// Opens a popup window
function PopUpWindow(width,height,source,winname)
	{
		var l = (window.screen.width)/2 - width/2;
		var t = (window.screen.height)/2 - height/2;
		var url="width="+width+",height="+height+",noresize,toolbar=no,menubar=no,scrollbars=yes,left="+l+",top="+t;																									
		var pwin = open(source,winname,url);
		pwin.focus();
	}
	
// Print a document
function prnt()
	{
		if (window.print)
			{
				parent.body.focus();
				parent.body.print();
			}
		else
			{
				alert("Right click in the viewing frame and select 'Print' from the context menu.");
			}
		}