104、鼠标移动方向图形

104、鼠标移动方向图形

SCRIPT LANGUAGE="JavaScript">

<!-- Begin

var x, y, xold, yold, xdiff, ydiff;

var dir = Array();

dir[0] = "n-resize";

dir[1]="ne-resize";

dir[2]="e-resize";

dir[3]="se-resize";

dir[4] = "s-resize";

dir[5]="sw-resize";

dir[6]="w-resize";

dir[7]="nw-resize";

document.onmousemove = FindXY;

function display(direction) {

document.body.style.cursor = dir[direction];

}

function FindXY(loc) {

x = (document.layers) ? loc.pageX : event.clientX;

y = (document.layers) ? loc.pageY : event.clientY;

xdiff = x - xold;

ydiff = y - yold

if ((xdiff <  2) && (ydiff < -2)) display(0);

if ((xdiff <  2) && (ydiff >  2)) display(4);

if ((xdiff >  2) && (ydiff <  2)) display(2);

if ((xdiff < -2) && (ydiff <  2)) display(6);

if ((xdiff >  2) && (ydiff >  2)) display(3);

if ((xdiff >  2) && (ydiff < -2)) display(1);

if ((xdiff < -2) && (ydiff >  2)) display(5);

if ((xdiff < -2) && (ydiff < -2)) display(7);

xold = x;

yold = y;

}

//  End -->

</script>

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