var ro_capable = true;

// nav buttons

imgArray = new Array();
imgArray[0] = false;

imgArray[1] = new Array();
imgArray[1][0] = new Image; imgArray[1][0].src = 'images/nav_up_03.gif';
imgArray[1][1] = new Image; imgArray[1][1].src = 'images/nav_d0_03.gif';

imgArray[2] = new Array();
imgArray[2][0] = new Image; imgArray[2][0].src = 'images/nav_up_05.gif';
imgArray[2][1] = new Image; imgArray[2][1].src = 'images/nav_up_05.gif';

imgArray[3] = new Array();
imgArray[3][0] = new Image; imgArray[3][0].src = 'images/menu/response_nm.gif';
imgArray[3][1] = new Image; imgArray[3][1].src = 'images/menu/response_mo.gif';

imgArray[4] = new Array();
imgArray[4][0] = new Image; imgArray[4][0].src = 'images/menu/mrk2-up.gif';
imgArray[4][1] = new Image; imgArray[4][1].src = 'images/menu/mrk2-over.gif';

imgArray[5] = new Array();
imgArray[5][0] = new Image; imgArray[5][0].src = 'images/menu/mrk3-up.gif';
imgArray[5][1] = new Image; imgArray[5][1].src = 'images/menu/mrk3-over.gif';

imgArray[6] = new Array();
imgArray[6][0] = new Image; imgArray[6][0].src = 'images/menu/data_nm.gif';
imgArray[6][1] = new Image; imgArray[6][1].src = 'images/menu/data_mo.gif';