function querystring(){
	if(!location.search){ return null; }
	var querystr=location.search.split("?")[1].replace(/\+/g," ");
	for(var n=0;n<querystr.split("&").length;n++){
		var name=unescape(querystr.split("&")[n].split("=")[0]);
		var value=unescape(querystr.split("&")[n].split("=")[1]);
		if(this[name]){
			if(typeof(this[name])=="object"){
				this[name][this[name].length]=value;
			}else{
				this[name]=new Array(this[name],value);
			}
		}else{
			this[name]=value;
		}
	}
}
function cookie(name,value,expires,domain,path,secure){
	if(!name){
		var cookies=document.cookie.split("; ");
		for(var n=0;n<cookies.length;n++){
			cookies[n]=unescape(cookies[n].split("=")[0]);
		}
		return cookies;
	}else{
		this.name=name; this.value=(value)?value:"";
		this.set=function(){
			var cookiestr = escape(this.name)+"="+escape(this.value);
			cookiestr+=(this.expires)?"; expires="+this.expires.toGMTString():"";
			cookiestr+=(this.domain)?"; domain="+this.domain:"";
			cookiestr+=(this.path)?"; path="+this.path:"";
			cookiestr+=(this.secure)?"; secure":"";
			document.cookie=cookiestr;
			this.isset=true;
		}
		this.remove=function(){
			document.cookie=escape(this.name)+"="+(document.layers?"":"_")+"; expires=Thursday, 01-Jan-1970 00:00:00 GMT";
			this.isset=false;
		}
		if(value){
			this.expires=expires; this.domain=domain; this.path=path; this.secure=secure;			
		}else{
			var cookies=document.cookie.split("; ");
			for(var n=0;n<cookies.length;n++){
				if(unescape(cookies[n].split("=")[0])==name){
					this.value=unescape(cookies[n].split("=")[1]);
				}
			}
			this.isset=(!!this.value);
		}
	}
}
function sortobj(obj,prop){
	var a=[]; for(var i in obj){ a[a.length]=[i,obj[i][prop]]; }
	a=a.sort(function(a,b){ return ((a[1]<b[1])?-1:((a[1]>b[1])?1:0)); } )
	var ret={};
	for(var i in a){ ret[a[i][0]]=obj[a[i][0]]; }
	return ret;
}
function sortbasket(obj,prop){
	var a=[]; for(var i in obj){ a[a.length]=[i,art[i][prop]]; }
	a=a.sort(function(a,b){ return ((a[1]<b[1])?-1:((a[1]>b[1])?1:0)); } )
	var ret={};
	for(var i in a){ ret[a[i][0]]=obj[a[i][0]]; }
	return ret;
}
function htmlEncode(str){
	str+=""; var enc={ "&":"&amp;", "\"":"&quot;", "<":"&lt;", ">":"&gt;" }
	for(var i in enc){ str=str.replace(new RegExp(i,"g"),enc[i]); }
	return str;
}