function onSearchError(form_object, input_object, object_value, error_message)
    {
	alert(error_message);
       	return false;	
    }


function formHasValue(obj, obj_type)
    {
    if (obj_type == "TEXT" || obj_type == "PASSWORD")
	{
    	if (obj.value.length == 0) 
      		return false;
    	else 
      		return true;
    	}
    else if (obj_type == "SELECT")
	{
        for (i=0; i < obj.length; i++)
	    	{
		if (obj.options[i].selected)
			return true;
		}
       	return false;	
	}
    else if (obj_type == "SINGLE_VALUE_RADIO" || obj_type == "SINGLE_VALUE_CHECKBOX")
	{
		if (obj.checked)
			return true;
		else
       		return false;	
	}
    else if (obj_type == "RADIO" || obj_type == "CHECKBOX")
	{
        for (i=0; i < obj.length; i++)
	    	{
		if (obj[i].checked)
			return true;
		}

       	return false;	
	}
	}


function  checkForm(formThis)
    {
    if  (!formHasValue(formThis.SearchVar, "TEXT" )) 
        {
        if  (!onSearchError(formThis, formThis.SearchVar, formThis.SearchVar.value, "Please entire a value to search on"))
            {
            return false; 
            }
        }
    return true;
    }