function checkAll(){ 
document.profile.z150.checked = true; 
document.profile.z151.checked = true; 
document.profile.z152.checked = true; 
document.profile.z153.checked = true; 
document.profile.z109.checked = true; 
document.profile.z107.checked = true; 
} 
function unCheckAll(){ 
document.profile.z150.checked = false; 
document.profile.z151.checked = false; 
document.profile.z152.checked = false; 
document.profile.z153.checked = false; 
document.profile.z109.checked = false; 
document.profile.z107.checked = false; 
}