当前位置: 首页 > 图文教程 > 网络编程 > ASP > 用鼠标控制滚动的菜单条!(javascript)

ASP
ASP基础讲座(下)
解决IIS5 HTTP500内部错误
ASP 3.0高级编程(四十六)
ASP 3.0高级编程(四十五)
ASP 3.0高级编程(四十四)
ASP 3.0高级编程(四十三)
ASP 3.0高级编程(四十二)
ASP 3.0高级编程(四十一)
ASP 3.0高级编程(三十九)
ASP 3.0高级编程(三十八)
ASP 3.0高级编程(三十七)
ASP 3.0高级编程(三十六)
ASP 3.0高级编程(三十五)
ASP 3.0高级编程(三十四)
ASP 3.0高级编程(三十三)
ASP 3.0高级编程(三十二)
ASP 3.0高级编程(三十一)
ASP错误代码说明
jscript错误代码及相应解释大全
ASP错误处理

ASP 中的 用鼠标控制滚动的菜单条!(javascript)


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 71 ::
收藏到网摘: n/a

  第一步,将下面的代码加<head>与</head>之间

<style>
body{background-color:#FFFFFF}
A{color:Navy; text-decoration:none}
A:hover{color:red}
A:visited:{color:#808080}
TD{font-family:arial,helvetica; font-size:10pt}
#divBg{position:absolute; z-index:10; width:200; left:0; height:100; clip:rect(0,10,10,0)}
#divMenu{position:absolute; left:15; top:6; font-weight:bold}
#divArrowLeft{position:absolute; width:20; height:20; left:0; top:9}
#divArrowRight{position:absolute; width:20; height:20; top:9}
</style><script>

//Simple browsercheck
var n = (document.layers) ? 1:0;
var ie = (document.all) ? 1:0;

//The height of the menu
menuHeight=22

//Width of the arrows
arrowWidth=16

//Scroll speed: (in milliseconds, change this one and the next variable to change the speed)
scrollSpeed=20

//Pixels to scroll per timeout.
scrollPx=10

/**************************************************************************
Scrolling functions
***************************************************************************/
var tim;
var noScroll=true
function mLeft(){
if(!noScroll && oMenu.x<arrowWidth){
oMenu.moveBy(scrollPx,0)
tim=setTimeout("mLeft()",scrollSpeed)
}
}
function mRight(){
if(!noScroll && oMenu.x>-(oMenu.scrollWidth-(pageWidth))-arrowWidth){
oMenu.moveBy(-scrollPx,0)
tim=setTimeout("mRight()",scrollSpeed)
}
}
function noMove(){clearTimeout(tim); noScroll=true}
/**************************************************************************
Object part
***************************************************************************/
function makeObj(obj,nest,num){
nest=(!nest) ? '':'document.'+nest+'.'

this.css=(n) ? eval(nest+'document.'+obj):eval('document.all.'+obj+'.style')
this.evnt=(n)? eval(nest+'document.'+obj):eval(obj);
this.scrollWidth=n?this.css.document.width:this.evnt.offsetWidth
this.x=(n)? this.css.left:this.evnt.offsetLeft; this.y=(n)?
this.css.top:this.evnt.offsetTop;
this.moveBy=b_moveBy; this.moveIt=b_moveIt; this.showIt=b_showIt;this.clipTo=b_clipTo;
return this
}
function b_moveBy(x,y){this.x=this.x+x; this.y=this.y+y; this.css.left=this.x; this.css.top=this.y}
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y}
function b_clipTo(t,r,b,l){
if(n){this.css.clip.top=t; this.css.clip.right=r; this.css.clip.bottom=b; this.css.clip.left=l
}else this.css.clip="rect("+t+","+r+","+b+","+l+")";
}
function b_showIt(){this.css.visibility="visible"}
/**************************************************************************
Object part end
***************************************************************************/

/**************************************************************************
Init function. Set the placements of the objects here.
***************************************************************************/
function side_init(){
//Width of the menu, Currently set to the width of the document.
//If you want the menu to be 500px wide for instance, just
//set the the pageWidth=500 in stead.
pageWidth=(n)?innerWidth:document.body.offsetWidth-20;

oBg=new makeObj('divBg')
oMenu=new makeObj('divMenu','divBg')
oArrowRight=new makeObj('divArrowRight','divBg')
//Placement
oBg.moveIt(0,0) //Main div, holds all the other divs.
oMenu.moveIt(arrowWidth,6)
oArrowRight.moveIt(pageWidth-arrowWidth,9)
//setting the width and the visible area of the links.
if(ie){ oBg.css.width=pageWidth; oBg.css.overflow="hidden"}
oBg.clipTo(0,pageWidth,menuHeight,0)
}

//executing the init function on pa