更加酷的打开页面特效，有两种颜色变化
<!-- 要实现此效果需要 2 个步骤： -->
<!-- 第 1 步： -->
<!-- 把<BODY>中的属性代码改为： -->
<BODY body onLoad="init()" style="width:100%;overflow-x:hidden;overflow-y:hidden">
<!-- 第 2 步： -->
<!-- 把下面的代码加到<BODY></BODY>区域中： -->
<script LANGUAGE="Javascript">
<!--
// 过渡的速度
var pause=50
var widthstep=10
// 效果的色彩
var curtaincolor1="FFFF00"
// 右
var curtaincolor2="EE8800"
// 下
var curtaincolor3="EE8800"
// 左
var curtaincolor4="FFFF00"
var screenheight
var screenwidth
var heightstep
var maxmove=0
var timer
var url
var curtaincontent1=""
var curtaincontent2=""
var curtaincontent3=""
var curtaincontent4=""
function init() {
if (document.all) {
screenwidth=document.body.clientWidth
screenheight=document.body.clientHeight
curtaincontent1="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor1+"'> </td></tr></table>"
curtaincontent2="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor2+"'> </td></tr></table>"
curtaincontent3="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor3+"'> </td></tr></table>"
curtaincontent4="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor4+"'> </td></tr></table>"
curtain1.innerHTML=curtaincontent1
curtain2.innerHTML=curtaincontent2
curtain3.innerHTML=curtaincontent3
curtain4.innerHTML=curtaincontent4
heightstep=Math.round(widthstep/screenwidth*screenheight)
}
if (document.layers) {
screenwidth=window.innerWidth
screenheight=window.innerHeight
curtaincontent1="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor1+"'> </td></tr></table>"
curtaincontent2="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor2+"'> </td></tr></table>"
curtaincontent3="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor3+"'> </td></tr></table>"
curtaincontent4="<table cellpadding=0 cellspacing=0 width='"+screenwidth+"' height='"+screenheight+"'><tr><td bgcolor='"+curtaincolor4+"'> </td></tr></table>"
document.curtain1.document.write(curtaincontent1)
document.curtain1.document.close()
document.curtain2.document.write(curtaincontent2)
document.curtain2.document.close()
document.curtain3.document.write(curtaincontent3)
document.curtain3.document.close()
document.curtain4.document.write(curtaincontent4)
document.curtain4.document.close()
heightstep=Math.round(widthstep/screenwidth*screenheight)
}
}
function openpage(thisurl) {
url=thisurl
if (document.all) {
document.all.curtain1.style.posTop=-screenheight
document.all.curtain1.style.posLeft=0
document.all.curtain2.style.posTop=0
document.all.curtain2.style.posLeft=screenwidth
document.all.curtain3.style.posTop=screenheight
document.all.curtain3.style.posLeft=0
document.all.curtain4.style.posTop=0
document.all.curtain4.style.posLeft=-screenwidth
document.all.curtain1.style.visibility="VISIBLE"
document.all.curtain2.style.visibility="VISIBLE"
document.all.curtain3.style.visibility="VISIBLE"
document.all.curtain4.style.visibility="VISIBLE"
movecurtains()
}
if (document.layers) {
document.curtain1.top=-screenheight
document.curtain1.left=0
document.curtain2.top=0
document.curtain2.left=screenwidth
document.curtain3.top=screenheight
document.curtain3.left=0
document.curtain4.top=0
document.curtain4.left=-screenwidth
document.curtain1.visibility="VISIBLE"
document.curtain2.visibility="VISIBLE"
document.curtain3.visibility="VISIBLE"
document.curtain4.visibility="VISIBLE"
movecurtains()
}
}
function movecurtains() {
if (maxmove<=screenwidth/2) {
if (document.all) {
document.all.curtain1.style.posTop+=heightstep
document.all.curtain2.style.posLeft-=widthstep
document.all.curtain3.style.posTop-=heightstep
document.all.curtain4.style.posLeft+=widthstep
}
if (document.layers) {
document.curtain1.top+=heightstep
document.curtain2.left-=widthstep
document.curtain3.top-=heightstep
document.curtain4.left+=widthstep
}
maxmove+=widthstep
var timer=setTimeout("movecurtains()",pause)
}
else {
clearTimeout()
document.location.href=url
}
}
// - End of Javascript - -->
</script>
<STYLE>
.curtain {
position:absolute;
visibility:hidden;
}
</STYLE>
<DIV ID="deletethisblock" class="redirstyle" style="position:absolute;left:10px;top:10px;color:000000;font-family:"宋体";font-size:9pt">
<a href="javascript:openpage('http://www.webasp.net')">看看效果吧!!</a>
</DIV>
<DIV ID="curtain1" class="curtain"></DIV>
<DIV ID="curtain2" class="curtain"></DIV>
<DIV ID="curtain3" class="curtain"></DIV>
<DIV ID="curtain4" class="curtain"></DIV>
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