function formemail(emailStr){if(!window.RegExp){if(emailStr.indexOf("@")>=0){return true}return false}var emailPat=/^(.+)@(.+)$/;var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";var validChars="\[^\\s"+specialChars+"\]";var quotedUser="(\"[^\"]*\")";var ipDomainPat=/^\[(\d{1,6})\.(\d{1,6})\.(\d{1,6})\.(\d{1,6})\]$/;var atom=validChars+'+';var word="("+atom+"|"+quotedUser+")";var userPat=new RegExp("^"+word+"(\\."+word+")*$");var domainPat=new RegExp("^"+atom+"(\\."+atom+")*$");var matchArray=emailStr.match(emailPat);if(matchArray==null){return false}var user=matchArray[1];var domain=matchArray[2];if(user.match(userPat)==null){return false}var IPArray=domain.match(ipDomainPat);if(IPArray!=null){for(var i=1;i<=4;i++){if(IPArray[i]>255){return false}}return true}var domainArray=domain.match(domainPat);if(domainArray==null){return false}var atomPat=new RegExp(atom,"g");var domArr=domain.match(atomPat);var len=domArr.length;if(domArr[domArr.length-1].length<2||domArr[domArr.length-1].length>6){return false}if(len<2){return false}return true}function formlength(fieldvalue,minlength,maxlength){if(fieldvalue.length<minlength){return false}if(fieldvalue.length>maxlength){return false}return true}function check_email(field){if(!formemail(field.value)){return 0}else{return 1}}function check_text(field,min,max){if(!formlength(field.value,min,max)){return 0}else{return 1}}function check_checkbox(field){if(!field.checked){return 0}else{return 1}}function check_radio(field){var checked=false;for(i=0;i<field.length;i++){if(field[i].checked){checked=true}}if(!checked){return 0}else{return 1}}function check_select(field){fieldvalue=field.options[field.selectedIndex].value;if((fieldvalue>0)||((fieldvalue!='0')&&(fieldvalue!=''))){return 1}else{return 0}}function check_kindercheck(field){fieldvalue=field.options[field.selectedIndex].value;if(fieldvalue>0){var result=1;for(i=1;i<=fieldvalue;i++){agevalue=document.getElementById("age"+i).options[document.getElementById("age"+i).selectedIndex].value;if(agevalue==''){result=0}}return result}else{return 1}}