var $j = jQuery.noConflict(); 
        
        $j(document).ready(function(){
            getGoldFree('013', 'interfaceLevel1', 'interfaceLevel2', 'txtFree', '/GoldFree.aspx');
        });
        
        function getGoldFree(gameCodeId, startLevelId, endLevelId, goldFreeId, postUrl){
            //var gameCode = document.getElementById(gameCodeId).value;
            var gameCode = gameCodeId;
            var startLevel = document.getElementById(startLevelId).value;
            var endLevel = document.getElementById(endLevelId).value;
			if(parseInt(startLevel) >= parseInt(endLevel)){
				document.getElementById(goldFreeId).value = '0 Gold';
				return;
			}
            $j.ajax({
                url : postUrl,
                type : 'post',
                data : 'startLevel=' + startLevel + '&gameCode=' + gameCode + '&endLevel=' + endLevel,
                dataType : 'html',
                success : function(html){
                    document.getElementById(goldFreeId).value = html + ' Gold';
                }
            });
        }