onMove: function(left,top){
var opt = $(this).window('options');
app.left = opt.left;
app.top = opt.top;
if (left < 0) {
$(this).window('move', {
left : 1
});
}
if (top < 0) {
$(this).window('move', {
top : 1
});
}
var width = parseInt($(this).parent().css('width'));
var height = parseInt($(this).parent().css('height'));
var parentWidth = $(window).width();
var parentHeight = $(window).height();
if (left > parentWidth - width) {
$(this).window('move', {
"left" : parentWidth - width
});
}
if (top > parentHeight - height) {
$(this).window('move', {
"top" : parentHeight - 45 - height
});
}
}