当前页面: 开发资料首页 → Javascript 专题 → 卷帘一样的文字显示效果,为你的网页增加不少生色哦!
摘要: 卷帘一样的文字显示效果,为你的网页增加不少生色哦!
HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<head>
<script>
/********************************************************************************
Copyright (C) 1999 Thomas Brattli
This script is made by and copyrighted to Thomas Brattli at www.bratta.com
********************************************************************************
Browsercheck:*/
ie=document.all?1:0
n=document.layers?1:0
//How many menus do you have? (remember to copy and add divs in the body if you add menus)
var numberOfMenus=1
//The width on the menus (set the width in the stylesheet as well)
var mwidth=90
//Pixels between the menus
var pxBetween=10
//The first menus left position
var fromLeft=120
//The top position of the menus
var fromTop=300
//The bgColor of the bottom mouseover div
var bgColor='#CECFCE'
//The bgColor to change to
var bgColorChangeTo='#6380BC'
//The position the mouseover line div will stop at when going up!
var imageHeight=21
/***************************************************************************
Do not change anything below this line!
****************************************************************************/
//Object constructor
function makeNewsMenu(obj,nest){
nest=(!nest) ? '':'document.'+nest+'.'
this.css=(n) ? eval(nest+'document.'+obj):eval('document.all.'+obj+'.style')
this.scrollHeight=n?this.css.document.height:eval('document.all.'+obj+'.offsetHeight')
this.moveIt=b_moveIt;this.bgChange=b_bgChange;
this.slideUp=b_slideUp; this.slideDown=b_slideDown;
this.clipTo=b_clipTo;
this.obj = obj + "Object"; eval(this.obj + "=this")
}
//Objects methods
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y}
function b_bgChange(color){if(ie) this.css.backgroundColor=color; else this.css.bgColor=color}
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_slideUp(ystop,moveby,speed,fn,wh){
if(!this.slideactive){
if(this.y>ystop){
this.moveIt(this.x,this.y-5); eval(wh)
setTimeout(this.obj+".slideUp("+ystop+","+moveby+","+speed+",'"+fn+"','"+wh+"')",speed)
}else{
this.slideactive=false; this.moveIt(0,ystop); eval(fn)
}
}
}
function b_slideDown(ystop,moveby,speed,fn,wh){
if(!this.slideactive){
if(this.y
setTimeout(this.obj+".slideDown("+ystop+","+moveby+","+speed+",'"+fn+"','"+wh+"')",speed)
}else{
this.slideactive=false; this.moveIt(0,ystop); eval(fn)
}
}
}
//Initiating the page, making cross-browser objects
function newsMenuInit(){
oTopMenu=new Array()
for(i=0;i<=numberOfMenus;i++){
oTopMenu[i]=new Array()
oTopMenu[i][0]=new makeNewsMenu('divTopMenu'+i)
oTopMenu[i][1]=new makeNewsMenu('divTopMenuBottom'+i,'divTopMenu'+i)
oTopMenu[i][2]=new makeNewsMenu('divTopMenuText'+i,'divTopMenu'+i)
oTopMenu[i][1].moveIt(0,imageHeight)
oTopMenu[i][0].clipTo(0,mwidth,imageHeight+3,0)
oTopMenu[i][0].moveIt(i*mwidth+fromLeft+(i*pxBetween),fromTop)
oTopMenu[i][0].css.visibility="visible"
}
}
//Moves the menu
function topMenu(num){
if(oTopMenu[num][1].y==imageHeight) oTopMenu[num][1].slideDown(oTopMenu[num][2].scrollHeight+20,10,40,'oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)')
else if(oTopMenu[num][1].y==oTopMenu[num][2].scrollHeight+20) oTopMenu[num][1].slideUp(imageHeight,10,40,'oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)')
}
//Changes background onmouseover
function menuOver(num){oTopMenu[num][1].bgChange(bgColorChangeTo)}
function menuOut(num){oTopMenu[num][1].bgChange(bgColor)}
//Calls the init function onload
onload=newsMenuInit;
</script>
</head>
<body bgcolor="#FFFFFF" text="#000000">
</body>