function fun(s)
                       { 
                           if(s.toLowerCase() == 'skólamálradiobutt')
                            {
                               document.getElementById('subtext').style. display='';
                             }
                            else
                             {
                                document.getElementById('subtext').style. display='none';
                              }
                       }
                      function checkSSN(oInp) 
                       {
                             var sSSN = oInp.value;
                             sSSN = sSSN .replace(/-/,'')
                           if((sSSN.length<10)||(sSSN.length>10)) 
                            {
                                 return false;
                             }
                               var iLast = sSSN.slice((sSSN.length - 1))
                            if(iLast != 8 && iLast != 9 && iLast != 10) 
                             {
                                return false;
                              }
                                re = /\D+/;
                                var isNum = re.test(sSSN);
                            if(isNum == true)
                              {
                                 return false;
                              }
                                var arrDig1 = new Array(10)
                                var arrDig2 = new Array(8)
                                var iSum = 0;
                             for (var i = 0; i < 10; i++) 
                               {
                                 arrDig1[i] = sSSN.slice(i,i+1);
                                }
                                  arrDig2[0] = arrDig1[0] * 3;
                                  arrDig2[1] = arrDig1[1] * 2;
                                  arrDig2[2] = arrDig1[2] * 7;
                                  arrDig2[3] = arrDig1[3] * 6;
                                  arrDig2[4] = arrDig1[4] * 5;
                                  arrDig2[5] = arrDig1[5] * 4;
                                  arrDig2[6] = arrDig1[6] * 3;
                                  arrDig2[7] = arrDig1[7] * 2;
                              for (var i = 0; i < 8; i++) 
                                {
                                   var iDig = parseInt(arrDig2[i]);
                                   iSum = iSum + iDig;
                                }
                                   var iLeft = iSum % 11;
                                   var iVart = 11 - iLeft;
                             if((iVart == 11) || (iVart == 10)) 
                               {
                                   iVart = 0;
                               }
                             if(iVart != arrDig1[8]) 
                               {
                                   return false;
                               }
                                   return true;
                        }    
                       function CheckOption(Obj)
                        {
                                 var rValue ="";
                             for(i=0;i<Obj.length;i++)
                             {
                            if(Obj[i].checked)
                                rValue=Obj[i].id
                             }
                                return rValue;   
                             }
                         function validate(Sender)
                          {
                               var re = /^[a-zA-Z][a-zA-Z0-9\-_.]+[@][a-zA-Z0-9]+[.][a-zA-Z][a-zA-Z.]+$/gi; 
        
                                t1=Sender.elements['ComName'];
                                t2=Sender.elements['ComSSN']; 
                                t3=Sender.elements['ComEmail'];
                                t4=Sender.elements['UserName'];
                                t5=Sender.elements['UserSSN'];
                                t6=Sender.elements['UserEmail'];
                                t7=Sender.elements['HvaðQuestarea1']; 
                                t8=Sender.elements['UserDetail'];       
                                t9=Sender.elements['ÁvinningurQuestarea2'];
                                t10=Sender.elements['Quest'];   
                                t11 = Sender.elements['RadioOption']; 
                                t12 = Sender.elements['RadioButtSubText'];
  
                                var sText="";
                                var opt = CheckOption(t11);
								
                            if(opt=="")
                             {
                                sText = sText +"*Choose option\n";
                             }
                            else if(opt.toLowerCase() == 'skólamálradiobutt')
                             {
                           if(t12.value=="")
                             {
                                sText = sText +"*Hvaða skóli\n";
                              }          
                          }  
                           if(t1.value=="")
                             {
                                sText = sText +"*Fyrirtæki/félag\n";
                              }
                           /*if(!checkSSN(t2))
                             {
                                sText = sText +"*Kennitala\n";
                              }
                           if((t3.value.match(re) != t3.value) || (t3.value == ""))
                             {               
                                sText = sText +"*Netfang\n";
                              }       
                           if(t4.value=="")
                             {
                                sText = sText +"*Nafn tengiliðs\n";
                              }
                           if(t8.value=="") 
                              {
                                  sText = sText +"*Símanúmer\n";
                              }
                           if(!checkSSN(t5))
                             {
                                sText = sText +"*Kennitala\n";
                             }*/
                           if((t6.value.match(re) != t6.value) || (t6.value == ""))
                             {
                                 sText = sText +"*Netfang\n";
                              }
                           if(t10.value=="")
                              {
                                   sText = sText +"*Kostnaður/Upphæð\n";
                               } 
                           if(sText!="")
                               {
                                   alert("Eftirfarandi reitir voru ekki rettir!\n"+sText);
                                   return false;
                                }
                             else
                                {
                                    return true;
                                 }
          
                         }