imageCylinder02 = new Image();
	imageCylinder05 = new Image();
	imageCylinder02.src = "images/btnOn_02.gif";
	imageCylinder05.src = "images/btnOn_02.gif";
 
	function pbCloseThisWindow()  { 
		if ( confirm("Sure you want to close this window ?") )
		{	window.close();
		}
	}