function validateFieldsEN()
{
     validateEmail();
     if(document.getElementById("chkAdvertiser").checked==false &&
	   document.getElementById("chkPublisher").checked  ==false &&
       document.getElementById("chkMedia").checked      ==false &&
	   document.getElementById("chkWebbplatsen").checked==false &&
	   document.getElementById("chkAffiliate").checked  ==false )
	{
	  alert("You must select at least one option, My request concerns.");
	  return false;
	}

	if(document.getElementById("txtComment").value  =="") 
	{
	  alert("Question or comment is incorrect");
	  return false;
	}

	if(document.getElementById("txtFirstname").value=="") 
	{
	  alert("First name is incorrect");
	  return false;
	}

	if(document.getElementById("txtLastname").value =="") 
	{
	  alert("Last name is incorrect");
	  return false;
	}

	if(document.getElementById("txtEmail").value    =="") 
	{
	  alert("E-mail adress is incorrect");
	  return false;
	}

	if(document.getElementById("txtCountry").value  =="")
	{
	  alert("Country of residence is incorrect");
	  return false;
	}
  return true;
}
function validateFieldsSU()
{

       validateEmail();
       if(document.getElementById("chkAdvertiser").checked ==false &&
	   document.getElementById("chkPublisher").checked  ==false &&
       document.getElementById("chkMedia").checked      ==false &&
	   document.getElementById("chkWebbplatsen").checked==false &&
	   document.getElementById("chkAffiliate").checked  ==false )
	{
	  alert("Du måste välja minst ett alternativ, Min förfrågan gäller.");
	  return false;
	}

	if(document.getElementById("txtComment").value  =="")
	{
	  alert("Fråga eller kommentar  is incorrect");
	  return false;
	}
	if(document.getElementById("txtFirstname").value=="")
	{
	  alert("Efternamn is incorrect");
	  return false;
	}
	if(document.getElementById("txtLastname").value =="")
	{
	  alert("Förnamn is incorrect");
	  return false;
	}
	if(document.getElementById("txtEmail").value    =="")
	{
	  alert("Epost is incorrect");
	  return false;
	}
	if(document.getElementById("txtCountry").value  =="")
	{
	  alert("Bosättningsland is incorrect");
	  return false;
	}
  return true;
}

function validateEmail()
{
   var obj = document.getElementById("txtEmail");
   var s   = obj.value;
   var filter=/^[A-Za-z][A-Za-z0-9_]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
   if (!filter.test(s))
     obj.value="";
}

function dimTxtArea()
{
   var obj = document.getElementById("txtComment");
   
   if(obj.value.length>255)
   {
      obj.value = obj.value.substring(0,254);
   }
   
}