Textareafields dock over form after scrolling issue(using 1.0.1a)

[manishbit81]

Hello all ..........please solve this issue.

When I am scrolling the form containing text in textarea field then it docks over the form.how i can solve this kind of problem.

[mitchellsimoens]

Why does it dock? This isn't default behavior so can we get some code?

[manishbit81]

{
xtype: 'fieldset',
defaults: {
labelWidth: '40%',
},
items: [{ xtype: 'textareafield',

id:'txtid',
name: 'task[description]',
style: 'height:150px;',
maxLength : 60,
maxRows : 20,
label: 'List Description'
}]
},