step = 10
height = 690
x1 = x2 = height/2
function list() {
if (Opera) document.getElementById("window").style.display = "block"
if (x1 > 0) {
x1 -= step
x2 += step
clip = "auto " + x2 + " auto " + x1
document.getElementById("window").style.clip = "rect(" + clip + ")"
setTimeout("list()", 1)
}
}
function list_off() {
if (x2 > (height/2)) {
x1 += step
x2 -= step
clip = "auto " + x2 + " auto " + x1
document.getElementById("window").style.clip = "rect(" + clip + ")"
setTimeout("list_off()", 1)
}
else if (Opera) document.getElementById("window").style.display = "none"
}