var ImageArr = new Array("002.jpg","003.jpg","004.jpg","005.jpg","006.jpg","007.jpg","008.jpg","009.jpg","010.jpg","011.jpg","012.jpg","013.jpg","014.jpg","015.jpg","016.jpg","017.jpg","018.jpg");

function arrayShuffle(){
	for(var i =0; i < this.length; i++){
		rand = Math.floor(Math.random() * this.length);
		tmp = this[i]; 
		this[i] = this[rand]; 
		this[rand] =tmp;
	}
}
Array.prototype.shuffle =arrayShuffle;

ImageArr.shuffle();

function PreloadImages(BasePath) {
	preload_image_object = new Image();

	var i = 0;
	for(i=0; i<=ImageArr.length-1; i++)  {
		preload_image_object.src = BasePath+"/images/headers/"+ImageArr[i]; }
} 

function RotateImages(Target,BasePath,Start) {
	if(Start>=ImageArr.length)
		Start=0;
	document.getElementById(Target).style.background = "url('"+BasePath+"/images/headers/"+ImageArr[Start]+"')";
	window.setTimeout("RotateImages('"+Target+"','"+BasePath+"',"+(Start+1)+")",5000);
}