var plus_button   = "./object/parts/s+.jpg";
var mainus_button = "./object/parts/s-.jpg";

// ** 簡易式折り畳み
// **
// ** obj:表示するスパンタグid <span id=〜></span>
// ** imobj:ボタンイメージid <img src="../object/parts/s+.jpg" width=11 height=11>
// ** hideobj:ソースを格納している非表示のスパンタグid <span id=〜 style='display:none'>ソース</span>
// **
function resdis(obj,imobj,hideobj){
	var obj;var imobj;var hideobj;
	var strheight;
	if(document.getElementById(obj).innerHTML == ""){
		document.getElementById(imobj).src=mainus_button;
		document.getElementById(obj).innerHTML =document.getElementById(hideobj).innerHTML;
		setcookie(obj,1);
	}else{
		document.getElementById(imobj).src=plus_button;
		document.getElementById(obj).innerHTML ="";
		setcookie(obj,0);
	}
}
function resdis2(obj,imobj,hideobj,parent){
	var obj;var imobj;var hideobj;
	var strheight;
	if(document.getElementById(parent).innerHTML != ""){
		if(document.getElementById(obj).innerHTML == ""){
			document.getElementById(imobj).src=mainus_button;
			document.getElementById(obj).innerHTML =document.getElementById(hideobj).innerHTML;
			setcookie(obj,1);
		}else{
			document.getElementById(imobj).src=plus_button;
			document.getElementById(obj).innerHTML ="";
			setcookie(obj,0);
		}
	}
}
function sub_cmd(obj,imobj){
	var imobj;
	if(document.getElementById(imobj).src=mainus_button){
		document.getElementById(imobj).src=plus_button;
		document.getElementById(obj).innerHTML ="";
		setcookie(obj,0);
		
	}
}
// ** スクロール式折り畳み
// **
// ** obj:表示するスパンタグid <span id=〜></span>
// ** imobj:ボタンイメージid <img src="../object/parts/s+.jpg" width=11 height=11>
// ** hmin:折り畳み時の高さ
// ** hmax:展開時の高さ
// **
function span_openclose(imobj,obj,hmin,hmax) {
	var hi = document.getElementById(obj).style.height;
	
	hi = Number(hi.replace("px", ""));
	var im = document.getElementById(imobj).src;
	if(im.indexOf("s+") > -1){
		if(hi < hmax) {
			hi=hi+(hmax-hi)/2+1;
			document.getElementById(obj).style.height = hi;
			setTimeout("span_openclose('" + imobj + "','" + obj + "'," + hmin + "," + hmax + ")",20);
		}else{
			document.getElementById(obj).style.height = hmax;
			document.getElementById(imobj).src=mainus_button;
		}
		document.getElementById(obj).style.border="1px #ffff90 solid";
		document.getElementById(obj).style.backgroundColor="#303020";
	}else{
		hi = hi/2;
		if(hi > hmin) {
			document.getElementById(obj).style.height = hi;
			setTimeout("span_openclose('" + imobj + "','" + obj + "'," + hmin + "," + hmax + ")",20);
		}else{
			hi = hmin;
			document.getElementById(imobj).src=plus_button;
		}
		document.getElementById(obj).style.border="0px #202030";
		document.getElementById(obj).style.backgroundColor="#202030";
	}
}