function imgzoomer(imgobj, canvas_width, canvas_height) {
    var obj = imgobj;
    var src_width = getimagewidth(obj);
    var src_height = getimageheight(obj);
    var widthscale = src_width / canvas_width;
    var heightscale = src_height / canvas_height;
    if (widthscale >= 1 || heightscale >= 1) {
        if (widthscale < heightscale) {
            obj.width = src_width / heightscale;
            obj.height = canvas_height;
        } else {
            obj.width = canvas_width;
            obj.height = src_height / widthscale;
        }
    } else {
        obj.width = src_width;
        obj.height = src_height;
    }
};
function getimagewidth(oimage) {
    var originimage = new image();
    originimage.src = oimage.src;
    return originimage.width;
};
function getimageheight(oimage) {
    var originimage = new image();
    originimage.src = oimage.src;
    return originimage.height;
};
function imageviewer(obj, dir) {
    buildimageviewer(obj, {
        showtype: 'direct'
    });
};
function buildimageviewer(obj, option) {
    if (!$.fn.ospodviewer) {
        $.ajax({
            type: "get",
            cache: true,
            url: _contextpath + "/ec/lib/plugins/viewer/viewer.js",
            datatype: "script",
            success: function() {
                $(obj).ospodviewer(option);
            }
        });
    } else {
        $(obj).ospodviewer(option);
    }
};
function marquee(elm, width, height, spd, type, wspace) {
    if (arguments.length < 1) {
        alert(i18n.marqueeidempty);
        return false;
    };
    var element = elm;
    var scrollwidth = width ? width: 800;
    var scrollheight = height ? height: 200;
    scrollwidth = parseint(scrollwidth);
    scrollheight = parseint(scrollheight);
    var scrollwspace = wspace ? wspace: 5;
    var scrolltype = type ? type: 3;
    var speed = spd ? spd: 30;
    var scrolltext = new array();
    var obj1 = document.getelementbyid(element);
    if (!obj1) {
        alert(i18n.marqueeillegalparameter);
        return false;
    };
    obj1.style.height = scrollheight + 'px';
    obj1.style.width = scrollwidth + 'px';
    obj1.style.border = '0px solid #000';
    var obj2 = document.createelement("div");
    obj2.id = element + 'obj2';
    var obj3 = document.createelement("div");
    obj3.id = element + "obj3";
    obj2.style.border = '0px solid #000';
    var objtab = document.createelement('table');
    var objtr = document.createelement('tr');
    var objtd = document.createelement('td');
    objtd.innerhtml = obj1.innerhtml;
    obj1.innerhtml = "";
    objtab.style.display = "inline";
    objtab.cellpadding = "0";
    objtab.cellspacing = "0";
    objtab.id = element + 'tab';
    objtab.style.border = "0px solid #ff0000";
    objtd.style.whitespace = "nowrap";
    objtr.appendchild(objtd);
    objtab.appendchild(objtr);
    obj2.innerhtml = objtab.outerhtml;
    obj1.appendchild(obj2);
    obj1.appendchild(obj3);
    obj3.style.width = obj2.style.width = scrollwidth + 'px';
    if (scrolltype == 1 || scrolltype == 2) {
        if (obj2.offsetheight < scrollheight) {
            var tabheight = scrollheight - obj2.offsetheight;
            var tabmarginleft = (obj2.offsetwidth > scrollwidth) ? scrollwidth: (obj2.offsetwidth + scrollwidth) / 2;
            if (tabheight < 0) {
                tabheight = 0;
            } else {
                obj2.innerhtml += "<table border=0 style='border:0px solid #ff0000;margin-left:" + tabmarginleft + "px;' cellpadding='0' cellspacing='0'><tr><td style='height:" + tabheight + "px;' nowrap></td></tr></table>";
            }
        }
    };
    document.write("<style type=\"text/css\">#" + element + "{overflow:hidden;width:" + scrollwidth + "px;}; #" + element + " #" + obj2.id + ",#" + element + " #" + obj3.id + "{padding:0px !important;padding:0px;margin:0px !important;margin:0px;float:none;}; #" + obj2.id + " img,#" + obj3.id + " img{margin-right:" + scrollwspace + "px;};</style>");
    if (scrolltype == 3 || scrolltype == 4) {
        obj1.style.whitespace = "nowrap";
        obj2.style.display = ospod.browser.ischrome ? "inline-table": "inline";
        var tabwidth = scrollwidth - obj2.offsetwidth;
        var tabmargintop = (obj2.offsetheight > scrollheight) ? scrollheight: (obj2.offsetheight + scrollheight) / 2;
        if (tabwidth < 0) {
            tabwidth = 0;
        } else {
            obj2.innerhtml += "<table border=0 style='display:inline;margin-top:" + tabmargintop + "px;' cellpadding='0' cellspacing='0'><tr><td style='width:" + tabwidth + "px;' nowrap></td></tr></table>";
        }
    };
    obj3.innerhtml = obj2.innerhtml;
    marquee.prototype.marqueescrolltop = function(element, scrolltype, scrollwidth, scrollheight, speed) {
        var obj1 = document.getelementbyid(element);
        var obj2 = document.getelementbyid(element + "obj2");
        var obj3 = document.getelementbyid(element + "obj3");
        if (obj2.offsetheight > scrollheight) if (obj3.offsettop - obj1.scrolltop <= 0) {
            obj1.scrolltop -= obj3.offsettop;
        } else {
            var oldscrolltop = obj1.scrolltop;
            obj1.scrolltop++;
            if (oldscrolltop == obj1.scrolltop) {
                obj1.scrolltop = 0;
