//var images = images_cat[qsParm['cat']];	
var num_thumbs;
var main_img_id = 'mainImg';
var main_img_node;


window.onload = initPage;




//======================================================
function initPage() {
	num_thumbs = images.length;
	initThumbOnClick();
	main_img_node = document.getElementById(main_img_id);
}

//======================================================

function initThumbOnClick() {
	for (var x=0; x<num_thumbs; x++) {
		var img_id = 'thumb' + x;	
		var thumb_node = document.getElementById(img_id);
		thumb_node.onclick = swapImg;
		thumb_node.img = images[x];
		//thumb_node.directory = image_folders[qsParm['cat']];
	}
}

//======================================================

function swapImg() {
	//alert(this.img);
	//alert(image_folders[qsParm['cat']]);
	//alert('images/fullsize/' + this.dir + '/' + this.img);
	//main_img_node.src = 'images/fullsize/' + this.directory + '/' + this.img;
	main_img_node.src = 'images/fullsize/' + this.img;
}