/* cookies lezen en schrijven 
   http://www.websitemaken.be/index.php?page=show_script&id=153 */
   
function setCookie(name, value, expires) { 
	var deCookie = name + "=" + escape(value); 
	if(expires){ 
		expires= expires.toGMTString(); 
		deCookie += "; expires=";  deCookie += expires; 
	} document.cookie = deCookie; 
} 

function getCookie(name) {   
	var dc = document.cookie;   
	var prefix = name + "=";   
	var begin = dc.indexOf("; " + prefix);   
	if (begin == -1) {     
		begin = dc.indexOf(prefix);     
		if (begin != 0) return null;   
	} else {     
		begin += 2;
	}
	var end = document.cookie.indexOf(";", begin);   
	if (end == -1) {     
		end = dc.length;
	}
	return unescape(dc.substring(begin + prefix.length, end)); 
}