請問個函數 "Status " ?

lingin1204

Status("pxchartbottom");      Status("pxchartheight");
說明:"pxchartleft" - returns x-coordinate of top-left corner of chart area "pxcharttop" - returns y-coordinate of top-left corner of chart area
實際使用後兩個都傳回 " 5 "
, 是說x,y左上角的預留空間嗎?