[jQuery] interface elements question

[jQuery] interface elements question


I have 4 div.section wich contains div.item(s) the fist one is the
source and the rest are the targets, i can (and i need) move from one to
another but i need to block the drop event from the targets to the sources
With this code, all work
$('.section').Sortable(
{
accept: 'item',
helperclass: 'sortHelper',
activeclass : 'sortableactive',
hoverclass : 'sortablehover',
handle: '.handle',
opacity: 0.7,
tolerance: 'pointer'
}
);

html

div#source.section
div#t1.section
div#t2.section
div#t3.section

btw im using interface elements plugin.