/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */
$.fn.droppy = function(options) {
    
  options = $.extend({speed: 120}, options || {});
 
  this.each(function() {

    var root = this, zIndex = 2000;
    var chosenRootimg = "";
    
    function getSubnav(ele) {
      if (ele.nodeName.toLowerCase() == 'li') {
        var subnav = $('> ul', ele);
        return subnav.length ? subnav[0] : null;
      } else {
        return ele;
      }
    }
    
    function getActuator(ele) {
      if (ele.nodeName.toLowerCase() == 'ul') {
        return $(ele).parents('li')[0];
      } else {
        return ele;
      }
    }
    
    function hide() {
      var subnav = getSubnav(this);
      if (!subnav) return;
      $.data(subnav, 'cancelHide', false);
      setTimeout(function() {
        if (!$.data(subnav, 'cancelHide')) {
          $(subnav).hide(options.speed);
        }
      }, 100);
    }
  
    function show() {
    
        if($(this).children("a").children('img').length > 0){
            
            var newVal = $(this).children("a").children("img").attr("src");
            newVal = newVal.split("_off").join("_on");
            if($(this).children("a").children("img").attr("name") != ""){
                eval("document.images." + $(this).children("a").children("img").attr("name")).src =newVal;
                
                
                newVal = $(this).children("a").children("img").attr("src");
                
                if(newVal.indexOf("_on.") == -1 ){
                    newVal = newVal.split(".gif").join("_on.gif");
                    eval("document.images." + $(this).children("a").children("img").attr("name")).src =newVal;  
                }
            }
            
            
        }
     
    
      var subnav = getSubnav(this);
      if (!subnav) return;
      $.data(subnav, 'cancelHide', true);
      $(subnav).css({zIndex: zIndex++}).slideDown(options.speed);
      if (this.nodeName.toLowerCase() == 'ul') {
        var li = getActuator(this);
    
        $(li).addClass('hover');
        $('> a', li).addClass('hover');
        
      }
    }
   
    $('ul, li', this).hover(show, hide);
    $('li', this).hover(
        
      function() { $(this).addClass('hover'); $('> a', this).addClass('hover'); },
      function() { $(this).removeClass('hover'); $('> a', this).removeClass('hover'); 
      
     
       if($(this).children("a").children('img').length > 0){ 
             
            var newVal = $(this).children("a").children("img").attr("src");
            
            if(newVal.indexOf("link_") != -1 )
             {
                newVal = newVal.split("_on").join("_off");
                if($(this).children("a").children("img").attr("name") != ""){
                    if($(this).children("a").children("img").attr("name") != currentImage){ 
                        eval("document.images." + $(this).children("a").children("img").attr("name")).src =newVal;
                    }
                }
            }
            
            else{
                newVal = $(this).children("a").children("img").attr("src");
                
                if(newVal.indexOf("_off.") == -1 ){
                    newVal = newVal.split("_on.gif").join(".gif");
                    if($(this).children("a").children("img").attr("name") != ""){
                        eval("document.images." + $(this).children("a").children("img").attr("name")).src =newVal;  
                    }
                }
            }
        }
      
      }
    );
    
  });

};