jQuery(document).ready(function(){
	$(".thumbnails li").hover(
		function(){
			var iconName = $(this).find("img").attr("src");
			var origen = iconName.split("x.")[0];
			$(this).find("img").attr({src: "" + origen + "over.jpg"});
		}, 
		function(){
			var iconName = $(this).find("img").attr("src");
			var origen = iconName.split("over.")[0];
			$(this).find("img").attr({src: "" + origen + "x.jpg"});
			
		});
});

// Rollover behaviors and preloading images.
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_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_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_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];}
}

// Image Preloading

// DOM ready
$(function () {

			// image source
			var images = new Array();
				images[0] = 'assets/thumbnails/img-high-density-x.jpg';
				images[1] = 'assets/thumbnails/img-floating-city-x.jpg';
				images[2] = 'assets/thumbnails/img-slow-urbanism-x.jpg';

			// loop through matching element
			$("ul.thumbnails li").each(function(index,el){
					// new image object
			        // var img = new Image();
					// image onload
			        $(img).load(function () {
						// hide first
			            $(this).css('display','none'); // since .hide() failed in safari
						//
			            $(el).removeClass('loading').append(this);
			            $(this).fadeIn();
			        }).error(function () {
						$(el).remove();
			        }).attr('src', images[index]);
			});

		});