function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// Navigation
(function($) {
	var open_count = 0;	  
	
	function Nav(elem, options) {
		var defaults = {
			over: makeTall, // function = onMouseOver callback (REQUIRED)
			out: makeShort // function = onMouseOut callback (REQUIRED)};
		}; 
		var options = $.extend(defaults, options||{});  
		elem.find('li').hoverIntent(options).hover(function() {
			$(this).addClass("subhover"); //On hover over, add class "subhover"
		}, function(){	//On Hover Out
			$(this).removeClass("subhover"); //On hover out, remove class “subhover”
		});
		elem.children().each(function(index, Element){				// Setup li's for each sub-nav
			$(this).find('li').css('float', 'none');
			$(this).find('li').each(function(index, Element){
				if(index >= 18){
					$(this).parent().height(20*18);
					$(this).css('margin-left', 170 * Math.floor(index / 18));
					if (index % 18 == 0) $(this).css('margin-top', -(20*18) );
				}
			});
		});
		function makeTall() {
			if($(this).children("ul.subnav li").size() > 18){				// If more than 15 elements, make wider
				$(this).children("ul.subnav").css('width', 170 * Math.floor(($(this).children("ul.subnav li").size() +17) / 18));
			};
			$(this).children("ul.subnav").slideDown('fast').show();
			if (open_count == 0) $("#teasers").children().fadeTo("fast",0.5);
			open_count++;
		};
		function makeShort(){
			open_count--;
			$(this).children("ul.subnav").slideUp('normal', function(){
				if (open_count == 0) $("#teasers").children().fadeTo("slow",1.0);																	 
			});
		};
	};

	$.fn.nav = function(options) {  									// Method to attach rotator nav to elements
  		var defaults = {
			sensitivity: 7, // number = sensitivity threshold (must be 1 or higher)
			interval: 100, // number = milliseconds for onMouseOver polling interval
			timeout: 400 // number = milliseconds delay before onMouseOut
		};  
  		var options = $.extend(defaults, options||{});       
		return this.each(function()
		{
    		var el = new Nav($(this), options);
    		$(this).data("rotator", el);  
    	});        
 	}; 
})(jQuery);

$(function(){						// On Ready	
	$("ul.topnav").nav();			// Attach Navigation
	
});