function click() {
if (event.button==2) {
	if(document.all.auto.status==true){document.all.auto.status=false;alert("\u81ea\u52a8\u6eda\u5c4f\u5df2\u7ecf\u505c\u6b62\u4e86\uff01")}
	scroller();
	}
}
document.onmousedown=click
var position = 0; 
function scroller() {
if (document.all.auto.status==true){ 
	position++; 
	scroll(0,position); 
	clearTimeout(timer); 
	var timer = setTimeout("scroller()",50); 
	timer;
	}
else{
	clearTimeout(timer);
	}
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}