//ボタン
// to_url	：リンク先URL
// n_url	：通常状態の画像URL
// h_url	：ホバー状態の画像URL
// c_url	：マウスを押したときの画像URL
function SetButton(to_url, name, n_url, h_url, c_url){

	document.write("<script language='JavaScript'>");

	document.write(name+"_n = new Image();");
	document.write(name+"_h = new Image();");
	document.write(name+"_c = new Image();");

	document.write(name+"_n.src = '"+n_url+"';");
	if(h_url != "")
	{
		document.write(name+"_h.src = '"+h_url+"';");
		document.write(name+"_c.src = '"+c_url+"';");
	}
	else
	{
		document.write(name+"_h.src = '"+n_url+"';");
		document.write(name+"_c.src = '"+n_url+"';");
	}

	document.write("</script>");

	if(to_url != "")
	{
		document.write("<A href='"+to_url+"'>");
	}
	document.write("<IMG style={border-width:0;} align='absmiddle' src='"+n_url+"'");
	document.write(" onMouseOver='this.src="+name+"_h.src'");
	document.write(" onMouseOut='this.src="+name+"_n.src'");
	document.write(" onMousedown='this.src="+name+"_c.src'");
	document.write(" onMouseup='this.src="+name+"_h.src'");
	document.write(">");
	if(to_url != "")
	{
		document.write("</A>");
	}

}

// id="popup"としたタグを１つ同じページに用意しておくこと
// <SPAN id="popup" style={position:absolute;visibility:hidden;}></SPAN>
function ShowPopup(object, string)
{
	
	popup.style.visibility = "visible";
	
	popup.innerHTML = string;
	popup.style.left = event.clientX + 2;
	popup.style.top = 4;
	
}

function HidePopup()
{
	
	popup.style.visibility = "hidden";
	
}