var msgwidth = 399;
function attachimg(obj, action) {
    if (action == 'load') {
        if (obj.width > msgwidth) {
            obj.resized = true;
            obj.width = msgwidth;
            obj.style.cursor = 'pointer';
        } else {
            //obj.onclick = null;
            obj.style.cursor = 'pointer';
        }
    } else if (action == 'mouseover') {
        if (obj.resized) {
            obj.style.cursor = 'pointer';
        }
    }
}

function attachimginfo(obj, infoobj, show, event) {
    objinfo = fetchOffset(obj);
    if (show) {
        $(infoobj).style.left = objinfo['left'] + 'px';
        $(infoobj).style.top = obj.offsetHeight < 40 ? (objinfo['top'] + obj.offsetHeight) + 'px' : objinfo['top'] + 'px';
        $(infoobj).style.display = '';
    } else {
        if (is_ie) {
            $(infoobj).style.display = 'none';
            return;
        } else {
            var mousex = document.body.scrollLeft + event.clientX;
            var mousey = document.documentElement.scrollTop + event.clientY;
            if (mousex < objinfo['left'] || mousex > objinfo['left'] + objinfo['width'] || mousey < objinfo['top'] || mousey > objinfo['top'] + objinfo['height']) {
                $(infoobj).style.display = 'none';
            }
        }
    }
}

function copycode(obj) {
    if (is_ie && obj.style.display != 'none') {
        var rng = document.body.createTextRange();
        rng.moveToElementText(obj);
        rng.scrollIntoView();
        rng.select();
        rng.execCommand("Copy");
        rng.collapse(false);
    }
}

function signature(obj) {
    if (obj.style.maxHeightIE != '') {
        var height = (obj.scrollHeight > parseInt(obj.style.maxHeightIE)) ? obj.style.maxHeightIE : obj.scrollHeight;
        if (obj.innerHTML.indexOf('<IMG ') == -1) {
            obj.style.maxHeightIE = '';
        }
        return height;
    }
}

function fastreply(subject, postnum) {
    if ($('postform')) {

        $('postform').subject.value = subject.replace(/#/, $(postnum).innerHTML.replace(/<[\/\!]*?[^<>]*?>/ig, ''));
        $('postform').message.focus();
    }
}

function tagshow(event) {
    var obj = is_ie ? event.srcElement : event.target;
    obj.id = !obj.id ? 'tag_' + Math.random() : obj.id;
    ajaxmenu(event, obj.id, 0, '', 1, 3, 0);
    obj.onclick = null;
}

var zoomobj = Array(); var zoomadjust; var zoomstatus = 1;

function zoom(obj, zimg) {
    if (!zoomstatus) {
        window.open(zimg, '', '');
        return;
    }
    if (!zimg) {
        zimg = obj.src;
    }

    if (is_ie) {
        if (!$('zoomimglayer_bg_fr')) {
            var bgFObj = document.createElement("iframe");
            bgFObj.setAttribute('id', 'zoomimglayer_bg_fr');
            bgFObj.style.position = 'absolute';
            bgFObj.style.left = bgFObj.style.top = '0px';
            bgFObj.style.width = document.body.scrollWidth + 'px';
            bgFObj.style.height = parseInt(document.body.scrollHeight + 150) + 'px';
            bgFObj.style.backgroundColor = '#000';
            bgFObj.style.display = 'none';
            bgFObj.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=25,finishOpacity=48,style=3)';
            bgFObj.style.opacity = 0.6;
            bgFObj.style.zIndex = "100";
            $('append_parent').appendChild(bgFObj);
        }
    }

