add: if ( !wgAjaxUploadDestCheck || !sajax_init_object() ) return; 
context: 	'timeout' : function() {		injectSpinner( document.getElementById( 'wpDestFile' ), 'destcheck' );		// Get variables into local scope so that they will be preserved for the 		// anonymous callback. fileName is copied so that multiple overlapping 		// ajax requests can be supported.		var obj = this;		var fileName = this.nameToCheck;		sajax_do_call( 'UploadForm::ajaxGetExistsWarning', [this.nameToCheck], 			function (result) {				obj.processResult(result, fileName)			}		);	},
meta: 6799	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6799/19ea5ee7f4c1d2f4b5e05ca665ac81429df182b1/upload.js/buggy/skins/common/upload.js