從博客網扣了一個效果出來，但有個地方搞不定，求助無憂強人幫忙研究一下。
現在演示：http://patible')==-1&&userAgent.indexOf('mozilla')!=-1&&!is_opera&&!is_webtv&&!is_saf;
varis_ie=(userAgent.indexOf('msie')!=-1&&!is_opera&&!is_saf&&!is_webtv)&&userAgent.substr(userAgent.indexOf('msie')+5,3);

varsw,sh;
sw=document.body.clientWidth
sh=document.body.clientHeight

varobj=document.getElementById("dssss")
vart=newObject();
functionshow(){
varscreet=eet-300;
scrollTo(0,screet);
if(window.navigator.userAgent.indexOf("MSIE")>=1){
obj.style.display="";
oo("info_dsss").style.left=(document.body.offsetWidth-400)/2+"px";


oo("info_dsss").style.top=eet+"px";


oo("info_dsss").style.display="";
obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";

//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;

if(obj.filters.alpha.opacity>60){
obj.filters.alpha.opacity=60;
clearTimeout(t.timer1);
return;
}else{
obj.filters.alpha.opacity+=2;
show()
}
return;
}else{

obj.style.background="url(http://www.iyumen.cn/images/imgs/reg-pop-bg2.png)";
obj.style.display="";
//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;

oo("info_dsss").style.left=(document.body.offsetWidth-400)/2+"px";
oo("info_dsss").style.top=eet+"px";
oo("info_dsss").style.display="";

obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";
}
}

functionshow_out(){
scrollTo(0,0);
if(window.navigator.userAgent.indexOf("MSIE")>=1){

obj.style.display="";

oo("quit-alert").style.left=(document.body.offsetWidth-300)/2+"px";
oo("quit-alert").style.top="200px";
oo("quit-alert").style.display="";
obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";

//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;

if(obj.filters.alpha.opacity>60){
obj.filters.alpha.opacity=60;
clearTimeout(t.timer1);
return;
}else{
obj.filters.alpha.opacity+=2;
show_out()
}
return;
}else{
obj.style.background="url(http://www.iyumen.cn/images/imgs/reg-pop-bg2.png)";
obj.style.display="";
//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;
oo("quit-alert").style.left=(document.body.offsetWidth-300)/2+"px";
oo("quit-alert").style.top="200px";
oo("quit-alert").style.display="";

obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";
}
}

functionin_party(){
scrollTo(0,0);
if(window.navigator.userAgent.indexOf("MSIE")>=1){

obj.style.display="";

oo("in_party").style.left=(document.body.offsetWidth-300)/2+"px";
oo("in_party").style.top="200px";
oo("in_party").style.display="";
obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";

//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;

if(obj.filters.alpha.opacity>60){
obj.filters.alpha.opacity=60;
clearTimeout(t.timer1);
return;
}else{
obj.filters.alpha.opacity+=2;
in_party()
}
return;
}else{
obj.style.background="url(http://www.iyumen.cn/images/imgs/reg-pop-bg2.png)";
obj.style.display="";
//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;
oo("in_party").style.left=(document.body.offsetWidth-300)/2+"px";
oo("in_party").style.top="200px";
oo("in_party").style.display="";

obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";
}
}

functionhide_in(){
if(window.navigator.userAgent.indexOf("MSIE")>=1){
if(obj.filters.alpha.opacity<=0){
obj.filters.alpha.opacity=0;
obj.style.display="none"

oo("in_party").style.display="none"
clearTimeout(t.timer2)
return;
}else{
obj.filters.alpha.opacity-=2;
hide_in()
}
}else{
obj.style.display="none"
oo("in_party").style.display="none"
}
oo("in_party").style.top="200px";
return;
}

functionshow_black(){
scrollTo(0,0);
if(window.navigator.userAgent.indexOf("MSIE")>=1){
obj.style.display="";
oo("quit-black").style.left=(document.body.offsetWidth-300)/2+"px";
oo("quit-black").style.top="200px";
oo("quit-black").style.display="";
obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";