            }
        } else {
            if (scrollheight - obj1.scrolltop <= 0) {
                obj1.scrolltop -= scrollheight;
            } else {
                obj1.scrolltop++;
            }
        }
    };
    marquee.prototype.marqueescrolldown = function(element, scrolltype, scrollwidth, scrollheight, speed) {
        var obj1 = document.getelementbyid(element);
        var obj2 = document.getelementbyid(element + "obj2");
        var obj3 = document.getelementbyid(element + "obj3");
        if (document.all) {
            if (obj2.offsettop - obj1.scrolltop >= 0) {
                obj1.scrolltop += obj3.offsetheight;
            } else {
                obj1.scrolltop--;
            }
        } else {
            if (obj2.offsettop - obj1.scrolltop - obj2.offsettop >= 0) {
                obj1.scrolltop += obj3.offsetheight;
            } else {
                obj1.scrolltop--;
            }
        }
    };
    marquee.prototype.marqueescrollleft = function(element, scrolltype, scrollwidth, scrollheight, speed) {
        var obj1 = document.getelementbyid(element);
        var obj2 = document.getelementbyid(element + "obj2");
        var obj3 = document.getelementbyid(element + "obj3");
        if (obj3.offsetwidth - obj1.scrollleft <= 0) {
            obj1.scrollleft -= obj2.offsetwidth;
        } else {
            obj1.scrollleft++;
        }
    };
    marquee.prototype.marqueescrollright = function(element, scrolltype, scrollwidth, scrollheight, speed) {
        var obj1 = document.getelementbyid(element);
        var obj2 = document.getelementbyid(element + "obj2");
        var obj3 = document.getelementbyid(element + "obj3");
        if (obj1.scrollleft <= 0) {
            obj1.scrollleft += obj3.offsetwidth;
        } else {
            obj1.scrollleft--;
        }
    };
    var count;
    marquee.prototype.marqueestart = function(element, scrolltype, scrollwidth, scrollheight, speed) {
        switch (scrolltype) {
            case 1:
                if (marquee.prototype.scrolltopordown(element, scrolltype, scrollwidth, scrollheight, speed)) {
                    marquee.prototype.clearinterval(element);
                    count = window.setinterval(marquee.prototype.marqueescrolltop.bind(this, element, scrolltype, scrollwidth, scrollheight, speed), speed);
                    marqueeinterval[element] = count;
                };
                break;
            case 2:
                if (marquee.prototype.scrolltopordown(element, scrolltype, scrollwidth, scrollheight, speed)) {
                    marquee.prototype.clearinterval(element);
                    count = window.setinterval(marquee.prototype.marqueescrolldown.bind(this, element, scrolltype, scrollwidth, scrollheight, speed), speed);
                    marqueeinterval[element] = count;
                };
                break;
            case 3:
                marquee.prototype.scrollleftorright(element, scrolltype, scrollwidth, scrollheight, speed);
                marquee.prototype.clearinterval(element);
                count = window.setinterval(marquee.prototype.marqueescrollleft.bind(this, element, scrolltype, scrollwidth, scrollheight, speed), speed);
                marqueeinterval[element] = count;
                break;
            case 4:
                marquee.prototype.scrollleftorright(element, scrolltype, scrollwidth, scrollheight, speed);
                marquee.prototype.clearinterval(element);
                count = window.setinterval(marquee.prototype.marqueescrollright.bind(this, element, scrolltype, scrollwidth, scrollheight, speed), speed);
                marqueeinterval[element] = count;
                break;
        }
    };
    marquee.prototype.scrollleftorright = function(element, scrolltype, scrollwidth, scrollheight, speed) {
        var obj3 = document.getelementbyid(element + "obj3");
        obj3.style.display = ospod.browser.ischrome ? "inline-table": "inline";
    };
    marquee.prototype.scrolltopordown = function(element, scrolltype, scrollwidth, scrollheight, speed) {
        var obj2 = document.getelementbyid(element + "obj2");
        if (scrollwidth - obj2.offsetwidth < 0) {
            return true;
        } else {
            obj2.style.display = "block";
            return true;
        }
    };
    marquee.prototype.clearinterval = function(element) {
        var interval;
        for (var key in marqueeinterval) {
            if (key == element) {
                interval = marqueeinterval[key];
                break;
            }
        };
        window.clearinterval(interval);
    };
    obj1.onmouseover = function() {
        marquee.prototype.clearinterval(element);
    };
    obj1.onmouseout = function() {
        marquee.prototype.marqueestart(element, scrolltype, scrollwidth, scrollheight, speed);
    };
    marquee.prototype.marqueestart(element, scrolltype, scrollwidth, scrollheight, speed);
};
var marqueeinterval = new object();
function addfavorite(surl, stitle)
{
    try { window.external.addfavorite(surl, stitle); }
    catch (e)
    {
        try { window.sidebar.addpanel(stitle, surl, ""); }
        catch (e) {
            alert("加入收藏失败，请使用ctrl+d进行添加");
        }
    }
}