
        if (followobj.offsetleft != (document.documentelement.scrollleft + followobj_x)) {
            var dx = (document.documentelement.scrollleft + followobj_x - followobj.offsetleft) * delta;
            dx = (dx > 0 ? 1 : -1) * math.ceil(math.abs(dx));
            followobj.style.left = (followobj.offsetleft + dx) + "px";
        } else {
            if (scroll == "n") {
                continue;
            }
        }
        if (followobj.offsettop != (document.documentelement.scrolltop + followobj_y)) {
            var dy = (document.documentelement.scrolltop + followobj_y - followobj.offsettop) * delta;
            dy = (dy > 0 ? 1 : -1) * math.ceil(math.abs(dy));
            followobj.style.top = (followobj.offsettop + dy) + "px";
        }
    }
}