t:animate 是什么东西啊
<t:animateid="slideIn"
targetElement="oContain"
attributeName="left"
begin="0"
calcMode="spline"
keySplines=" 0 .75 .25 1"
keyTimes="0;1 "
values = "-800;10"
dur = "1"
fill="freeze"
/>
<t:seq id="timeline1" repeatCount="indefinite" begin="slideIn.end">
<t:animate
id="fade1"
targetElement="oBox1"
attributeName="filters.item(0).opacity"
values = "0;100;10"
dur = "5"
/>
<t:animate
id="fade2"
targetElement="oBox2"
attributeName="filters.item(0).opacity"
values = "0;100;10"
dur = "5"
/>
<t:animate
id="fade3"
targetElement="oBox3"
attributeName="filters.item(0).opacity"
values = "0;100;10"
dur = "5"
/>
<t:animate
id="fade4"
targetElement="oBox4"
attributeName="filters.item(0).opacity"
values = "0;100;10"
dur = "5"
/>