/*
 * Copyright (c) 2007 Josh Bush (digitalbush.com)
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:

 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE. 
 */
 
/*
 * Version: Beta 1
 * Release: 2007-06-01
 */ 
/* 
(function($) {
    var map=new Array();
    $.Watermark = {
        ShowAll:function(){
            for (var i=0;i<map.length;i++){
                if(map[i].obj.val()==""){
                    map[i].obj.val(map[i].text);                    
                    map[i].obj.css("color",map[i].WatermarkColor);
                }else{
                    map[i].obj.css("color",map[i].DefaultColor);
                }
            }
        },
        HideAll:function(){
            for (var i=0;i<map.length;i++){
                if(map[i].obj.val()==map[i].text)
                    map[i].obj.val("");                    
            }
        }
    }
    
    $.fn.Watermark = function(text,color) {
        if(!color)
            color="#aaa";
        return this.each(
            function(){        
                var input=$(this);
                var defaultColor=input.css("color");
                map[map.length]={text:text,obj:input,DefaultColor:defaultColor,WatermarkColor:color};
                function clearMessage(){
                    if(input.val()==text)
                        input.val("");
                    input.css("color",defaultColor);
                }

                function insertMessage(){
                    if(input.val().length==0 || input.val()==text){
                        input.val(text);
                        input.css("color",color);    
                    }else
                        input.css("color",defaultColor);                
                }

                input.focus(clearMessage);
                input.blur(insertMessage);                                
                input.change(insertMessage);
                
                insertMessage();
            }
        );
    };
})(jQuery);
*/


function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}



function initOverLabels () {
  if (!document.getElementById) return;      

  var labels, id, field;

  // Set focus and blur handlers to hide and show 
  // LABELs with 'overlabel' class names.
  labels = document.getElementsByTagName('label');
  for (var i = 0; i < labels.length; i++) {
    
    if (labels[i].className == 'overlabel') {

      // Skip labels that do not have a named association
      // with another field.
      id = labels[i].htmlFor || labels[i].getAttribute('for');
      if (!id || !(field = document.getElementById(id))) {
        continue;
      }

      // Change the applied class to hover the label 
      // over the form field.
      labels[i].className = 'overlabel-apply';

      // Hide any fields having an initial value.
      if (field.value !== '') {
        hideLabel(field.getAttribute('id'), true);
      }

      // Set handlers to show and hide labels.
      field.onfocus = function () {
        hideLabel(this.getAttribute('id'), true);
      };
      field.onblur = function () {
        if (this.value === '') {
          hideLabel(this.getAttribute('id'), false);
        }
      };

      // Handle clicks to LABEL elements (for Safari).
      labels[i].onclick = function () {
        var id, field;
        id = this.getAttribute('for');
        if (id && (field = document.getElementById(id))) {
          field.focus();
        }
      };

    }
  }
};

function hideLabel (field_id, hide) {
  var field_for;
  var labels = document.getElementsByTagName('label');
  for (var i = 0; i < labels.length; i++) {
    field_for = labels[i].htmlFor || labels[i].getAttribute('for');
    if (field_for == field_id) {
      labels[i].style.textIndent = (hide) ? '-1000px' : '0px';
      return true;
    }
  }
}

function setLabels() {
  setTimeout(initOverLabels, 50);
};

addLoadEvent(setLabels);