function ValidateForm(form)
{
     if(form.compname.value=="")
   { 
      alert('Please enter a company name') 
      form.compname.focus(); 
      return false; 
   }  
 if(form.contname.value=="")
   { 
      alert('Please enter a contact name') 
      form.contname.focus(); 
      return false; 
   }  
      
   if(form.email.value=="")
   { 
      alert('Please enter your email')
      form.email.focus(); 
      return false; 
   }    
   
    if(form.telephone.value=="")
   { 
      alert('Please enter your telephone number') 
      form.telephone.focus(); 
      return false; 
   }   
   
    if(form.county.value=="")
   { 
      alert('Please enter your county') 
      form.county.focus(); 
      return false; 
   }  
    if(form.distance.value=="")
   { 
      alert('Please enter the maximum distance you are willing to travel for work') 
      form.distance.focus(); 
      return false; 
   }    
    if(form.avgrate.value=="")
   { 
      alert('Please the average rate you charge per square metre of block paving') 
      form.avgrate.focus(); 
      return false; 
   } 
 return true;
 }