// //
// Copyright 2005 SurveySite. All rights reserved.

// Name: 网页的展开与收缩
// Date: 2005-08-03

function Toggle( secid )
{
	var sectionId = document.getElementById(secid);
	if (sectionId == null) return;
	if (sectionId.style.display == '')
	{
		sectionId.style.display = 'none';
		var ImgSrc = document.getElementById("i" + secid);
		ImgSrc.src = "images/plus.gif";
	}
	else
	{
		sectionId.style.display = '';
		var ImgSrc = document.getElementById("i" + secid);
		ImgSrc.src = "images/nofollow.gif";
	}
}

function Hide( obj )
{
	var oDiv = document.getElementById(obj);
	if(oDiv != null) oDiv.style.display = "none";
}

function startA(id)
{
	document.write('<a href="javascript:Toggle(\'' + id + '\')" style="text-decoration:none;">');
}

function endA()
{
	document.write('</a>');
}

function writePM(id)
{
	var isPF = (typeof(IsPrinterFriendly) != "undefined");
	document.write('<a href="javascript:Toggle(\'s' + id + '\')"><img width="9" height="9" border="0" id="is' + id + '" src="images/'+(isPF?'minus':'plus')+'.gif"></a>');
}

function chkHide(id)
{
	var isPF = (typeof(IsPrinterFriendly) != "undefined");
	if(document.getElementById && !isPF){ Hide(id); }
}