function showBlock(obj, bid)
{
var xblock = document.getElementById(bid).style.display;
if (xblock == "block")
{
document.getElementById(bid).style.display = "none";
obj.style.background = "url(resources/expand_sign.gif) no-repeat top left";
}
else if (xblock == "none")
{
document.getElementById(bid).style.display = "block";
obj.style.background = "url(resources/collapse_sign.gif) no-repeat top left";
}
}
function popup(link, title)
{
var win = window.open('','preview', 'width=50, height=50, left=0, top=0, resizable=1, scrollbar=1, status=0, menubar=0, toolbar=0, titlebar=0, addressbar=0');
var winDoc = win.document;
var content = "" +
""+title+"" +
"![](\"")
"+
"";
win.document.write(content);
winDoc.body.onload = function()
{
var obj = winDoc.getElementById('image');
var w = obj.width;
var h = obj.height;
var iHeight= document.body.clientHeight, iWidth = self.innerWidth;
var left = (self.opera ? iWidth : screen.availWidth)/2 - w/2;
var top = (self.opera ? iHeight : screen.availHeight)/2 - h/2;
win.resizeTo(w+12,h+85);
win.moveTo(left, top);
}
win.onload = winDoc.body.onload;
win.document.close();
win.focus();
}