function String.prototype.Trim() {return this.replace(/(^\s*)|(\s*$)/g,"");}
function String.prototype.Ltrim(){return this.replace(/(^\s*)/g, "");}
function String.prototype.Rtrim(){return this.replace(/(\s*$)/g, "");}

function UpdateCheckCode(Img)
{
	var timenow = new Date().getTime();
	url="/code/yz_image.jsp";
	url = url + "?time=" + timenow;
	Img.src=url;
}



function Trim_char(obj)
{
  var str=obj.value.Trim();
  obj.value=str;
  }


 function isblankStr2(input)
{   var str = " ";
    var temp;
    var j=0;
    for (var i = 0; i < input.length; i++ )
    {
        temp = input.substring(i,i+1);
        if(str==temp)
        {
            j++;
        }
    }
    if (j>0)return(true);
    else return (false);
}

//---------------
  	function noInput()
		{
                  var form=document.loginform;

                  if (form.kindP.value=="")
                {
                          window.alert('请选择用户类型');
                          form.kindP.focus();
                          return false;
                  }
               else if (form.username.value=="")
                {
                          window.alert('用户名不能为空');
                          form.username.focus();
                          return false;
                  }
                  else if(isblankStr2(form.username.value))
                  {
                         window.alert('用户名中不能含有空格');
                          form.username.value="";
                          form.username.focus();
                          return false;
                    }
                else if(form.password.value=="")
			{
                          window.alert('密码不能为空');
                          form.password.focus();
                          return false;
                          }
              else if(form.yzcode.value=="")
              {
			  window.alert('验证码中不能为空');
                          form.yzcode.focus();
                          return false;
                }
              else if (form.yzcode.value.length <4 )
               {
			  window.alert('验证码位数不对，请重新填写！');
                          form.yzcode.focus();
                          return false;
                }
                else
			{
                          form.submitLogin.value="登录中...";
                          form.submitLogin.disabled = true;
//			obj.SubmitLogin.disabled=true;
//			obj.Guest.disabled=true;
			//obj.submit();
			return true;
                        }
//
		}

function loc(a)
{
window.open(a,"","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=300,height=150");
return false;
}
function onlyNum()
{
  var keys=event.keyCode;
  if (!((keys>=48&&keys<=57)||(keys>=96&&keys<=105)
  ||(keys==8)||(keys==46)||(keys==37)||(keys==39)||(keys==13)||(keys==229)||(keys==189)||(keys==109)
  ))
  event.returnValue=false;
  }
function Setfocus() {
  document.loginform.username.focus();
		}


function gourl(url){
window.location.href=url;
}

function UpdateCheckCode(Img)
{
	var timenow = new Date().getTime();
	url="/code/yz_image.jsp";
	url = url + "?time=" + timenow;
	Img.src=url;
}