blog_url = new Array(
	"http://sugoi-semeru.blogspot.com/",
	"http://minitopia.blogspot.com/",
	"http://soh-yamada.blogspot.com/",
	"http://godkikaku.blogspot.com/");
blog_name = new Array(
	"凄井攻",
	"ミニトピア",
	"山田惣",
	"ゴッド企画");

function add_thumbnail()
{
htmltag_thumbnail = "<img class='thumbnail' src='http://www.geocities.jp/godkikaku/godkikaku/thumbnails_box.gif' style='background-position:0 -50px' alt='ほか' title='ほか'/>";

for (i=0 ; i < blog_url.length ; i++ ) 
	{
	 if (text.indexOf(blog_url[i],0) != -1)
		htmltag_thumbnail = "<img class='thumbnail' src='http://www.geocities.jp/godkikaku/godkikaku/thumbnails_box.gif' style='background-position:0 -" + (i * 50 + 100) + "px' alt='" + blog_name[i] +"' title='" + blog_name[i] +"'/>";
	}
text = htmltag_thumbnail;
}