
function startthis() {
recordcount=1;
i=0;
mousex=new Array();
mousey=new Array();
recordthis();
}
function recordthis() {
if (maxnum.value=='' || isNaN(maxnum.value) == true || maxnum.value<0) {
if (recordcount==1) {
mousex[i]=mousefollow.offsetLeft;
mousey[i]=mousefollow.offsetTop;
i++;
k=i;
textfield.value='无时间限制';
}
}
else {
if (recordcount==1) {
if (i<maxnum.value) {
mousex[i]=mousefollow.offsetLeft;
mousey[i]=mousefollow.offsetTop;
i++;
k=i;
textfield.value='剩余'+(maxnum.value-i)+'/50秒';
}
else {
recordcount=0;
textfield.value='时间到';}
}
}
repeat=setTimeout("recordthis()",20);
}
function stopthis() {
clearTimeout("repeat");
recordcount=0;
}
function playthis() {
clearTimeout("repeat");
clearTimeout("repeat3");
recordcount=0;
if (j<i-1) {
arrow.style.pixelLeft=mousex[j];
arrow.style.pixelTop=mousey[j];
arrow.style.visibility='visible';
j++;
repeat2=setTimeout("playthis()",speed);
}
else {clearTimeout("repeat2");
arrow.style.visibility='hidden';
j=0;
}
}
function rewindthis() {
clearTimeout("repeat");
clearTimeout("repeat2");
recordcount=0;
if (k>0) {
arrow.style.pixelLeft=mousex[k-1];
arrow.style.pixelTop=mousey[k-1];
arrow.style.visibility='visible';
k--;
repeat3=setTimeout("rewindthis()",speed);
}
else {clearTimeout("repeat3");
arrow.style.visibility='hidden';
k=i;
}
}
function follow() {
mousefollow.style.pixelLeft=document.body.scrollLeft+event.clientX;
mousefollow.style.pixelTop=document.body.scrollTop+event.clientY;
}
// -->
</script>

