bigdir/public/javascripts/welcome.js

64 lines
1.8 KiB
JavaScript

(function () {
window.onload = function(){
function fixedBar(id, options){
var ele = document.getElementById(id);
if(!ele) return;
if(/msie (\d+\.\d+)/i.test(navigator.userAgent)){
var pageHeight=window.innerHeight;
var d=document;
if(typeof pageHeight!="number"){
if(document.compatMode=="CSS1Compat"){
pageHeight=document.documentElement.clientHeight;
}else{
pageHeight=document.body.clientHeight;
}
}
var ieScrollTop=window.pageYOffset || d.documentElement.scrollTop || d.body.scrollTop;
if(options.addclass) ele.className = options.addclass;
ele.style.position= 'absolute';
if(options.show){
ele.style.top = 0 + "px";
ele.style.display= 'block';
}
window.attachEvent('onscroll' , function (){
var ieScrollTop=window.pageYOffset || d.documentElement.scrollTop || d.body.scrollTop;
ele.style.top = 0 + "px";
if(options.autoHidden){
if(ieScrollTop==0){
ele.style.display="none";
}else{
ele.style.display="block";
}
}
});
}else{
var ele = document.getElementById(id);
if(typeof pageHeight!="number"){
if(document.compatMode=="CSS1Compat"){
pageHeight=document.documentElement.clientHeight;
}else{
pageHeight=document.body.clientHeight;
}
}
if(options.show) ele.style.display= 'block';
ele.style.top = 0 +'px';
window.addEventListener('scroll',function (){
if(options.autoHidden){
if(baidu.page.getScrollTop()==0){
ele.style.display="none";
}else{
ele.style.display="block";
}
}
},false);
}
}
fixedBar('backTopBtn' , {autoHidden: true, top : 186});
fixedBar('identifier-pannel' , {autoHidden: false , top : 956 , show : true});
}
})();