JSP小例子（有15个JSP特效经典源代码）

var menuOffX=0 //菜单距连接文字最左端距离 var menuOffY=18 //菜单距连接文字顶端距离 var fo_shadows=new Array() var linkset=new Array() var IE4=document.all&&navigator.userAgent.indexOf("Opera")==-1 var netscape6=document.getElementById&&!document.all var netscape4=document.layers function showmenu(e,vmenu,mod){ if (!document.all&&!document.getElementById&&!document.layers) return which=vmenu clearhidemenu() IE_clearshadow() menuobj=IE4? document.all.popmenu : netscape6? document.getElementById("popmenu") : netscape4? document.popmenu : "" menuobj.thestyle=(IE4||netscape6)? menuobj.style : menuobj if (IE4||netscape6) menuobj.innerHTML=which else{ menuobj.document.write('<layer name="other" bgColor="#E6E6E6" width="165" onmouseover="clearhidemenu()" onmouseout="hidemenu()">'+which+'</layer>') menuobj.document.close() } menuobj.contentwidth=(IE4||netscape6)? menuobj.offsetWidth : menuobj.document.other.document.width menuobj.contentheight=(IE4||netscape6)? menuobj.offsetHeight : menuobj.document.other.document.height eventX=IE4? event.clientX : netscape6? e.clientX : e.x eventY=IE4? event.clientY : netscape6? e.clientY : e.y var rightedge=IE4? document.body.clientWidth-eventX : window.innerWidth-eventX var bottomedge=IE4? document.body.clientHeight-eventY : window.innerHeight-eventY if (rightedge<menuobj.contentwidth) menuobj.thestyle.left=IE4? document.body.scrollLeft+eventX-menuobj.contentwidth+menuOffX : netscape6? window.pageXOffset+eventX-menuobj.contentwidth : eventX-menuobj.contentwidth else menuobj.thestyle.left=IE4? IE_x(event.srcElement)+menuOffX : netscape6? window.pageXOffset+eventX : eventX if (bottomedge<menuobj.contentheight&&mod!=0) menuobj.thestyle.top=IE4? document.body.scrollTop+eventY-menuobj.contentheight-event.offsetY+menuOffY-23 : netscape6? window.pageYOffset+eventY-menuobj.contentheight-10 : eventY-menuobj.contentheight else menuobj.thestyle.top=IE4? IE_y(event.srcElement)+menuOffY : netscape6? window.pageYOffset+eventY+10 : eventY menuobj.thestyle.visibility="visible" IE_dropshadow(menuobj,"#999999",3) return false } function clearhidemenu(){ if (window.delayhide) clearTimeout(delayhide) } function IE_clearshadow(){ for(var i=0;i<fo_shadows.length;i++){ if (fo_shadows[i]) fo_shadows[i].style.display="none" } fo_shadows=new Array(); } function IE_y(e){ var t=e.offsetTop; while(e=e.offsetParent){ t+=e.offsetTop; } return t; } function IE_x(e){ var l=e.offsetLeft; while(e=e.offsetParent){ l+=e.offsetLeft; } return l; } //设置层的显示 function IE_dropshadow(el, color, size) { var i; for (i=size; i>0; i--){ var rect = document.createElement('div'); var rs = rect.style //设置层的显示位置和显示方式 rs.position = 'absolute'; rs.left = (el.style.posLeft + i) + 'px'; rs.top = (el.style.posTop + i) + 'px'; rs.width = el.offsetWidth + 'px'; rs.height = el.offsetHeight + 'px'; rs.zIndex = el.style.zIndex - i; rs.backgroundColor = color; //设置层的透明度 var opacity = 1 - i / (i + 1); rs.filter = 'alpha(opacity=' + (100 * opacity) + ')'; fo_shadows[fo_shadows.length] = rect; } } //影藏菜单 function hidemenu(){ if (window.menuobj) menuobj.thestyle.visibility=(IE4||netscape6)? "hidden" : "hide" IE_clearshadow() } function dynamichide(e){ if (IE4&&!menuobj.contains(e.toElement)) hidemenu() else if (netscape6&&e.currentTarget!