    if (!$('zoomimglayer_bg')) {
        div = document.createElement('div');
        div.id = 'zoomimglayer_bg';
        div.style.position = 'absolute';
        div.style.left = div.style.top = '0px';
        div.style.width = document.body.scrollWidth + 'px';
        div.style.height = parseInt(document.body.scrollHeight + 150) + 'px';
        div.style.backgroundColor = '#000';
        div.style.display = 'none';
        div.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=25,finishOpacity=48,style=3)';
        div.style.opacity = 0.6;
        div.style.zIndex = "100";
        $('append_parent').appendChild(div);
        div = document.createElement('div');
        div.id = 'zoomimglayer';
        div.style.position = 'absolute';
        div.className = 'popupmenu_popup';
        div.style.padding = 0;
        $('append_parent').appendChild(div);
    }
    zoomobj['srcinfo'] = fetchOffset(obj);
    zoomobj['srcobj'] = obj;
    zoomobj['zimg'] = zimg;
    $('zoomimglayer').style.display = '';
    $('zoomimglayer').style.left = zoomobj['srcinfo']['left'] + 'px';
    $('zoomimglayer').style.top = zoomobj['srcinfo']['top'] + 'px';
    $('zoomimglayer').style.width = zoomobj['srcobj'].width + 'px';
    $('zoomimglayer').style.height = parseInt(zoomobj['srcobj'].height - 32) + 'px';
    $('zoomimglayer').style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=40,finishOpacity=100,style=0)';
    $('zoomimglayer').style.opacity = 0.4;
    $('zoomimglayer').style.zIndex = 999;
    $('zoomimglayer').innerHTML = '<table width="100%" height="100%" cellspacing="0" cellpadding="0"><tr><td align="center" valign="middle"><img src="../images/loading.gif"></td></tr></table><div style="position:absolute;top:-100000px;visibility:hidden"><img onload="zoomimgresize(this)" src="' + zoomobj['zimg'] + '"></div>';
}

var zoomdragstart = new Array();
var zoomclick = 0;
function zoomdrag(e, op) {
    if (op == 1) {
        zoomclick = 1;
        zoomdragstart = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
        zoomdragstart[2] = parseInt($('zoomimglayer').style.left);
        zoomdragstart[3] = parseInt($('zoomimglayer').style.top);
        doane(e);
    } else if (op == 2 && zoomdragstart[0]) {
        zoomclick = 0;
        var zoomdragnow = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
        $('zoomimglayer').style.left = (zoomdragstart[2] + zoomdragnow[0] - zoomdragstart[0]) + 'px';
        $('zoomimglayer').style.top = (zoomdragstart[3] + zoomdragnow[1] - zoomdragstart[1]) + 'px';
        doane(e);
    } else if (op == 3) {
        if (zoomclick) zoomclose();
        zoomdragstart = [];
        doane(e);
    }
}

function zoomST(c) {
    if ($('zoomimglayer').style.display == '') {
        $('zoomimglayer').style.left = (parseInt($('zoomimglayer').style.left) + zoomobj['x']) + 'px';
        $('zoomimglayer').style.top = (parseInt($('zoomimglayer').style.top) + zoomobj['y']) + 'px';
        $('zoomimglayer').style.width = (parseInt($('zoomimglayer').style.width) + zoomobj['w']) + 'px';
        $('zoomimglayer').style.height = (parseInt($('zoomimglayer').style.height) + zoomobj['h']) + 'px';
        var opacity = c * 20;
        $('zoomimglayer').style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ',finishOpacity=100,style=0)';
        $('zoomimglayer').style.opacity = opacity / 100;
        c++;
        if (c <= 5) {
            setTimeout('zoomST(' + c + ')', 5);
        } else {
            zoomadjust = 1;
            $('zoomimglayer').style.filter = '';
            $('zoomimglayer_bg').style.display = '';
            if (is_ie) {
                $('zoomimglayer_bg_fr').style.display = '';
            }
            $('zoomimglayer').innerHTML = '<table cellspacing="0" cellpadding="2"><tr><td style="text-align: right">resize by scroll wheel <a href="#" onclick="zoomimgadjust(event, 1)"><img src="../images/resize.gif" border="0" style="vertical-align: middle" title="original size" /></a> <a href="#" onclick="zoomclose()"><img style="vertical-align: middle;border-width:0px;" src="../images/close.gif" title="close" /></a>&nbsp;</td></tr><tr><td align="center" id="zoomimgbox"><img id="zoomimg" style="cursor: move; margin: 5px;" src="' + zoomobj['zimg'] + '" width="' + $('zoomimglayer').style.width + '" height="' + $('zoomimglayer').style.height + '"></td></tr></table>';
            $('zoomimglayer').style.overflow = 'visible';
            $('zoomimglayer').style.width = $('zoomimglayer').style.height = 'auto';
            if (is_ie) {
                $('zoomimglayer').onmousewheel = zoomimgadjust;
            } else {
                $('zoomimglayer').addEventListener("DOMMouseScroll", zoomimgadjust, false);
            }
            $('zoomimgbox').onmousedown = function(event) { try { zoomdrag(event, 1); } catch (e) { } };
            $('zoomimgbox').onmousemove = function(event) { try { zoomdrag(event, 2); } catch (e) { } };
            $('zoomimgbox').onmouseup = function(event) { try { zoomdrag(event, 3); } catch (e) { } };
        }
    }
}

