if(navigator.userAgent.toLowerCase().indexOf('iphone') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/mobile.css">');
}
else if(navigator.userAgent.toLowerCase().indexOf('android') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/android.css">');
}
else if(navigator.userAgent.toLowerCase().indexOf('opera mini') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/opera_mini.css">');
}
else if(navigator.userAgent.toLowerCase().indexOf('blackberry') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/blackberry.css">');
}
else if(navigator.userAgent.toLowerCase().indexOf('palm os'||'palm'||'hiptop'||'avantgo'||'plucker'||'xiino'||'blazer'||'elaine') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/palm.css">');
}
else if(navigator.userAgent.toLowerCase().indexOf('windows ce'||'windows ce; ppc;'||'windows ce;smartphone;'||'windows ce; iemobile') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/windows_mobile.css">');
}
else if(navigator.userAgent.toLowerCase().indexOf('up.browser'||'up.link'||'mmp'||'symbian'||'smartphone'||'midp'||'wap'||'vodafone'||'o2'||'pocket'||'kindle'||'mobile'||'pda'||'psp'||'treo') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/pda.css">');
}
else if(navigator.userAgent.toLowerCase().indexOf('application/vnd.wap.xhtml+xml') > -1){
	document.write('<link rel="stylesheet" type="text/css" href="css/wap.css">');
}