rem: this.previewSmallDOMNode.src = ''; 
add: this.previewSmallDOMNode.src = DBFORMS2_IMG_NULLIMG; 
context:     this.updatePreviewAndTooltip = function() {        if(this.isImage) {            if(dbforms2_helpers.isImage(this.value)) {                this.previewSmallDOMNode.src = bx_webroot + DBFORMS2_IMG_PREVIEW_SMALL_DIR + this.value;                bx_tooltip.prepare(this.previewLargeDOMNode, bx_webroot + DBFORMS2_IMG_PREVIEW_LARGE_DIR + this.value);            } else {                this.previewSmallDOMNode.src = '';                bx_tooltip.remove(this.previewLargeDOMNode);            }        }    }
meta: 6621	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6621/4d0d0c49fe67ad71b2ee99e14c7ee4bc3db22eaa/fields.js/clean/webinc/plugins/dbforms2/fields.js