Change color after click on checkbox in grid using javascript

//Javascript Code
function changeColor(CheckBoxObj)
{
if (CheckBoxObj.checked == true) {
CheckBoxObj.parentNode.parentNode.style.backgroundColor='#88AAFF';
}
else
{
CheckBoxObj.parentNode.parentNode.style.backgroundColor='';
}
}

call it check box onclick event
onclick="changeColor(this);"