本站用的js代码、直接放入底部

2013-10-10 23:05:29 -0700

//[Step1]: 在此能够设置雨滴的多少
var rainsize = 80;
//[Step2]: 这里可以更改下雨的速度，数值大速度慢
var speed = 110;
var x = new Array();
var y = new Array();
var r = new Array();
var cx = new Array();
var cy = new Array();
var doc_width = document.body.clientWidth;
var doc_height = document.body.clientHeight;
for(i=0; i<rainsize; ++i) {
initRain();
if (i == 0) {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");
document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\">");
document.write(",</div>"); }
else {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");
document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\">");
document.write(",.</div>"); }
}
function initRain() {
a = 6;
r[i] = 1;
sn = Math.sin(a);
cs = Math.cos(a);
cx[i] = Math.random() * doc_width + 1;
cy[i] = Math.random() * doc_height + 1;
x[i] = r[i] * sn + cx[i];
y[i] = cy[i];
}
function raindropIE() {
for (i = 0; i < rainsize; ++ i) {
updateRain();
if ((x[i] <= 1) || (x[i] >= (doc_width - 20)) || (y[i] >= (doc_height - 20))) {
makeRain();
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight; }
document.all["dot"+i].style.pixelTop = y[i];
document.all["dot"+i].style.pixelLeft = x[i]; }
setTimeout("raindropIE()", speed);
}
function updateRain() {
r[i] += 10;
x[i] = r[i] * sn + cx[i];
y[i] = r[i] * cs + cy[i];
}
function makeRain() {
r[i] = 1;
cx[i] = Math.random() * doc_width + 1;
cy[i] = 1;
x[i] = r[i] * sn + cx[i];
y[i] = r[i] * cs + cy[i];
}
raindropIE();
 var caution = false
 function setCookie(name, value, expires, path, domain, secure) {
 var curCookie = name + "=" + escape(value) +
 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 ((path) ? "; path=" + path : "") +
 ((domain) ? "; domain=" + domain : "") +
 ((secure) ? "; secure" : "")
 if (!caution || (name + "=" + escape(value)).length <= 4000)
 document.cookie = curCookie
 else
 if (confirm("Cookie exceeds 4KB and will be cut!"))
 document.cookie = curCookie
 }
 function getCookie(name) {
 var prefix = name + "="
 var cookieStartIndex = document.cookie.indexOf(prefix)
 if (cookieStartIndex == -1)
 return null
 var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
 if (cookieEndIndex == -1)
 cookieEndIndex = document.cookie.length
 return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
 }
 function deleteCookie(name, path, domain) {
 if (getCookie(name)) {
 document.cookie = name + "=" +
 ((path) ? "; path=" + path : "") +
 ((domain) ? "; domain=" + domain : "") +
 "; expires=Thu, 01-Jan-70 00:00:01 GMT"
 }
 }
 function fixDate(date) {
 var base = new Date(0)
 var skew = base.getTime()
 if (skew > 0)
 date.setTime(date.getTime() - skew)
 }
 var now = new Date()
 fixDate(now)
 now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000)
 var visits = getCookie("counter")
 if (!visits)
 visits = 1
 else
 visits = parseInt(visits) + 1
 setCookie("counter", visits, now)
 document.write("您已经是第 " + visits + " 次访问本网站了！");

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----Comments(1)----
1 at 2013-10-31 16:42:
试过了，没用

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