canUseMac=false;
canUseMacIE=false;
canUseWin=false;

if ((navigator.platform.toUpperCase().indexOf("WIN") >= 0)){
	canUseWin=true;
}

else if ((navigator.userAgent.indexOf("MSIE") >= 0)){
	canUseMacIE=true;
}

else if ((navigator.userAgent.indexOf("Mac") >= 0)){
	canUseMac=true;
}

if(canUseWin){
document.write("<style type='text/css' media='all'>");
document.write("#page,.tategumi		{ font-family: sans-serif, 'Meiryo', 'メイリオ'; font-size:12px }");
document.write("h2 			{ font-size:10px }");
document.write("h3 			{ font-size:12px }");
document.write("h4,h5  			{ font-size:12px }");
document.write("span.footnote,ul.footnote,.category,.caption,.posted,.posted2,.posted3,.posted4,.excerpt,.free,.flickr_badge_image,.sidebox,.sidebox2,.sidebox h2,.sidebox2 h2,.sidebox input,table,#powered  { font-size:10px }");
document.write("a,dt,strong,b	{ font-weight: bold }");
document.write("</style>");
}

if(canUseMacIE){
document.write("<style type='text/css' media='all'>");
document.write("#page 			{ font-family: sans-serif, 'ヒラギノ角ゴ Pro W3'; font-size:small }");
document.write("h2 			{ font-size:small }");
document.write("h3 			{ font-size:medium }");
document.write("h4,h5  			{ font-size:small }");
document.write("span.footnote,ul.footnote,.category,.caption,.posted,.posted2,.posted3,.posted4,.excerpt,.free,.flickr_badge_image,.sidebox,.sidebox2,.sidebox h2,.sidebox2 h2,#powered  { font-size:x-small }");
document.write("</style>"); 
}

if(canUseMac){
document.write("<style type='text/css' media='all'>");
document.write("#page			{ font-family: sans-serif ; font-size:small }");
document.write("h2 			{ font-size:small }");
document.write("h3 			{ font-size:medium }");
document.write("h4,h5  			{ font-size:small }");
document.write("span.footnote,ul.footnote,.category,.caption,.posted,.posted2,.posted3,.posted4,.excerpt,.free,.flickr_badge_image,.sidebox,.sidebox2,.sidebox h2,.sidebox2 h2,#powered  { font-size:x-small }");
document.write("a,dt			{ font-weight: bold }");
document.write("</style>");
}

var imglist = new Array(
"Title_New",
"Title_Mac",
"Title_Cinema",
"Title_Game",
"Title_ETC",
"Title_CG" );
var selectnum = Math.floor((Math.random() * 100)) % imglist.length;
var output = ".banner_img {background: url(http://park5.wakwak.com/~tito/" + imglist[selectnum] + ".jpg) no-repeat top center}";

document.write("<style type='text/css' media='all'>");
document.write(output);
document.write("</style>");