var OpenWindow=null;
	
	function OpenWin(link,width,height)
	{
		if(OpenWindow!=null){
			OpenWindow.close();
			OpenWindow=null;
		}
		
		strFeatures = "top=20,left=20, width=" + width + ", height=" + height + ","
			+ "toolbbar=no,menubar=no,location=no,directories=no,scrollbars=3";

		OpenWindow = window.open(link,"OpenWin",strFeatures);
		window.event.cancelBubble = true;
		window.event.returnValue = false;
		OpenWindow.focus();
		
		return false;
	}