uhead.js

xuexiaode tuanwei 一个风格很不错的源码

<!--
isns = navigator.appName == "Netscape";
img1=new Image()
img2=new Image()
img3=new Image()
img4=new Image()

img1.src='images/shouye/photo1.gif'
img2.src='images/shouye/photo2.gif'
img3.src='images/shouye/photo3.gif'
img4.src='images/shouye/photo4.gif'


nn=1

function change_img()
{
	eval('document.pic.src=img'+nn+'.src');
	nn++;
	if(nn>4) nn=1
	if(!isns)
	{
		pic.filters.item(0).apply()
		pic.style.visibility='visible'
		pic.filters.item(0).play()
		setTimeout("pic.style.visibility='hidden'",4000);
	}
	else
	document.pic.visibility='visible'
	tt=setTimeout('change_img()',4000)
}

function wynews(news_id,news_content)
{
	this.news_id=news_id;
	this.news_content=news_content;
}

news=new Array();
news[1]=new wynews('1','&nbsp;&nbsp;&nbsp;&nbsp;三峡大学团委是三峡大学的先进集体，是在校党委的领导下,面向全体青年学生和青年教工的工作部门。');
news[2]=new wynews('2','&nbsp;&nbsp;&nbsp;&nbsp;作为党的助手和后备军，作为党联系青年的桥梁和纽带，共青团的主要任务是紧密围绕思想教育、组织建设和队伍建设、为青年成才服务，为全面素质教育服务。将始终围绕“服务同学、沟通教学、走向社会”这一主题，使共青团、学生会成为了一座沟通学生心灵的桥梁，一扇体现学生风采的窗口。');


if(isns)
{
	tag0='document.divnews.document.clipnews.document.'
	tag1='document.divnews.document.clipnews.'
	tag2=''
}
else
{
	tag0=''
	tag1=''
	tag2='.style'
}
function init()
{
	change_img()
           newsnum=news.length-1
	if(isns) eval(tag1+'clip.height=190')
	eval(tag0+'news1'+tag2+'.top=0')
	for(i=2;i<=newsnum;i++)
	{
		j=i-1
		follow(i,j)
	}
	newsmove()
	if(isns) eval(tag1+'visibility="show"')
	else divnews.style.visibility='visible'
}

steph=1
mm=false
function newsmove()
{
	mm=true
	xmin=1
	for(i=1;i<=newsnum;i++)
	{
		if(isns) xtop=eval(tag0+'news'+xmin+'.top')
		else xtop=eval('news'+xmin+'.style.pixelTop')
		if(isns) nitop=eval(tag0+'news'+i+'.top')
		else nitop=eval('news'+i+'.style.pixelTop')
		if(nitop<xtop) xmin=i
	}
	if(isns) tt=eval(tag0+'news'+xmin+'.top');
	else tt=eval('news'+xmin+'.style.pixelTop');
	tt-=steph;
	eval(tag0+'news'+xmin+tag2+'.top=tt');
	xmax=xmin-1
	if(xmin==1) xmax=newsnum
	if(xmin>=1&&xmin<newsnum)
	for(i=xmin+1;i<=newsnum;i++)
	{
		j=i-1
		follow(i,j)		
	}
	if(xmin!=1)
	for(i=1;i<=xmax;i++)
	{
		j=i-1
		if(j==0) j=newsnum
		follow(i,j)
	}
	for(i=1;i<=newsnum;i++)
	{
		if(isns) topi=eval(tag0+'news'+i+'.top')
		else topi=eval('news'+i+'.style.pixelTop')
		if(isns) heighti=eval(tag0+'news'+i+'.clip.height')
		else heighti=eval('news'+i+'.offsetHeight')
		bottomi=topi+heighti
		if(bottomi<0)
		eval(tag0+'news'+i+tag2+'.top=200')
	}

	if(mm) domove=setTimeout('newsmove()',10);
}

function stopm()
{
	if(mm)
	{clearTimeout(domove)
	mm=false}
}

function startm()
{
	if(!mm) newsmove()
}

function follow(nexti,prei)
{
	if(isns) newtop=eval(tag0+'news'+prei+'.top')
	else newtop=eval('news'+prei+'.style.pixelTop')
	if(isns) newheight=eval(tag0+'news'+prei+'.clip.height')
	else newheight=eval('news'+prei+'.offsetHeight')
	newpos=newtop+newheight+8
	if(newpos>200) newpos=200
	eval(tag0+'news'+nexti+tag2+'.top='+newpos)
//--
}