var array = ["images/bg_home/izac.jpg","images/bg_home/aly.jpg","images/bg_home/aly2.jpg","images/bg_home/cruz.jpg","images/bg_home/cruz2.jpg"];
var _count = 0;
function backGround(){

var cache = new Array();
for (var i = 0;i < array.length; i++ ){
	var cacheImage = document.createElement('img');
    cacheImage.src = array[i];
    cache.push(cacheImage);
	
}


var _interval = setInterval(changeBackGround,8000);

}


function changeBackGround(){
	_count = (_count + 1 + array.length) % array.length; 
    $("#backstretch").remove();
    $.backstretch(array[_count]);
}