/*
广告js
cole modify:04/21/09
*/
var timespan = navigator.useragent.indexof("firefox") > 0 ? 15 : 10;
var adconfig = false;
var n = 0;
var h = 0;
var sh = 0;
var st = 0;
function addevent(obj, eventtype, func)
{
if (obj.addeventlistener)
{
obj.addeventlistener(eventtype, func, false);
}
else if (obj.attachevent)
{
obj.attachevent("on" + eventtype, func);
}
}
function adconfiginit()
{
adconfig = new object();
adconfig.left = 0;
adconfig.top = 0;
adconfig.width = 0;
adconfig.height = 0;
adconfig.scroll = function()
{
if (document.documentelement && document.documentelement.scrollleft)
{
adconfig.left = document.documentelement.scrollleft;
}
else if (document.body)
{
adconfig.left = document.body.scrollleft;
}
if (document.documentelement && document.documentelement.scrolltop)
{
adconfig.top = document.documentelement.scrolltop;
}
else if (document.body)
{
adconfig.top = document.body.scrolltop;
}
}
adconfig.resize = function()
{
if (document.documentelement && document.documentelement.clientheight && document.body && document.body.clientheight)
{
adconfig.width = (document.documentelement.clientwidth > document.body.clientwidth) ? document.documentelement.clientwidth : document.body.clientwidth;
adconfig.height = (document.documentelement.clientheight > document.body.clientheight) ? document.documentelement.clientheight : document.body.clientheight;
}
else if (document.documentelement && document.documentelement.clientheight)
{
adconfig.width = document.documentelement.clientwidth;
adconfig.height = document.documentelement.clientheight;
}
else if (document.body)
{
adconfig.width = document.body.clientwidth;
adconfig.height = document.body.clientheight;
}
}
adconfig.scroll();
adconfig.resize();
addevent(window, "scroll", adconfig.scroll);
addevent(window, "resize", adconfig.resize);
}
/*弹出窗口*/
function adpopup(id, title, content, width, height, autoclosed)
{
if (!adconfig)
adconfiginit();
var popup = window.open("about:blank", "", "width=" + width + ", height=" + height);
popup.document.write("");
popup.document.title = title;
popup.document.body.innerhtml = content;
popup.document.body.style.cursor = "pointer";
popup.document.body.style.overflow = "hidden";
if (autoclosed)
{
popup.document.body.onclick = function()
{
popup.window.close();
}
}
}
/*浮动广告*/
function adfly(id, title, content, left, top, width, height, autoclosed)
{
if (!adconfig)
adconfiginit();
id = "adver_" + id;
document.writeln("" + content + "");
var obj = document.getelementbyid(id);
obj.style.cursor = "pointer";
obj.style.position = "absolute";
obj.style.overflow = "hidden";
obj.style.left = left + "px";
obj.style.top = top + "px";
obj.style.width = width + "px";
obj.style.height = height + "px";
var directx = 1;
var directy = 1;
obj.move = function()
{
if (left + width >= adconfig.left + adconfig.width)
{
left = adconfig.left + adconfig.width - width;
directx = -1;
}
else if (left <= adconfig.left)
{
left = adconfig.left;
directx = 1;
}
if (top + height >= adconfig.top + adconfig.height)
{
top = adconfig.top + adconfig.height - height;
directy = -1;
}
else if (top <= adconfig.top)
{
top = adconfig.top;
directy = 1;
}
left += directx;
top += directy;
obj.style.left = left + "px";
obj.style.top = top + "px";
}
var interval = window.setinterval(obj.move, timespan);
obj.onmouseover = function()
{
window.clearinterval(interval);
}
obj.onmouseout = function()
{
interval = window.setinterval(obj.move, timespan);
}
if (autoclosed)
{
obj.onclick = function()
{
window.clearinterval(interval);
obj.style.display = "none";
}
}
}
/*左侧门帘*/
function adlefthang(id, title, content, left, top, width, height, autoclosed)
{
if (!adconfig)
adconfiginit();
id = "adver_" + id;
document.writeln("" + content + "");
var obj = document.getelementbyid(id);
obj.style.cursor = "pointer";
obj.style.position = "absolute";
obj.style.overflow = "hidden";
