function ltrim(testStr) { 
   if (testStr == "") 
      return ""; 
   else { 
      var pattern = /[^\s]+.*/; 
      result = testStr.match(pattern); 
      if(result!=null)
        return result[0]; 
      else
        return "";
   } 
} 
function rtrim(testStr) { 
   if (testStr == "") 
      return ""; 
   else { 
      var pattern = /.*[\S]/; 
      result = testStr.match(pattern); 
      if(result!=null)
        return result[0]; 
      else
        return "";
   } 
} 

function trim(testStr)
{   
    return testStr.replace(/^\s+|\s+$/g,"");
} 
function MandatoryField(obj,msg)
{
    if(obj.value=="")
    {
        alert(msg);
        obj.focus();
        return false;
    }
    return true;
}

function MatchingFields(obj1,obj2,msg)
{
    if(obj1.value!=obj2.value)
    {
        alert(msg);
        obj1.focus();
        return false;
    }
    return true;
}

function GetSelectedvalue(objLevel)
{
    var rdCol = objLevel.getElementsByTagName('input');
    var lbCol = objLevel.getElementsByTagName('label');
    for (i = 0 ; i < rdCol.length ; i++) {
        var el = rdCol[i];
        var l1 = lbCol[i];
        if (el.type == "radio" && el.checked) {
            return(l1.innerText);
            break;
        }
    }
}