// JavaScript Document
function chgImg(id, count){
	if (! document.getElementById) return;
	for(var i = 1; i <= count; i++){
		var img_sId = document.getElementById('img0' + id);
		
		if (! img_sId) continue;
		
		if(i == id){
			document.img_b.src = 'images/img_0' + id + 'b.jpg';
			img_sId.className = "sel";
		}
		else{
			img_sId = document.getElementById('img0' + i).className = "none";
		}
	}
}

function preload(imgs){
 for(var i = 0; i < imgs.length; i++){
   var imgObj = new Image();
   imgObj.src = imgs[i];
 }
}