Converts Sharepoint ASMX XML to JSON or filter SVC call to needed fields

SharepointXML2JSON.js

function filterJSObject (obj) { 
	//Sharepoint SVC Call - returns JSON
	return JSON.parse(JSON.stringify(obj,_filterJsObj)); 
	
	function _filterJsObj (key, value) {
		var badattr ='__type __metadata Attachments ContentType ContentTypeID Created CreatedBy CreatedById Id Modified ModifiedBy ModifiedById Owshiddenversion Path Version'.split(" ");
		return (badattr.indexOf(key) > -1) ? undefined : value;		
	}
}

function xml2JsObject ( xml ) {
	var results = {} , 
	badattr = 'ows__type ows_Attachments ows_LinkTitle ows_MetaInfo ows__ModerationStatus ows__Level ows_ID ows_UniqueId ows_owshiddenversion ows_FSObjType ows_Created_x0020_Date ows_Created ows_FileLeafRef ows_PermMask ows_Modified ows_FileRef ';
      
	$(xml).filterNode('z:row').each( function( i ) {
		var tmp = 0, 
		thisrow = {}, 
		current,
		len = this.attributes.length-1;

		while( tmp <= len) {
			current = this.attributes[tmp].name;
			if ( badattr.indexOf( current ) === -1 ) {
				thisrow[current] = this.attributes[tmp].nodeValue;
			}
			tmp++;
		}
      results[i] = thisrow;
	});
	return results;
}

$.fn.filterNode = function (name) { //sharepoint asmx fix for node z:row
    return this.find('*').filter(function () {
        return this.nodeName === name;
    });
};