How to check mouse paste event using javascript for IE and FireFox

[Sandilian]

Hi all. i need help. i have two text boxes in Web application. When i enter data in first textbox second will enable automatically. i have written javascrit of onblur and onchanges and onkeyup event to enable the second textbox, it works fine but the problem is when i copied and pate it in first textbox throw the mouse event the second textbox is not enabled. i tried onpaste event but it does not help me to solve this problem. any idea to solve this problem?