function preLoadButtons() 
{
	var root = 'images/header_banner_drop_';
      		
	for (var i=5; i<=11 ; i++){ 
		if (i<10) i = "0" + i;
		var imgName = root+i+".jpg";
		im = new Image();
		im.src = imgName;
	}
}


// button code
function changeImagesArray(array)
{
	if (preloadFlag == true){
		var d = document; 
		var img;
		for (var i=0; i<array.length; i+=2){
			img = null; 
			var n = array[i];
			if (d.images) img = d.images[n];
			if (!img && d.getElementById) img = d.getElementById(n);
			if (img) img.src = array[i+1];
		}
	}
}

		
function changeImages()
{
	changeImagesArray(changeImages.arguments);
}
		
var preloadFlag = true;

	
// random image code
var loaded=0;

function getRandomImage(img)
{
	if (loaded==0){
      		var totalPics = 7;
      		// get current path
		var path = document.location.pathname;
		
		// find the second to last '/'
		var index = path.lastIndexOf("/");
		var fromIndex = path.lastIndexOf("/",index - 1);
		
		// get base path
		var dir = path.substring(0, fromIndex);
		var updir = path.substring(fromIndex+1, index);

		//var root;
      		//if (updir == 'scskaters' || updir == 'So%20Cal%20Skaters%20web%20site' || updir == 'So Cal Skaters web site'){
      			var root = 'header_images/';
      		//else{
      		//	var root = dir +'/scskaters/header_images/';
      		//	var root = dir +'/So Cal Skaters web site/header_images/';
      		//}
      		
      		cycle = Math.floor(Math.random() * totalPics + 1 );
      		
      		var randomPic =  "header_banner_alt_"+cycle+"_03.jpg";
      		img.src = root+randomPic;
		
		document.write('<img name="turntable" src="'+root+randomPic+'" width="658" height="260" alt="" border="0">');
      		loaded = 1;
      		
      		// preload other images
      		for (var i=0; i<totalPics; i++){ 
      			var imgName = root+"header_banner_alt_"+i+"_03.jpg";
			im = new Image();
			im.src = imgName;
      		}
   	}
}