function CU_validate(){
  mform=document.forms.mainform;

  var CheckObj=new Array();
  CheckObj[0]=new Object();
  CheckObj[0].field='CU[Name]';
  CheckObj[0].message='Name';

  CheckObj[1]=new Object();
  CheckObj[1].field='CU[Company Name]';
  CheckObj[1].message='Company Name';

  CheckObj[2]=new Object();
  CheckObj[2].field='CU[Email Address]';
  CheckObj[2].message='Email Address';

  var Message='';
  firsterror=-1;
  for (i=0;i<3;i++){
    if (mform[CheckObj[i].field].value==''){
      Message=Message+'\n   -  '+CheckObj[i].message;
      if (firsterror==-1) firsterror=i;
    }
  }
  if (Message!=''){
    alert('Please complete the following fields : '+Message);
    mform[CheckObj[firsterror].field].focus();
  }else{
    mform['module'].value='';
    mform['CU_action'].value='SendOK';
    mform.submit();
  }
}