= e.relatedTarget&& !contains_netscape6(e.currentTarget, e.relatedTarget)) hidemenu() } function delayhidemenu(){ if (IE4||netscape6||netscape4) delayhide=setTimeout("hidemenu()",500) } function highlightmenu(e,state){ if (document.all) source_el=event.srcElement else if (document.getElementById) source_el=e.target if (source_el.className=="menuitems"){ source_el.id=(state=="on")? "mouseoverstyle" : "" } else{ while(source_el.id!="popmenu"){ source_el=document.getElementById? source_el.parentNode : source_el.parentElement if (source_el.className=="menuitems"){ source_el.id=(state=="on")? "mouseoverstyle" : "" } } } } //设置菜单背景 function overbg(tdbg){ tdbg.style.background='url(Images/item_over.gif)' tdbg.style.border=' #9CA6C6 1px solid' } function outbg(tdbg){ tdbg.style.background='url(Images/item_out.gif)' tdbg.style.border='' } //系统设置 var sysmenu= '<table width=80> <tr> <td id=library onMouseOver=overbg(library) onMouseOut=outbg(library)> <a href=library.do?action=libraryQuery>图书馆信息</a> </td> </tr>\ <tr> <td id=manager onMouseOver=overbg(manager) onMouseOut=outbg(manager)> <a href=manager.do?action=managerQuery>管理员设置</a> </td> </tr>\ <tr> <td id=para onMouseOver=overbg(para) onMouseOut=outbg(para)> <a href=parameter.do?action=parameterQuery>参数设置</a> </td> </tr>\ <tr> <td id=bookcase onMouseOver=overbg(bookcase) onMouseOut=outbg(bookcase)> <a href=bookCase.do?action=bookCaseQuery>书架设置</a> </td> </tr>\ </table>' //读者管理 var readermenu=' <table width=90> <tr> <td id=readerType onMouseOver=overbg(readerType) onMouseOut=outbg(readerType)> <a href=readerType.do?action=readerTypeQuery>读者类型管理</a> </td> </tr>\ <tr> <td id=reader onMouseOver=overbg(reader) onMouseOut=outbg(reader)> <a href=reader.do?action=readerQuery>读者档案管理</a> </td> </tr>\ </table>' //图书管理 var bookmenu=' <table width=90> <tr> <td id=bookType onMouseOver=overbg(bookType) onMouseOut=outbg(bookType)> <a href=bookType.do?action=bookTypeQuery>图书类型设置</a> </td> </tr>\ <tr> <td id=book onMouseOver=overbg(book) onMouseOut=outbg(book)> <a href=book.do?action=bookQuery>图书档案管理</a> </td> </tr>\ </table>' //图书借还 var borrowmenu=' <table width=60> <tr> <td id=Borrow onMouseOver=overbg(Borrow) onMouseOut=outbg(Borrow)> <a href=bookBorrow.jsp>图书借阅</a> </td> </tr>\ <tr> <td id=renew onMouseOver=overbg(renew) onMouseOut=outbg(renew)> <a href=bookRenew.jsp>图书续借</a> </td> </tr>\ <tr> <td id=giveback onMouseOver=overbg(giveback) onMouseOut=outbg(giveback)> <a href=bookBack.jsp>图书归还</a> </td> </tr>\ </table>' //系统查询 var querymenu=' <table width=90> <tr> <td id=bookQuery onMouseOver=overbg(bookQuery) onMouseOut=outbg(bookQuery)> <a href=book.do?action=bookifQuery>图书档案查询</a> </td> </tr>\ <tr> <td id=borrowQuery onMouseOver=overbg(borrowQuery) onMouseOut=outbg(borrowQuery)> <a href=borrow.do?action=borrowQuery>图书借阅查询</a> </td> </tr>\ <tr> <td id=givebackQuery onMouseOver=overbg(givebackQuery) onMouseOut=outbg(givebackQuery)> <a href=borrow.do?action=Bremind>借阅到期提醒</a> </td> </tr>\ </table>' //排行榜 var sortmenu=' <table width=100> <tr> <td id=readerSort onMouseOver=overbg(readerSort) onMouseOut=outbg(readerSort)> <a href=borrow.do?action=readerBorrowSort>读者借阅排行榜</a> </td> </tr>\ <tr> <td id=bookSort onMouseOver=overbg(bookSort) onMouseOut=outbg(bookSort)> <a href=borrow.do?action=bookBorrowSort>图书借阅排行榜</a> </td> </tr>\ </table>'