// Cookie functions for wengchen.com/wengchen.nease.net


// number of days cookie lives for
num_days = 365;
function ged(noDays){
    var today = new Date();
    var expr = new Date(today.getTime() + noDays*24*60*60*1000);
    return  expr.toGMTString();
}

// this function gets the cookie, if it exists
function getCookie( name ) {
	
var start = document.cookie.indexOf( name + "=" );
var len = start + name.length + 1;
if ( ( !start ) &&
( name != document.cookie.substring( 0, name.length ) ) )
{
return null;
}
if ( start == -1 ) return null;
var end = document.cookie.indexOf( ";", len );
if ( end == -1 ) end = document.cookie.length;
return unescape( document.cookie.substring( len, end ) );
}
	

function checkCookie(cookieName){
    var start = document.cookie.indexOf(cookieName);
    if (start != -1){
	jumpTo = getCookie('wengchen');
        window.location = jumpTo;
    }
}

function setCookie(settings){
    switch(settings){
    	case "America-English":
	    document.cookie= "wengchen=http://wengchen.com/home/index.htm; domain=.wengchen.com; path=/; expires=" + ged(num_days);
	    break;
    	case "America-Chinese":
	    document.cookie= "wengchen=http://wengchen.com/cn/home/index.htm; domain=.wengchen.com; path=/; expires=" + ged(num_days);
	    break;
    	case "China-English":
	    document.cookie= "wengchen=http://wengchen.nease.net/home/index.htm; domain=.wengchen.com; path=/; expires=" + ged(num_days);
	    break;
    	case "China-Chinese":
	    document.cookie= "wengchen=http://wengchen.nease.net/cn/home/index.htm; domain=.wengchen.com; path=/; expires=" + ged(num_days);
	    break;
    }
}