var p_num = 0;
$(function() {
	$('.p_link').live('click',function(){
		change($(this).attr('rel'));							   
	});
	$('#p_next').live('click',function(){
		p_next();
	});
	$('#p_prev').live('click',function(){
		p_prev();							   
	});
	for(x in img){
		$.preloadImages(img[x]);
	}
	$('a.fancybox').fancybox();
	$('#portfolio_companies').jScrollPane();
});

function change(p_id){
	id = p_id;
	$('#portfolio_description').html(desc[id]);
	$('#p_image').attr('src','images/site/large/'+img[id][0]);
	$('#p_image_link').attr('href','images/site/large/'+img[id][0]);
	$('#p_image_link').attr('rel',id);
}

function p_next(){
	if((img[id].length - 1) > p_num){
		p_num++;
	}
	else{
		p_num = 0;
	}
	$('#p_image').attr('src','images/site/large/'+img[id][p_num]);
	$('#p_image_link').attr('href','images/site/large/'+img[id][p_num]);
}

function p_prev(){
	if(p_num==0){
		p_num = (img[id].length - 1);
	}
	else{
		p_num--;
	}
	$('#p_image').attr('src','images/site/large/'+img[id][p_num]);
	$('#p_image_link').attr('href','images/site/large/'+img[id][p_num]);
}

jQuery.preloadImages = function(){
  for(var i = 0; i<arguments.length; i++){
    jQuery("<img>").attr("src", arguments[i]);
  }
}