//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;

if(obj.filters.alpha.opacity>60){
obj.filters.alpha.opacity=60;
clearTimeout(t.timer1);
return;
}else{
obj.filters.alpha.opacity+=2;
show_black();
}
return;
}else{
obj.style.background="url(http://www.iyumen.cn/images/imgs/reg-pop-bg2.png)";
obj.style.display="";
//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;

oo("quit-black").style.left=(document.body.offsetWidth-300)/2+"px";
oo("quit-black").style.top="200px";
oo("quit-black").style.display="";
obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";
}
}

functionshow_add(){
scrollTo(0,0);
if(window.navigator.userAgent.indexOf("MSIE")>=1){
obj.style.display="";

oo("add-alert").style.left=(document.body.offsetWidth-300)/2+"px";
oo("add-alert").style.top="200px";
oo("add-alert").style.display="";
obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";

//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;

if(obj.filters.alpha.opacity>60){
obj.filters.alpha.opacity=60;
clearTimeout(t.timer1);
return;
}else{
obj.filters.alpha.opacity+=2;
show_add();
}
return;
}else{
//alert("ssdd")
obj.style.background="url(http://www.iyumen.cn/images/imgs/reg-pop-bg2.png)";
obj.style.display="";
//obj.style.width=document.body.clientWidth;
//obj.style.height=document.body.clientHeight;


oo("add-alert").style.left=(document.body.offsetWidth-300)/2+"px";
oo("add-alert").style.top="200px";
oo("add-alert").style.display="";

obj.style.width=oo("home").scrollWidth+"px";
obj.style.height=oo("home").scrollHeight+"px";
//alert(obj.style.width)
}
}

functionshow_login(){
scrollTo(0,0);
oo("login-out").style.display="";
oo("login-pop").style.display="";
}

functionshow_login2(){
oo("oDiv").style.display="none";
oo("navigation_logo").style.display="none";
oo("arrow_img").style.background="url('http://www.iyumen.cn/images/imgs/avatar_right.gif')";
showi=0;
scrollTo(0,0);
oo("login-out").style.display="";
oo("login-pop").style.display=""
}

functionhide(){
if(window.navigator.userAgent.indexOf("MSIE")>=1){
if(obj.filters.alpha.opacity<=0){
obj.filters.alpha.opacity=0;
obj.style.display="none"

oo("info_dsss").style.display="none"
clearTimeout(t.timer2)
return;
}else{
obj.filters.alpha.opacity-=2;
hide()
}
}else{
obj.style.display="none"
oo("info_dsss").style.display="none"
}
return;
}

functionhide_login(){
if(window.navigator.userAgent.indexOf("MSIE")>=1){
if(obj.filters.alpha.opacity<=0){
obj.filters.alpha.opacity=0;
obj.style.display="none"

oo("login-out").style.display="none";
oo("login-pop").style.display="none";
clearTimeout(t.timer2)
return;
}else{
obj.filters.alpha.opacity-=2;
hide_login()
}
}else{
obj.style.display="none"
oo("login-out").style.display="none";
oo("login-pop").style.display="none";
}
oo("login-out").style.top="95px";

return;
}



functionhide_out(){
if(window.navigator.userAgent.indexOf("MSIE")>=1){
if(obj.filters.alpha.opacity<=0){
obj.filters.alpha.opacity=0;
obj.style.display="none"

oo("quit-alert").style.display="none"
clearTimeout(t.timer2)
return;
}else{
obj.filters.alpha.opacity-=2;
hide_out()
}
}else{
obj.style.display="none"
oo("quit-alert").style.display="none"
}
oo("quit-alert").style.top="200px";
return;
}

functionhide_add(){
if(window.navigator.userAgent.indexOf("MSIE")>=1){
if(obj.filters.alpha.opacity<=0){
obj.filters.alpha.opacity=0;
obj.style.display="none"

oo("add-alert").style.display="none"
clearTimeout(t.timer2)
return;
}else{
obj.filters.alpha.opacity-=2;
hide_add()
}
}else{
obj.style.display="none"
oo("add-alert").style.display="none"
}
oo("add-alert").style.top="200px";
return;
}

functionhide_black(){
if(window.navigator.userAgent.indexOf("MSIE")>=1){
if(obj.filters.alpha.opacity<=0){
obj.filters.alpha.opacity=0;
obj.style.display="none"

oo("quit-black").style.display="none"
clearTimeout(t.timer2)
return;
}else{
obj.filters.alpha.opacity-=2;
hide_black();
}
}else{
obj.style.display="none"
oo("quit-black").style.display="none"
}
oo("quit-black").style.top="200px";
return;
}

functionlogin_url(op,partyid,groupid,styles){

varloghref=location.href;
oo("login_url").innerHTML="<inputtype=hiddenname=urlvalue="+loghref+">";
actinfo(op);
setday(partyid,groupid,styles);
}