function numbersonly(_1a,e,dec){var key;var _1e;if(window.event){key=window.event.keyCode;}else{if(e){key=e.which;}else{return true;}}_1e=String.fromCharCode(key);if((key==null)||(key==0)||(key==8)||(key==9)||(key==13)||(key==27)){return true;}else{if((("0123456789").indexOf(_1e)>-1)){return true;}else{if(dec&&(_1e==".")){_1a.form.elements[dec].focus();return false;}else{return false;}}}}