// JavaScript Document

var container_id = '#gal li a';

var cs = $(container_id);


function change_id(s){
	
	$item = $('#gal li a');
	
	for(c=0;c<$item.length;c++){
		$item[c].id = '';
	}
	
	s.id = 'active_gal';
}

var img_array = Array();

var current=0;


function set_imgs(img){
	img_array = explode(',',img);
	var imageId  = Math.random().toString().replace(/./g, "" );
	var newImage  = "<img src='" + img + "' id='" + imageId + "' style='position:absolute; left:-1000px;display:none' width='1px' height='1px' />";
	$(newImage).appendTo( "body" );
	
	
	/*
	for(c=0;c < image.length; c++){
		alert(image[c]);
	}*/
	
	//show first image when click
	change_bg('images/'+img_array[0]);
	
}


function next(){
	if(current+1 == img_array.length){
		change_bg('images/'+img_array[0]);
		current = 0;
	}else{
		// alert( img_array[current+1] );
		change_bg('images/'+img_array[current+1]);
		current = parseInt(current)+1;
	}
}

function prev(){
	if(current == 0){
		change_bg('images/'+img_array[img_array.length-1]);
		current = img_array.length-1;
	}else{
		change_bg('images/'+img_array[current-1]);
		current = parseInt(current)-1;
	}
}