add:  if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 ) value = undefined; 
context: 	css: function( key, value ) {		return this.attr( key, value, "curCSS" );	},
meta: 1307	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1307/0a755f6ab38d36ffda02f9ff5a6d606c24a94baa/core.js/clean/src/core.js