function zoomimgresize(obj) {
    zoomobj['zimginfo'] = [obj.width, obj.height];
    var r = obj.width / obj.height;
    var w = document.body.clientWidth * 0.95;
    w = obj.width > w ? w : obj.width;
    var h = w / r;
    var clientHeight = document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
    var scrollTop = document.body.scrollTop ? document.body.scrollTop : document.documentElement.scrollTop;
    if (h > clientHeight) {
        h = clientHeight;
        w = h * r;
    }
    var l = (document.body.clientWidth - w) / 2;
    var t = h < clientHeight ? (clientHeight - h) / 2 : 0;
    t += +scrollTop;
    zoomobj['x'] = (l - zoomobj['srcinfo']['left']) / 5;
    zoomobj['y'] = (t - zoomobj['srcinfo']['top']) / 5;
    zoomobj['w'] = (w - zoomobj['srcobj'].width) / 5;
    zoomobj['h'] = (h - zoomobj['srcobj'].height) / 5;
    $('zoomimglayer').style.filter = '';
    $('zoomimglayer').innerHTML = '';
    setTimeout('zoomST(1)', 5);
}

function zoomimgadjust(e, a) {
    if (!a) {
        if (!e) e = window.event;
        if (e.altKey || e.shiftKey || e.ctrlKey) return;
        var l = parseInt($('zoomimglayer').style.left);
        var t = parseInt($('zoomimglayer').style.top);
        if (e.wheelDelta <= 0 || e.detail > 0) {
            if ($('zoomimg').width <= 200 || $('zoomimg').height <= 200) {
                doane(e); return;
            }
            $('zoomimg').width -= zoomobj['zimginfo'][0] / 10;
            $('zoomimg').height -= zoomobj['zimginfo'][1] / 10;
            l += zoomobj['zimginfo'][0] / 20;
            t += zoomobj['zimginfo'][1] / 20;
        } else {
            if ($('zoomimg').width >= zoomobj['zimginfo'][0]) {
                zoomimgadjust(e, 1); return;
            }
            $('zoomimg').width += zoomobj['zimginfo'][0] / 10;
            $('zoomimg').height += zoomobj['zimginfo'][1] / 10;
            l -= zoomobj['zimginfo'][0] / 20;
            t -= zoomobj['zimginfo'][1] / 20;
        }
    } else {
        var clientHeight = document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
        var scrollTop = document.body.scrollTop ? document.body.scrollTop : document.documentElement.scrollTop;
        $('zoomimg').width = zoomobj['zimginfo'][0]; $('zoomimg').height = zoomobj['zimginfo'][1];
        var l = (document.body.clientWidth - $('zoomimg').clientWidth) / 2; l = l > 0 ? l : 0;
        var t = (clientHeight - $('zoomimg').clientHeight) / 2 + scrollTop; t = t > 0 ? t : 0;
    }
    $('zoomimglayer').style.left = l + 'px';
    $('zoomimglayer').style.top = t + 'px';
    $('zoomimglayer_bg').style.height = t + $('zoomimglayer').clientHeight > $('zoomimglayer_bg').clientHeight ? (t + $('zoomimglayer').clientHeight) + 'px' : $('zoomimglayer_bg').style.height;
    if (is_ie) {
        $('zoomimglayer_bg_fr').style.height = t + $('zoomimglayer').clientHeight > $('zoomimglayer_bg_fr').clientHeight ? (t + $('zoomimglayer').clientHeight) + 'px' : $('zoomimglayer_bg_fr').style.height;
    }
    doane(e);
}

function zoomclose() {
    $('zoomimglayer').innerHTML = '';
    $('zoomimglayer').style.display = 'none';
    $('zoomimglayer_bg').style.display = 'none';
    if (is_ie) {
        $('zoomimglayer_bg_fr').style.display = 'none';
    }
}