var warning = "";
function checkForm() {
    if (checkFields()) { 
        for (i=0; i < document.your_contact_form.elements.length; i++) {
    		if (document.your_contact_form.elements[i].value == 0) document.your_contact_form.elements[i].disabled=true;
    	}
    	document.your_contact_form.action = '/cn/_meta/contact/confirmcontact.jsp';
    	document.your_contact_form.submit();
    	return false;
    }
    return false;
}
function checkFields(){
    var check = true;
    if (!checkPhoneEmail()) check = false;
    if (!checkSurname()) check = false;
    if (!checkFirstname()) check = false;
    if (!checkMessage()) check = false;
if (!check) alert(warning);
return check;
}
function showWarning(elem,id) {
    var message = "请填写所有带有*的栏目";
    if (id==1) message = "请填写有效的电邮"; 
    document.getElementsByName(elem)[0].style.border = "1px solid red";
    //alert(message);
    warning = message;
    return false;
}
function checkFirstname(){
    if (document.your_contact_form.firstname.value.length < 2) {
        showWarning("firstname",0);
        document.your_contact_form.firstname.focus();
        return false;
    }
    else return true;
}
function checkSurname(){
    if (document.your_contact_form.surname.value.length < 2) {
        showWarning("surname",0);
        document.your_contact_form.surname.focus();
        return false;
    }
    else return true;
}
function checkMessage(){
    if (document.your_contact_form.message.value.length < 2) {
        showWarning("message",0);
        document.your_contact_form.message.focus();
        return false;
    }
    else return true;
}
function checkPhoneEmail(){
    var chkPhone = true;
    var chkEmail = true;
    var isAdress = true;
	unBorder(document.your_contact_form.phone);
	unBorder(document.your_contact_form.email);
	// ### check phone ###
    if (document.your_contact_form.phone.value.length < 2) chkPhone = false;
    // ### check email ###
    if (document.your_contact_form.email.value.length < 2) chkEmail = false;
    else if ((document.your_contact_form.email.value.indexOf('@') == -1) || (document.your_contact_form.email.value.indexOf('.') == -1)) isAdress = false;
    if (!chkEmail && !chkPhone){       // ### both fields empty ###
        showWarning("phone",0);
        showWarning("email",0);
        document.your_contact_form.email.focus();
        return false;
    } else if (chkEmail && !isAdress){ // ### wrong address format ###
       showWarning("email",1);
       document.your_contact_form.email.focus();
       return false;
    } 
    else return true;
}
function unBorder (obj) {
    obj.style.border = '0';
	// if( (navigator.appName == "Microsoft Internet Explorer" ) && (parseInt(navigator.appVersion) < 7) ) obj.style.borderLeft = "1px solid #cacacb";
    // if ((navigator.userAgent.indexOf('MSIE 6')!=-1) && (obj.tagName.toLowerCase()=='input')) obj.style.borderLeft = '1px solid #cacacb';
    if (((navigator.userAgent.indexOf('MSIE 6')!=-1)||(navigator.userAgent.indexOf('MSIE 7')!=-1))&&(obj.tagName.toLowerCase()=='input')) {
     obj.style.borderLeft = '1px solid #cacacb';
    }
    if ((navigator.userAgent.indexOf('MSIE 7')!=-1)&&(obj.tagName.toLowerCase()=='textarea')) {
     obj.style.borderTop = '1px solid #cacacb';
     obj.style.borderBottom = '1px solid #cacacb';
     obj.style.borderLeft = '1px solid #cacacb';
    }
	return false
}
function showContactAddress (cid) {
    for(i=0;i<contacts.length;i++) {
        c = contacts[i];
        if(c.id == cid) {
            document.getElementById("your_contact").innerHTML = c.adr;
            document.your_contact_form.to.value = c.mail;
        }
    }
    return false;
}
function dummy() {}
function c(s) {
     a = s.split('~');
     var x = new dummy();
     x.id=a.shift();
     x.topic=a.shift();
     x.adr=a.shift();
     x.mail=a.shift();
     contacts.push(x);
}
var contacts = new Array();
c('14336~轨道服务~<p>电话: +49 89 3547 182628<br />电子邮箱: RailServices@knorr-bremse.com</p>~RailServices@knorr-bremse.com');
c('13952~新闻邮件列表~<p><b>Eva Doppler</b><br />电话 +49 89 3547 1498<br />电子邮箱 eva.doppler@knorr-bremse.com</p>~presse@knorr-bremse.com');
c('4801~东南亚独立售后服务热线~<p>+ 852 3657 9800</p>~ ');
c('4800~中国分销商代理热线~<p>Tel: +86 21 3858 5896<br />Fax: +86 21 3858 5901</p>~ ');
c('3338~企业义务工作~<p><b>电话:</b> +49 89 3547 180022<br /><b>传真:</b> +49 89 3547 2331<br /><b>电邮:</b> global.care@knorr-bremse.com</p>~ global.care@knorr-bremse.com');
c('3337~企业社会责任~<p><b>电话:</b> +49 89 3547 1252<br /><b>传真:</b> +49 89 3547 2331<br /><b>电邮:</b> csr@knorr-bremse.com</p>~ csr@knorr-bremse.com');
c('3336~克诺尔集团一般查询~<p><b>电话:</b> +49 89 3547 0<br /><b>传真:</b> +49 89 3547 2767<br /><b>电邮:</b> info@knorr-bremse.com</p>~ info@knorr-bremse.com');
c('3335~就业机会~<p>请按照专题直接与在那里注明的联系人取得联系。 </p><p></p><p>您也可以通过联系表格向我们提问。</p><p></p><p></p>~karriere@knorr-bremse.com');
c('3334~轨道车辆系统销售~<p><b>电话:</b> + 86 512 66165282</p><p><b>电邮:</b>sales.rail.cn@knorr-bremse.com</p>~sales.rail.cn@knorr-bremse.com');
c('3333~对轨道车辆系统投诉管理~<p><b>电话:</b> +49 89 3547 2966</p><p><b>电邮:</b> complaint.sfs@knorr-bremse.com </p>~ complaint.sfs@knorr-bremse.com ');
c('3332~商用车辆系统销售~<p><b>电话:</b>+86 21 38585800<br /><b>传真:</b>+86 21 38585901<br /><b>电邮:</b> sales.CVS.cn@knorr-bremse.com</p>~sales.CVS.cn@knorr-bremse.com');
c('3331~对商用车辆系统投诉管理~<p><b>电话:</b> +49 89 3547 1431<br /><b>传真:</b> +49 89 3547 2262<br /><b>电邮:</b> complaint.sfn@knorr-bremse.com</p>~complaint.sfn@knorr-bremse.com');
c('3330~采购~<p><b>电话: </b>+86 512 6616 5267</p><p><b>传真: </b>+86 512 6615 5813</p><p><b>电邮: </b>purchasing.cn@knorr-bremse.com</p><p></p>~purchasing.cn@knorr-bremse.com');
c('3329~企业传讯部~<p><b>刘慧菁女士</b></p><p><b>电话:</b> +852 3657 9889 <br /><b>传真:</b> +852 3657 9990<br /><b>电邮:</b> corporate.communications.ap@knorr-bremse.com</p>~ corporate.communications.ap@knorr-bremse.com');