function getCookie(n){
	var c,i=0,eq=n+'=',ca=document.cookie.split(';');
	for(i;i<ca.length;i++){
		c = ca[i];
		while(c.charAt(0)==' ') 
			c=c.substring(1,c.length);
		if (c.indexOf(eq)==0) 
			return c.substring(eq.length,c.length);
	}
	return '';
}
function setCookie(n,v,days){
	var ex='',xd=new Date();
	days=isNaN(days)?0:days;
	days=(days==0)?999:days;
	xd.setTime(xd.getTime()+days*24*60*60*1000);
	//ex='; 
	//expires='+xd.toGMTString();
	expires=''+xd.toGMTString();
	document.cookie=n+'='+v+ex+'; path=/';
}