function ShowPrice(price, index, active, unit)
        {
            var currencies = new Array("vnd", "sjc", "usd");
            for(var i in currencies)
            {
                var obj = document.getElementById(currencies[i] + index);
                if(currencies[i] == active)
                    obj.className = "selected " + currencies[i];
                else
                    obj.className = currencies[i];
                if(IsNumeric(price))
            	    document.getElementById("price" + index).innerHTML = price+" <span class='date'>"+unit+"</span>";
                else
            	    document.getElementById("price" + index).innerHTML = price;
            }
        }
		function IsNumeric(sText)
		{
		   var ValidChars = "0123456789,.";
		   var IsNumber=true;
		   var Char;
		   for (i = 0; i < sText.length && IsNumber == true; i++) 
		      { 
		      Char = sText.charAt(i); 
		      if (ValidChars.indexOf(Char) == -1) 
		         {IsNumber = false;}
		      }
		   return IsNumber;
		}
        
        function AddCondition(name, value)
        {
            if(!conditions) return;
            if(!name) return;
            conditions[name] = value;
            FilterByConditions()
        }
        
        function AddConditions(cons)
        {
            if(!conditions) return;
            if(!cons) return;
            for(var i in cons)
            {
                var condition = cons[i];
                if(condition) conditions[condition.name] = condition.value;
            }
            FilterByConditions();
        }
        
        function RemoveConditions(names)
        {
            if(!conditions) return;
            if(!names) return;
            names = names.split(",")
            for(var i in names)
            {
                conditions[names[i]] = null;
            }
            FilterByConditions();
        }
        
        function FilterByConditions()
        {
            if(!conditions) return;
            var url = "";
            var params = new Array();
            for(var i in conditions)
            {
                var param = conditions[i];
                if(param) params[params.length] = i + "=" + escape(param);
            }
            url = "/web/sieuthi/loc/" + params.join(",");
            location = url;
        }
       
        function ParseParams(params)
        {
            params = params.split(",");
            for(var i in params)
            {
                var param = params[i];
                if(param)
                {
                    param = param.split("=");
                    if(param[0]) conditions[param[0]] = param[1];
                }                
            }
        }
        
        var conditions = new Array();
        ParseParams("");