var winCalendar;
	//-----------------------------------------------------------------------------------------------
    // Open Friendly version
	//------------------------------------------------------------------------------------------------

    function viewCalendar(  ) {
				
			url = "./calendar.php";				
				
			var nWidth="820";
			var nHeight="650";

			var x = (screen.width - nWidth) / 2;
			var y = (screen.height - nHeight) / 2;		

		    /*
			var optionString = "scrollbars=no,location=no,resizable=yes,status=no,";
			optionString += "height=" + nHeight + ",width=" + nWidth;
			optionString += ",screenX="+ x +",screenY="+ y +",top="+ y +",left="+ x;
		   */

			var optionString = "scrollbars=yes,location=no,resizable=yes,status=no,";
			optionString += "height=" + nHeight + ",width=" + nWidth;
			optionString += ",screenX="+ x +",screenY="+ y +",top="+ y +",left="+ x;



		    if (!winCalendar ||winCalendar.closed) {
		    	winCalendar = window.open(url,"calendar_view",optionString);
		    } else {
		    	// window already exists, so bring it forward
			    winCalendar.location.href=url;
			    winCalendar.focus();
			}
			
	}