obj.style.left = left + "px";
obj.style.top = top + "px";
obj.style.width = width + "px";
obj.style.height = height + "px";
obj.move = function()
{
var t = parseint(obj.style.top, 10);
if (t + 5 < adconfig.top + top)
{
obj.style.top = (t + 5) + "px";
}
else if (t - 5 > adconfig.top + top)
{
obj.style.top = (t - 5) + "px";
}
}
var interval = window.setinterval(obj.move, timespan);
if (autoclosed)
{
obj.onclick = function()
{
window.clearinterval(interval);
obj.style.display = "none";
}
}
}
/*右侧门帘*/
function adrighthang(id, title, content, left, top, width, height, autoclosed)
{
if (!adconfig)
adconfiginit();
id = "adver_" + id;
document.writeln("" + content + "");
var obj = document.getelementbyid(id);
obj.style.cursor = "pointer";
obj.style.position = "absolute";
obj.style.overflow = "hidden";
obj.style.right = left + "px";
obj.style.top = top + "px";
obj.style.width = width + "px";
obj.style.height = height + "px";
obj.move = function()
{
var t = parseint(obj.style.top, 10);
if (t + 5 < adconfig.top + top)
{
obj.style.top = (t + 5) + "px";
}
else if (t - 5 > adconfig.top + top)
{
obj.style.top = (t - 5) + "px";
}
}
var interval = window.setinterval(obj.move, timespan);
if (autoclosed)
{
obj.onclick = function()
{
window.clearinterval(interval);
obj.style.display = "none";
}
}
}
/*左右门帘*/
function adhang(id, title, content, left, right, top, width, height, autoclosed)
{
if (!adconfig)
adconfiginit();
lid = "adver_l_" + id;
rid = "adver_r_" + id;
document.writeln("" + content + "");
document.writeln("" + content + "");
var obj = document.getelementbyid(lid);
obj.style.cursor = "pointer";
obj.style.position = "absolute";
obj.style.overflow = "hidden";
obj.style.left = left + "px";
obj.style.top = top + "px";
obj.style.width = width + "px";
obj.style.height = height + "px";
var obj2 = document.getelementbyid(rid);
obj2.style.cursor = "pointer";
obj2.style.position = "absolute";
obj2.style.overflow = "hidden";
obj2.style.right = left + "px";
obj2.style.top = top + "px";
obj2.style.width = width + "px";
obj2.style.height = height + "px";
obj.move = function()
{
var t = parseint(obj.style.top, 10);
if (t + 5 < adconfig.top + top)
{
obj.style.top = (t + 5) + "px";
obj2.style.top = (t + 5) + "px";
}
else if (t - 5 > adconfig.top + top)
{
obj.style.top = (t - 5) + "px";
obj2.style.top = (t - 5) + "px";
}
}
var interval = window.setinterval(obj.move, timespan);
if (autoclosed)
{
obj.onclick = function()
{
window.clearinterval(interval);
obj.style.display = "none";
obj2.style.display = "none";
}
obj2.onclick = function()
{
window.clearinterval(interval);
obj.style.display = "none";
obj2.style.display = "none";
}
}
}
/*拉屏广告*/
function bigscreen(id, title, content, time, height, autoclosed)
{
if (!adconfig)
adconfiginit();
var screenobj = document.getelementbyid("bigscreen");
if (!screenobj) return;
screenobj.style.display = "none";
screenobj.innerhtml = content;
if (autoclosed)
{
screenobj.onclick = function()
{
screenobj.style.display = "none";
}
}
sh = height;
if (time > 0) st = time;
else st = 3;
//事件侦听
if(window.attachevent)
{
window.attachevent("onload", addheight);
}
if(window.addeventlistener)
{
window.addeventlistener("load", addheight, false);
}
}
function backheight()
{
document.getelementbyid("bigscreen").style.height = h + "px";
h -= 5;
stopback = settimeout("backheight()", 40)
if(h < 0)
{
cleartimeout(stopback);
h = 0;
document.getelementbyid("bigscreen").style.display = "none";
}
}
function delaytime()
{
n++;
stopdelay = settimeout("delaytime()", 1000);
if(n == st)
{
cleartimeout(stopdelay);
backheight();
}
}
function addheight()
{
document.getelementbyid("bigscreen").style.display = "block";
document.getelementbyid("bigscreen").style.height = h + "px";
h += 5;
stopadd = settimeout("addheight()", 40);
if(h > sh)
{
h = sh;
cleartimeout(stopadd);
delaytime();
}
}