var h = screen.height
if( h >= 1080 ){
document.write("<link rel='stylesheet' type='text/css' href='css/large.css'>");
document.write("<!--[if lt IE 8]><link rel='stylesheet' type='text/css' href='css/large-ie7.css' /><![endif]--><!--[if lt IE 7]><link rel='stylesheet' type='text/css' href='css/large-ie6.css' /><![endif]-->");
}
else if( h <= 800 ){
document.write("<link rel='stylesheet' type='text/css' href='css/small.css'>");
document.write("<!--[if IE 8]><link rel='stylesheet' type='text/css' href='css/small-ie8.css' /><![endif]--><!--[if IE 7]><link rel='stylesheet' type='text/css' href='css/small-ie7.css' /><![endif]--><!--[if lt IE 7]><link rel='stylesheet' type='text/css' href='css/small-ie6.css' /><![endif]-->");
}
else{
document.write("<link rel='stylesheet' type='text/css' href='css/normal.css'>");
document.write("<!--[if IE 7]><link rel='stylesheet' type='text/css' href='css/normal-ie7.css' /><![endif]--><!--[if lt IE 7]><link rel='stylesheet' type='text/css' href='css/normal-ie6.css' /><![endif]-->");
}