function Trim(sString){
  var start = -1;
  var end = -1;
           
  if(sString.length != 0){
    for(var i = 0;i < sString.length; i++){
      if(sString.charAt(i) != " "){
	if(start < 0){ 
	  start = i;
	}
	if(start >= 0){
	  end = i;
	}        
      }    
    }
     return sString.substring(start,end + 1); 
  }
  return sString;
}