function characterCount(field,count,maxchars){var realchars=field.value.replace(/\t|\r|\n|\r\n/g,'');var excesschars=realchars.length-maxchars;if(excesschars>0){field.value=field.value.substring(0,excesschars);alert("Error:\n\n- You are only allowed to enter up to"+maxchars+" characters.");}else{count.value=maxchars-realchars.length;}}