var imagePath;

if (screen.height >= 1024) {
document.write('<link href="lib/style_h1024.css" rel="stylesheet" type="text/css">');
}
else if (screen.height >= 900) {
document.write('<link href="lib/style_h900.css" rel="stylesheet" type="text/css">');
}
else if (screen.height >= 768) {
document.write('<link href="lib/style_h768.css" rel="stylesheet" type="text/css">');
}
else{
document.write('<link href="lib/style_h600.css" rel="stylesheet" type="text/css">');
}