

function bookmarksite(title, url){
  if (document.all)
  window.external.AddFavorite(url, title);
  else if (window.sidebar)
  window.sidebar.addPanel(title, url, "")
}

function hasValue(obj, obj_type) {
	if (obj_type == "TEXT" || obj_type == "PASSWORD" || obj_type == "TEXTAREA" || obj_type == "FILE")	{
		if (obj.value.length == 0) 
			return false;		
		else 
			return true;
	}	else if (obj_type == "SELECT") {
		if (obj.type != "select-multiple" && obj.selectedIndex == 0)
			return false;
		else if (obj.type == "select-multiple" && obj.selectedIndex == -1)
			return false;
		else
			return true;
	}	else if (obj_type == "RADIO" || obj_type == "CHECKBOX")	{
		if (obj[0]) {
			for (i=0; i < obj.length; i++) {
				if (obj[i].checked)
					return true;
			}
		} else {
			return (obj.checked);
		}
		return false;	
	}
}
function checkinteger(object_value) {
	if (object_value.length == 0)
		return true;
	
	var decimal_format = ".";
	var check_char;
	
	check_char = object_value.indexOf(decimal_format);
	if (check_char < 1)
		return checknumber(object_value);
	else
		return false;
}

function checknumber(object_value) {
	if (object_value.length == 0)
		return true;
	
	var start_format = " .+-0123456789";
	var number_format = " .0123456789";
	var check_char;
	var decimal = false;
	var trailing_blank = false;
	var digits = false;
	
	check_char = start_format.indexOf(object_value.charAt(0));
	if (check_char == 1)
		decimal = true;
	else if (check_char < 1)
		return false;
	 
	for (var i = 1; i < object_value.length; i++)	{
		check_char = number_format.indexOf(object_value.charAt(i))
		if (check_char < 0) {
			return false;
		} else if (check_char == 1)	{
			if (decimal)
				return false;
			else
				decimal = true;
		} else if (check_char == 0) {
			if (decimal || digits)	
			trailing_blank = true;
		}	else if (trailing_blank) { 
			return false;
		} else {
			digits = true;
		}
	}	
	
	return true;
}

function checkemail(object_value) {
	if (object_value.length == 0)
		return true;
	
	if (!(object_value.indexOf("@") > -1 && object_value.indexOf(".") > -1))
		return false;    
	
	return true;
}
