Help required in Functions

1

function changecount(temp:Array ):int {
var count:int=0;
for (var i:int =0; i<temp.length()-1; i++) {
if ((temp*-temp[i+1]!=0)) {
count=count+1;
}
}
trace(count);
return count;
}

var tm:Array =new Array([1 ,2 , 3]);
trace(changecount™);

TypeError: Error #1006: value is not a function.
at Untitled_fla::MainTimeline/ch()
at Untitled_fla::MainTimeline/Untitled_fla::frame1()