// JavaScript Document
function focus_to_photo(now_obj){
	photo_obj = now_obj;
	photo_effect = setInterval('zoom_photo(photo_obj)', 1);
}

function zoom_photo(photo_obj){
	spead = 40;
	select_li = photo_obj.parentNode;
	select_img = photo_obj.firstChild;	

	if(!!document.getElementById("select")){
		last_li = document.getElementById("select");
		last_img = last_li.firstChild.firstChild;
	}else{
		last_li = false;
		last_img = false;
	}
	li_size = new Number(select_li.style.width.replace(/px/, ""));
	if(li_size == ""){
		li_size = 50 + spead;
	}else if(li_size >= 350){
		clearInterval(photo_effect);
		if(!!last_li){
			last_li.removeAttribute('id');
//			last_li.style.backgroundImage = "url(design/ls_site/img/icon_bg.gif)";
			last_img.src = last_img.src.replace(/image_344x344/, "icon_44x44");
		}
		select_li.setAttribute('id', "select");
//		select_li.style.backgroundImage = "url(design/ls_site/img/photo_bg.gif)";
		select_img.src = select_img.src.replace(/icon_44x44/, "image_344x344");
		li_size = 350;
	}else{
		li_size += spead;
	}
	if(!!last_li){
		rev_size = 400 - li_size;
		last_li.style.width = rev_size +"px";
		last_li.style.height = rev_size +"px";
		last_img.style.width = rev_size - 6 +"px";
		last_img.style.height = rev_size - 6 +"px";
	}
	select_li.style.width = li_size +"px";
	select_li.style.height = li_size +"px";
	select_img.style.width = li_size - 6 +"px";
	select_img.style.height = li_size - 6 +"px";
	return true;
}

window.onload = function (){
	li_objs = document.getElementById("photo_area").childNodes;
	for(i = 0; i < li_objs.length; i++){
		if(li_objs[i].nodeName == "LI"){
			photo_effect = setInterval('zoom_photo(li_objs[i].firstChild)', 1);	
			window.select_li = li_objs[i];
			break;
		}
	}
}