function Trim(s) 
{
  
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }


  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}
function CheckSearchFormNotNull(str)
{
    if (Trim(str)=='')
    {
        return false;
    }
    return true;
}

function IsNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }

function CheckForm(form)
{




    if (form.Q1_1.value==' ' || form.Q1_2.value==' ' || form.Q1_3.value==' ' || form.Q2_1.value==' ' || form.Q2_2.value==' ' || form.Q2_3.value==' ' || form.Q3_1.value==' ' || form.Q3_2.value==' ' || form.Q3_3.value==' ' || form.Q3_4.value==' ')
    {
        alert('Ne viskas ivertinta');
        event.returnValue=false;
    }
    else if ( form.Q1_4.value=='' || !IsNumeric(form.Q1_4.value) || (parseInt(form.Q1_4.value)>100))
    {
        alert('Patikrinti 1.4 lauka');
        event.returnValue=false;
    }
    else
    {
        event.returnValue=true;
    }
    
    




}