function checkrequestform(){
        var ok;
        with (document.emailform){
                if (!isLetternumber(company,'please check company')){
                        return false;}
                if (isBlank(name,'please check surname')){
                        return false;}
                if (!isLetternumber(name,'please check surname')){
                        return false;}
                if (isBlank(firstname,'please check first name')){
                        return false;}
                if (!isLetternumber(firstname,'please check first name')){
                        return false;}
                if (!isLetternumber(position,'please check position')){
                        return false;}
                if (!isLetternumber(phone,'please check phone')){
                        return false;}
                if (!isLetternumber(fax,'please check fax')){
                        return false;}
                if (!isLetternumber(email,'please check email')){
                        return false;}
                if (!isEmail(email,'please check email')){
                        return false;}
                if (!noContact(phone,'phone or email please')){
                        return false;}
                if (!isLetternumber(url,'please check internet')){
                        return false;}
                if (!isLetternumber(subject,'please check subject')){
                        return false;}
                if (!isLetternumber(message,'please check message')){
                        return false;}
                if (!ismax1000(message,'your message is too long (max. 1000)')){
                        return false;}
        }
}