var expert = new Array();
		expert[0] = '';
		
        function fnLuanXu(num) {  
            var aLuanXu=[];  
            for (var i = 0; i < num; i++) {  
                aLuanXu[i] = i;  
            }  
            for (var i = 0; i < num; i++) {  
                var iRand = parseInt(num * Math.random());  
                var temp = aLuanXu[i];  
                aLuanXu[i] = aLuanXu[iRand];  
                aLuanXu[iRand] = temp;  
            }  
            return aLuanXu;  
        }
        var newId = fnLuanXu(expert.length);
		document.write('021-50315702');