add: if (button.offsetWidth < 2*jsMath.em) {button.style.width = "auto"} 
context:   Button: function () {    var button = jsMath.Setup.DIV("button",{});    button.title = ' Open jsMath Control Panel ';    button.innerHTML = 'jsMath';    button.onclick = new Function("jsMath.Controls.Panel()");    if (!this.cookie.button) {button.style.display = "none"}  },
meta: 7708	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7708/a844e1ec626c2b970c32377c4ad06bb088afa9bd/jsMath.js/buggy/htdocs/jsMath/uncompressed/jsMath.js