var sw = screen.width;
	
switch(true) {
		case(sw<1024):
		document.write('<link rel="stylesheet" type="text/css" href="../styles/site800.css" />');
		break;
	
		case(sw>=1024 && sw<1280):
		document.write('<link rel="stylesheet" type="text/css" href="../styles/site1024.css" />');
		break;
		
		case(sw>=1280 && sw<1400):
		document.write('<link rel="stylesheet" type="text/css" href="../styles/site1280.css" />');
		break;
		
		case(sw>=1400):
		document.write('<link rel="stylesheet" type="text/css" href="../styles/site1400.css" />');
		break;
}