function selectTag(m) {
   for (var i=1;i<=8;i++) {
	if (i==m) {
	 document.getElementById("tag_"+m).className = "tagContent selectTag";
	 continue;
	}
	 document.getElementById("tag_"+i).className = "tagContent";
	}
}
function showtop(n) {
   for (var i=1;i<=2;i++) {
	if (i==n) {
	 document.getElementById("topshow"+n).style.display = 'block';
	 document.getElementById("toptype"+n).className = "topselected";
	 continue;
	}
	 document.getElementById("topshow"+i).style.display = "none";
	 document.getElementById("toptype"+i).className = "topunselected";
	}
}
function showpl(n) {
   for (var i=1;i<=2;i++) {
	if (i==n) {
	 document.getElementById("pl_show_"+n).style.display = 'block';
	 document.getElementById("pl_"+n).className = "hotselected";
	 continue;
	}
	 document.getElementById("pl_show_"+i).style.display = "none";
	 document.getElementById("pl_"+i).className = "unhotselected";
	}
}
function showclass(n) {
   for (var i=1;i<=4;i++) {
	if (i==n) {
	 document.getElementById("c_box_"+n).style.display = 'block';
	 document.getElementById("class"+n).className = "selected";
	 continue;
	}
	 document.getElementById("c_box_"+i).style.display = "none";
	 document.getElementById("class"+i).className = "unselected";
	}
}
function showjs(n) {
   for (var i=1;i<=3;i++) {
	if (i==n) {
	 document.getElementById("show_js_"+n).style.display = 'block';
	 document.getElementById("js"+n).className = "selected";
	 continue;
	}
	 document.getElementById("show_js_"+i).style.display = "none";
	 document.getElementById("js"+i).className = "unselected";
	}
}
function copyUrl() {
	var url = window.location;
	window.clipboardData.setData('text',''+url)
	alert('网址已经成功复制,通过MSN,QQ. Ctrl+V送你好友共享！');	
}
function popup(szUrl, iWidth, iHeight, bResize, bScroll, bTarget)
{
	iWinLeft = 200;iWinHeight = 100;
	//iWidth = 0;iHeight = 0;

	var szStyle = "";
	szStyle = szStyle + "width=" + iWidth;
	szStyle = szStyle + ",height=" + iHeight;
	szStyle = szStyle + ",left=" + iWinLeft;
	szStyle = szStyle + ",top=" + iWinHeight;
	szStyle = szStyle + ",toolbar=no";

	bResize = 1;
	if(bResize)szStyle = szStyle + ",resizable=yes";
	else szStyle = szStyle + ",resizable=no";
	if(bScroll)szStyle = szStyle + ",scrollbars=yes";
	else szStyle = szStyle + ",scrollbars=no";

	//prompt("", szStyle);
	window.open(szUrl, "_blank", szStyle);
}