Squiz Matrix Asset Map Sort Order Using Javascript

In a past project I needed a way to change the asset map sort order by dragging items in an asset listing. I figured that it had to be possible, so with a little bit of javascript I wrote up the following function.

Hope it helps someone out!

/**
/**
* Changes the sort order of assets in Squiz Matrix
*
* @param number         id              ID of the asset to move
* @param number         parent          ID of the parent that the asset is under
* @param number         new_position    New position of asset (0 is first in the sort order)
*
* @return string
* @access public
*/
function changeSort(id, parent, new_position) {
        var host_url = location.protocol+'//'+location.host+'?SQ_ACTION=asset_map_request';
        var link_id;
        
        // Construct our XML to send
        var xml_get = '<command action="get assets"><asset assetid="'+parent+'" start="0" limit="150" linkid="10" /></command>';
        
        $.ajax({
                url: host_url,
                type: 'POST',
                processData: false,
                data: xml_get,
                contentType: "text/xml",
                dataType: 'xml',
                success: function(xml) {
                        $(xml).find('asset').each(function() {
                                if ($(this).attr('assetid') == id) {
                                        link_id = $(this).attr('linkid');
                                        $.ajax({
                                                url: host_url,
                                                type: 'POST',
                                                processData: false,
                                                data: '<command action="move asset" to_parent_assetid="'+parent+'" to_parent_pos="'+new_position+'"><asset assetid="'+id+'" linkid="'+link_id+'" parentid="'+parent+'" /></command>',
                                                contentType: "text/xml",
                                                dataType: 'xml',
                                                success: function(xml) {
                                                        //alert(xml);
                                                }
                                        });//end ajax
                                        
                                }//end if
                                
                        });//end each
                        
                }//end success
                
        });//end ajax
        
}//end changeSort()