/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */
$.fn.droppy = function(options) {
	
  options = $.extend({speed: 450}, options || {});
  
  this.each(function() {
    
    var root = this, zIndex = 1000;
    
    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).slideUp(options.speed);
        }
      }, 500);
    }
  
    function show() {
      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'); }
    );
    
  });
  
};



//add
$(function() {
   $('#nav').droppy();
});





//globalNavi controll
if(window.addEventListener) {
	window.addEventListener("load",globalControll,false);
}else if(window.attachEvent) {//for ie
	window.attachEvent("onload",globalControll);
}


//preload globalImage
function globalControll(){
	
	for(var i=1; i<6; i++){
		var img_on = new Image();
		img_on.src = 'images/globalnavi_0' + i + '_on.jpg';
	}
	
	/*var gn1 = document.getElementById('aboutTop');
	var gn2 = document.getElementById('businessTop');
	var gn3 = document.getElementById('productsTop');
	var gn4 = document.getElementById('gn_recruit');*/


	/*gn1List.onmouseover = function() {
		gn1.src = gn1.src.replace(".jpg","_on.jpg");
	}
	gn1List.onmouseout = function() {
		gn1.src = gn1.src.replace("_on.jpg",".jpg");
	}*/
	
	
	/*var imgNode = document.getElementsByTagName('img');
	var global = [];

	for(var i=0; i<imgNode.length; i++){
		var name = imgNode[i].className.substr(0,6);
		
		if(name == 'global'){
			global.push(imgNode[i]);
		}
	}
	
	var node;
	
	for(i=0; i<global.length; i++){
		node = global[i];
		
		switch(node.className){
			case 'global2':
			node.target = gn1;
			break;
			
			case 'global3':
			node.target = business;
			break;
			
			case 'global4':
			node.target = products;
			break;
			
			case 'global5':
			node.target = recruit;
			break;
		}
		
		node.onmouseover = function() {
			this.target.src = this.target.src.replace(".jpg","_on.jpg");
		}
		node.onmouseout = function() {
			this.target.src = this.target.src.replace("_on.jpg",".jpg");
		}
	}*/
}