<img src="C:\Documents and Settings\Administrator\桌面\imgget.jpg" name="u" border="1" style="filter:alpha(opacity=0)">
<script language="JavaScript">var b = 1;
var c = true;function helpor_net(){
if(document.all);if(c == true) {
b++;
}
if(b==100) {
b--;
c = false
}if(b==10) {
b++;
c = true;
}if(c == false) {
b--;
}
u.filters.alpha.opacity=0 + b;
setTimeout("helpor_net()",50);
}
helpor_net();
</script>
<script language="JavaScript">var b = 1;
var c = true;function helpor_net(){
if(document.all);if(c == true) {
b++;
}
if(b==100) {
b--;
c = false
}if(b==10) {
b++;
c = true;
}if(c == false) {
b--;
}
u.filters.alpha.opacity=0 + b;
setTimeout("helpor_net()",50);
}
helpor_net();
</script>
<img src="C:\Documents and Settings\Administrator\桌面\imgget.jpg" name="u" border="1" style="filter:alpha(opacity=0)">
<script language="JavaScript">var b = 1;
var c = true;function helpor_net(){
if(document.all);if(c == true) {
b++;
}
if(b==100) {
b--;
c = false
}if(b==10) {
b++;
c = true;
}if(c == false) {
b--;
}
u.filters.alpha.opacity=0 + b;
setTimeout("helpor_net()",50);
}
helpor_net();
</script>
<script language="JavaScript">var b = 1;
var c = true;function helpor_net(){
if(document.all);if(c == true) {
b++;
}
if(b==100) {
b--;
c = false
}if(b==10) {
b++;
c = true;
}if(c == false) {
b--;
}
u.filters.alpha.opacity=0 + b;
setTimeout("helpor_net()",50);
}
helpor_net();
</script>
<img src="http://www.baidu.com/logo/logo.jpg" name="u" border="1" style="filter:alpha(opacity=0)"><!--图片 滤镜效果-->
<script language="JavaScript"> var b = 1;
var c = true; function helpor_net() {
if (document.all); //这句的意思想判断是否是IE浏览器 只有IE内核才支持document.all写法。 //下面这部分代码意思是让b的值在10-100来回徘徊
if (c == true) {
b++;
}
if (b == 100) {
b--;
c = false
} if (b == 10) {
b++;
c = true;
} if (c == false) {
b--;
} u.filters.alpha.opacity = 0 + b;//变化图片的滤镜值
setTimeout("helpor_net()", 50); //这句和下面的helpor_net()形成个每50毫秒 循环一次的循环
}
helpor_net();
</script>
c 是判断 b的值在10-100之间徘徊。