var cursorText;

var moveCursor = function(e)
{
	if(!e)
		e = window.event;
	cursorText = document.getElementById("cursorText");
	if(e.clientX > 180 && e.clientY > 100)
	{
		cursorText.style.left = (document.documentElement.scrollLeft + document.body.scrollLeft + e.clientX + 10) + "px";
		cursorText.style.top = (document.documentElement.scrollTop + document.body.scrollTop + e.clientY + 20) + "px";
	}
	else
	{
		cursorText.style.top = "-100px";
		cursorText.style.left = "-100px";
		document.onmousemove = null;
	}
}
function loadImg(img)
{
	var p;
	var large = (img.width - img.height >= 0) ? img.width : img.height;
	if(img.width > 100 || img.height > 100)
	{
		p = 100 / large;
		img.width = img.width * p;
	}
}
function download(theme, topic, id)
{
	window.open("/Download?theme=" + theme + "&topic=" + topic + "&id=" + id);
}
function downloadJPEG(theme, topic, id)
{
	window.open("/DownloadJPEG?theme=" + theme + "&topic=" + topic + "&id=" + id);
}
function tip()
{
	alert("請點擊左鍵下載。");
	return false;
}