function ElIn(elId) {
var el = Ext.get(elId);
el.fadeIn( {
endOpacity : 1,
easing : 'easeOut',
duration : 2
});
}
function ElOut(elId) {
var el = Ext.get(elId);
el.fadeOut( {
endOpacity : 0,
easing : 'easeOut',
duration : .5,
useDisplay : true
});
// el.dom.style.display = 'none';
}