function makeurl(host)
{
	var mx=Math.round(tx*100000)/100000;
	var my=Math.round(ty*100000)/100000;
	var url=host+"?loc="+my+","+mx+"&z="+map.getZoom()+"&name=未命名";
	return url;
}
function getmapurl()
{
	var purl=makeurl("http://www.omask.com/maps/");
	var outinfo="<div style=\"width:200px; word-break:break-all;\"><strong>此位置的直接访问网址：<br /><a href=\""+purl+"\"target=\"_blank\">"+purl+"</a></strong><br /></div><br />";
	map.openInfoWindowHtml(map.getCenter(),outinfo);
	window.clipboardData.setData("Text",purl);
	alert("当前位置链接已经复制到剪贴板。");
}