var total=0;
function setValue(theField){
 if(theField.value==null || theField.value=="") theField.value="0";
  if(isInt(theField)){
    total+=parseInt(theField.value);
	document.form1.total.value=total;
  }
}
function isDate(field){
    var content=field.value;
    var pattern=/[0-9]{4}-[0-9]{2}-[0-9]{2}/;
    if(content==null || content=="") return true;
    if(pattern.test(content)){
       return true;
     }else{
      return false;
     }
}

function isEmpty(field){
   var content=field.value;
   if(content=="" || content==null){
    return true;
   }else{
    return false;
  }
}

function isEmpty1(field){
   var content=field.value;
   if(content=="-1" || content==null){
    return true;
   }else{
    return false;
  }
}

function isInt(field){
  var content=field.value;
  var pattern=/[^0-9]/;
  if(pattern.test(content)){
    return false;
  }else{
    return true;
  }
}

//function isInt(field){
//  var content=field.value;
//  var pattern=/[^0-9\.\-]/;
//  if(pattern.test(content)){
//    return false;
//  }else{
//    return true;
//  }
//}

function noSelected(field){
  var content="";
  for(i=0;i<field.length;i++){
     if(field[i].checked){
       content+=field[i].value;
     }
  }
  return content;
}