//Ericosn create.

function validNumber(str)
{
	var patter=/^\d+$/;
	return patter.test(str);
}
function isUnsignedNumeric(str){
	var patter=/^\d+(\.\d+)?$/;
	return patter.test(str);
}
function postcode(str)
{
	if(Trim(str).length==0)
		return false;
	else{
		var   pattern   =   /^[0-9]{6}$/; 
		return pattern.test(str);
	}
}
function Trim(str)
{
	if(str.length==0)
		return str;
	else{
		var val=RTrim(LTrim(str));
		return val;
	}
}

function RTrim(str){      
    var whitespace = new String(" \t\n\r");      
    var s = new String(str);      
       
    if (whitespace.indexOf(s.charAt(s.length-1)) != -1){      
        var i = s.length - 1;      
        while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1){      
            i--;      
        }      
        s = s.substring(0, i+1);      
    }      
    return s;      
}
function LTrim(str){      
    var whitespace = new String(" \t\n\r");      
    var s = new String(str);         
     
    if (whitespace.indexOf(s.charAt(0)) != -1){      
        var j=0, i = s.length;      
        while (j < i && whitespace.indexOf(s.charAt(j)) != -1){      
            j++;      
        }      
        s = s.substring(j, i);      
    }      
    return s;      
}
function chkLoginid(str,min,max){
	if(Trim(str).length<6){
		return 0;
	}
	if(Trim(str).length>10){
		return 1;
	}
	var strSource ="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_";
  var ch;
  var i;
  var temp;
  
  for (i=0;i<=(str.length-1);i++)
  {
  
    ch = str.charAt(i);
    temp = strSource.indexOf(ch);
    if (temp==-1) 
    {
     return 0;
    }
  }
  if (strSource.indexOf(ch)==-1)
  {
    return 0;
  }
  else
  {
    return 1;
  } 
}
function checkDate(theDate){
  var reg = /^\d{4}-((0{0,1}[1-9]{1})|(1[0-2]{1}))-((0{0,1}[1-9]{1})|([1-2]{1}[0-9]{1})|(3[0-1]{1}))$/;  
  var result=true;
  if(!reg.test(theDate))
    result = false;
  else{
    var arr_hd=theDate.split("-");
    var dateTmp;
    dateTmp= new Date(arr_hd[0],parseFloat(arr_hd[1])-1,parseFloat(arr_hd[2]));
    if(dateTmp.getFullYear()!=parseFloat(arr_hd[0])
       || dateTmp.getMonth()!=parseFloat(arr_hd[1]) -1 
        || dateTmp.getDate()!=parseFloat(arr_hd[2])){
        result = false
    }
  }
  return result;
}
//短时间，形如 (13:04:06)
function isTime(str) 

      { 

        var a = str.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/); 

        if (a == null) {
        //alert('输入的参数不是时间格式'); 
        	return false;
        } 

        if (a[1]>24 || a[3]>60 || a[4]>60) 

        { 

          //alert("时间格式不对"); 

          return false 

        } 

        return true; 

      } 
//短日期，形如 (2003-12-05)
function strDateTime(str) 
      { 
         var r = str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/); 

         if(r==null)return false; 

         var d= new Date(r[1], r[3]-1, r[4]); 

         return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]); 

      } 
//长时间，形如 (2003-12-05 13:04:06) 
function strDateTime(str) 

      { 

        var reg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/; 

        var r = str.match(reg); 

        if(r==null)return false; 

        var d= new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]); 

        return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]); 

      }