function pageWidth() {
 return window.innerWidth != null? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
}

function doMobile(){
    if(pageWidth() < 600){ 
        mobile = true;
    } else if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/android/i)) || (navigator.userAgent.match(/mobi/i)) || (navigator.userAgent.match(/mobile/i)) || (navigator.userAgent.match(/blackberry/i))) {
        mobile = true;  
    } else {
        mobile = false;
    }

	if(mobile == true){
        document.write('<link rel="stylesheet" type="text/css" href="http://youngblackgirlfriends.com/m-style.css" />');
        document.write('<meta name="viewport" content="width=device-width, user-scalable=no;"/>');
    } else {
        document.write('<link rel="stylesheet" type="text/css" href="http://youngblackgirlfriends.com/style.css" />');
    }
	
}