<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<div style="position: absolute; border: solid 1px">div</div>
<script>
jQuery(function ($) {
var obj = {
PositionX: 25,
width: $('div').width(),
draw: function(){
$('div').css('top', this.PositionX);
alert($('div').css('top'))
}
};
alert(obj.width);
obj.draw();
});
</script>