function allareas() 
{	
	var searchform = document.getElementById('searchform');
  for(i=0; i<searchform.area_id.length; i++)		
    searchform.area_id[i].selected = true;
}
function alltypes() 
{	
	var searchform = document.getElementById('searchform');
  for(i=0; i<searchform.property_type_id.length; i++)
    searchform.property_type_id[i].selected = true;
}

function chkFields(myform)
{
  if (myform.Name.value=="")
  {
    alert('Please enter Name');
    myform.Name.focus();
    return false;    
  }
  
  if (myform.Telephone.value=="")
  {
    alert('Please enter Telephone Number');
    myform.Telephone.focus();
    return false;    
  }  

  myform.submit();
}