function intval( mixed_var, base ) { 
    var tmp; 
    if( typeof( mixed_var ) == 'string' ){
        tmp = parseInt(mixed_var);
        if(isNaN(tmp)){
            return 0;
        } else{
            return tmp.toString(base || 10);
        }
    } else if( typeof( mixed_var ) == 'number' ){
        return Math.floor(mixed_var);
    } else{
        return 0;
    }
}

function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}
function setCookie (name, value, expires, path, domain, secure) {
  //today.setTime(today.getTime() + expires*60*1000);
  //expires = new Date (today.getTime() + expires*60*1000);
  var today = new Date ();
  today.setTime(today.getTime() + intval(expires)*60*1000);
  //alert(today);
  if (browser!='Chrome' && browser!='IE') today = today.toGMTString();
      document.cookie = name + "=" + escape(value) +
        ((path) ? "; path=" + path : "") +
        ((expires) ? "; expires=" + today : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}