parseFormToJSON.js

// requires jQuery or similar
function parseFormToJSON (pcSelector) {
        var aFieldsArray = $(pcSelector).serializeArray(),
        	oJSON = {},
                i = 0;
            
        for (i = 0; i < aFieldsArray.length; i++) {
        	oJSON[aFieldsArray[i].name] = aFieldsArray[i].value;
        }
            
        return oJSON;
}