//Core javascript functionality

	function fnClickPanel(strId) {
		if (document.all['' + strId].style.display == 'none') {
				document.all['' + strId].style.display = 'block';
			} else {
				document.all['' + strId].style.display = 'none';
			}
	}

if (document.images) {
    obbuttonup       = new Image();
    obbuttonup.src   = "graphics/online_booking_new.jpg" ;
    obbuttondown     = new Image() ;
    obbuttondown.src = "graphics/online_booking_new_on.jpg" ;

    callbuttonup       = new Image();
    callbuttonup.src   = "graphics/online_booking_ph_new.jpg" ;
    callbuttondown     = new Image() ;
    callbuttondown.src = "graphics/online_booking_ph_new_on.jpg" ;
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}