//去掉前后空格
function ChkUtiltrim(str) {
var patrn = /(^\s+|\s$)/g;
return str.replace(patrn, "");
}
//判断输入的是不是正整数
function ChkInteger(str){
var  patrn =/^[0-9]*[1-9][0-9]*$/;
return patrn.test(str);  
}
//验证用户名格式
function ChkUtilNameisString4_20(str){
var patrn=/^(\w){4,20}$/;
return patrn.test(str);
}
   //判断是否是汉字、字母组成
function f_check_ZhOrNumOrLett(str){ 
    var regu = "^[A-Z\u4e00-\u9fa5]+$";
    var re = new RegExp(regu);    
    return re.test( str );    
}   
function ChkUtilNameisString6_20(str){
var patrn=/^(\w){6,20}$/;
return patrn.test(str);
}
  function clearForm(formName) {
 var formObj = document.forms[formName]; 
	var formEl = formObj.elements;
		for (var i=0; i<formEl.length; i++)
		{ 
		var element = formEl[i];
		if (element.type == 'submit') { continue; }
		if (element.type == 'reset') { continue; } 
		if (element.type == 'button') { continue; }
		if (element.type == 'hidden') { continue; }
		if (element.type == 'text') { element.value = ''; }
		if (element.type == 'textarea') { element.value = ''; }
		if (element.type == 'password') { element.value = ''; }
		if (element.type == 'checkbox') { element.checked = false; }
		if (element.type == 'radio') { element.checked = false; }
		if (element.type == 'select-multiple') { element.selectedIndex = -1; }
		if (element.type == 'select-one') { element.selectedIndex = -1; }
	 } }
//验证email
function ChkUtilisEmail(email) {
var patrn = /^[a-zA-Z0-9_.-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/;
return patrn.test(email);
}
//验证是否为汉字或字母
function ChkUtilisCharacter(str) {
var patrn = /^[a-zA-Z\u4e00-\u9fa5]*?$/;
return patrn.test(str);
}
//验证是否是数字
function ChkUtilisDigit(digit) {
var patrn = /^[0-9]{1,20}$/;
return patrn.test(digit);
}
//电话号码验证
function ChkUtilisPhone(phone) {
var patrn = /^\d{1,20}$/g;
return patrn.test(phone);
}
//手机号码验证
function ChkUtilisMobile(mobile) {
var patrn = /^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
return patrn.test(mobile);
}
//邮政编码验证
function isPostalCode(s)
{
 var patrn=/^[1-9]{1}(\d){5}$/;
 return patrn.test(s) ;
 
}
//身份证号码验证
function checkIdcard(idcard){   
  var Errors=new Array("true","身份证号码位数不对!","身份证号码出生日期超出范围或含有非法字符!","身份证号码校验错误!","身份证地区非法!");   
  var area={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"}   
  var idcard,Y,JYM;   
  var S,M;   
  var idcard_array = new Array();   
  idcard_array = idcard.split("");   
  if(area[parseInt(idcard.substr(0,2))]==null) return Errors[4];   
  switch(idcard.length){   
    case 15:   
      if ((parseInt(idcard.substr(6,2))+1900) % 4 == 0 || ((parseInt(idcard.substr(6,2))+1900) % 100 == 0 && (parseInt(idcard.substr(6,2))+1900) % 4 == 0 )){   
        ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;//测试出生日期的合法性   
      }   
      else{   
        ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/;//测试出生日期的合法性   
      }   
      if(ereg.test(idcard))   
        return Errors[0];   
      else  
        return Errors[2];   
    break;   
  case 18:   
    if ( parseInt(idcard.substr(6,4)) % 4 == 0 || (parseInt(idcard.substr(6,4)) % 100 == 0 && parseInt(idcard.substr(6,4))%4 == 0 )){   
      ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/;//闰年出生日期的合法性正则表达式   
    }   
    else{   
    ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/;//平年出生日期的合法性正则表达式   
    }   
    if(ereg.test(idcard)){   
      S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 + (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 + (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 + (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 + (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 + (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 + (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 + parseInt(idcard_array[7]) * 1 + parseInt(idcard_array[8]) * 6 + parseInt(idcard_array[9]) * 3 ;   
      Y = S % 11;   
      M = "F";   
      JYM = "10X98765432";   
      M = JYM.substr(Y,1);   
      if(M == idcard_array[17])   
        return Errors[0];   
      else  
        return Errors[3];   
    }   
    else  
      return Errors[2];   
    break;   
  default:   
    return Errors[1];   
    break;   
  }   
}   
//复制内容到剪贴板支持ie,ff
function copyToClipboard(txt) {    
     if(window.clipboardData) {    
             window.clipboardData.clearData();    
             window.clipboardData.setData("Text", txt);    
     } else if(navigator.userAgent.indexOf("Opera") != -1) {    
          window.location = txt;    
     } else if (window.netscape) {    
          try {    
               netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");    
          } catch (e) {    
               alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");    
          }    
          var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);    
          if (!clip)    
               return;    
          var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);    
          if (!trans)    
               return;    
          trans.addDataFlavor('text/unicode');    
          var str = new Object();    
          var len = new Object();    
          var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);    
          var copytext = txt;    
          str.data = copytext;    
          trans.setTransferData("text/unicode",str,copytext.length*2);    
          var clipid = Components.interfaces.nsIClipboard;    
          if (!clip)    
               return false;    
          clip.setData(trans,null,clipid.kGlobalClipboard);    
          alert("复制成功！")
     }    
}