function getCookie(c_name) 
{ 
if (document.cookie.length>0) 
{ 
c_start=document.cookie.indexOf(c_name + "="); 
if (c_start!=-1) 
{ 
c_start=c_start + c_name.length+1; 
c_end=document.cookie.indexOf(";",c_start); 
if (c_end==-1) c_end=document.cookie.length; 
return unescape(document.cookie.substring(c_start,c_end)); 
} 
} 
return ""; 
} 

function setCookie(c_name,value,expiredays) 
{ 
var exdate=new Date(); 
exdate.setDate(exdate.getDate()+expiredays); 
document.cookie=c_name+ "=" +escape(value)+ 
((expiredays==null) ? "" : ";expires="+exdate.toGMTString()); 
} 

var diz = getCookie('mydiz') ? getCookie('mydiz') : 'styles4'; 
document.write('<link type="text/css" rel="StyleSheet" href="http://nfs-game.com/design/styles_CSS/'+diz+'.css">'); 

function dizsave() { 
setCookie('mydiz',document.getElementsByName('mdiz')[0].value, 365); 
location.reload(); 
}