function checkform_contact_form_submitted(form) { 
		
				offsubmitscontact_form_submitted(form); 
		if (form.name.value == "") {
				   alert( "Please enter a value for the 'name' field" );
				   form.name.focus();
				   
				 	  swtichsubmitscontact_form_submitted(form);
					  return false;
				  }
				  if (form.email.value == "") {
				   alert( "Please enter a value for the 'e-mail' field" );
				   form.email.focus();
				   
				 	  swtichsubmitscontact_form_submitted(form);
					  return false;
				  }
				  if (form.subject.value == "") {
				   alert( "Please enter a value for the 'subject' field" );
				   form.subject.focus();
				   
				 	  swtichsubmitscontact_form_submitted(form);
					  return false;
				  }
				  if (form.comments.value.length < 10) {
				   alert( "Please enter a longer value for the 'comments' field" );
				   form.comments.focus();
				   
				 	  swtichsubmitscontact_form_submitted(form);
					  return false;
				  }
				  }
		
				function swtichsubmitscontact_form_submitted(form) {
				
					form.contact_submit.disabled=false;
					form.contact_submit.value='Submit Contact Form';
				 
				}
				function offsubmitscontact_form_submitted(form) {
				
					form.contact_submit.disabled=true;
					form.contact_submit.value='Please wait...';
				 
				}