////----------------Author Teng-------------
//验证是否为空
function check_blank(obj, obj_name){
??? ? if(obj.value != ''){??
??????????? return true;??
???? }else{??
???????? alert(obj_name + "所填不能为空！");
??? ??? ?obj.value = "";
???????? return false;??
???? }??
}

//过滤输入字符的长度
function check_str_len(name,obj,maxLength){??
??? obj.value=obj.value.replace(/(^\s*)|(\s*$)/g, "");
??? var newvalue = obj.value.replace(/[^\x00-\xff]/g, "**");
??? var length11 = newvalue.length;
??? if(length11>maxLength){
??? ? ??? alert(name+"的长度不能超过"+maxLength+"个字符！");
??? ? ??? obj.value="";
??? ? ??? obj.focus();????
??? }
?}

//验证只能为数字
function checkNumber(obj){
??? var reg = /^[0-9]+$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
???? ??? alert('只能输入数字！');
???? ??? obj.value = "";
???? ??? obj.focus();
???? ??? return false;
???? }
}

//验证数字大小的范围

function check_num_value(obj_name,obj,minvalue,maxvalue){
??? var reg = /^[0-9]+$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
??? ??? alert(obj_name+'只能输入数字！');
???? ??? obj.value = "";
???? ??? obj.focus();
???? ??? return false;
??? }else if(minvalue>obj.value||obj.value>maxvalue){
??? ??? alert(obj_name+"的范围是"+minvalue+"-"+maxvalue+"!");
??? ??? obj.value="";
??????? obj.focus();
??????? return false;
??? }

}

//验证只能是字母和数字
function checkZmOrNum(zmnum){
? var zmnumReg=/^[0-9a-zA-Z]*$/;
? if(zmnum.value!=""&&!zmnumReg.test(zmnum.value)){
???? alert("只能输入是字母或者数字,请重新输入");
???? zmnum.value="";
???? zmnum.focus();
???? return false;
? }
}

//验证双精度数字
function check_double(obj,obj_name){
??? var reg = /^[0-9]+(\.[0-9]+)?$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
???? ??? alert(obj_name+'所填必须为有效的双精度数字');
???? ??? obj.value = "";
??? ??? obj.focus();
???? ??? return false;
??? }
}
??

//复选框全选
function checkboxs_all(obj,cName){
??? var checkboxs = document.getElementsByName(cName);
??? for(var i=0;i<checkboxs.length;i++){
??? ??? checkboxs[i].checked = obj.checked;
??? }???
}


//验证邮政编码
function check_youbian(obj){
??? var reg=/^\d{6}$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
???? ??? alert('邮政编码格式输入错误！');
???? ??? obj.value = "";
???? ??? obj.focus();
???? ??? return false;
??? }
}

//验证邮箱格式
function check_email(obj){
??? var reg = /^[a-zA-Z0-9_-]+(\.([a-zA-Z0-9_-])+)*@[a-zA-Z0-9_-]+[.][a-zA-Z0-9_-]+([.][a-zA-Z0-9_-]+)*$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
??? ??? obj.select();
???? ??? alert('电子邮箱格式输入错误！');
???? ??? obj.value = "";
??? ??? obj.focus();
???? ??? return false;
??? }
}

/*验证固定电话号码
? 0\d{2,3}?? 代表区号??
? [0\+]\d{2,3}?? 代表国际区号
?\d{7,8} 代表7－8位数字(表示电话号码)
?正确格式：区号-电话号码-分机号(全写|只写电话号码)
*/

function check_phone(obj){
??? var reg=/^(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})(-(\d{3,}))?$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
???? ??? alert('电话号码格式输入错误！');
???? ??? obj.value = "";
??? ??? obj.focus();
???? ??? return false;
??? }
}

//验证手机号码(检验13,15,18开头的手机号！)
function check_telephone(obj){
??? var reg= /^[1][358]\d{9}$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
???? ??? alert('手机号码格式输入错误！');
???? ??? obj.value = "";
??? ??? obj.focus();
???? ??? return false;
??? }
}

//验证是否为中文
function isChinese(obj,obj_name){
??? var reg=/^[\u0391-\uFFE5]+$/;
??? if(obj.value!=""&&!reg.test(obj.value)){
???? ??? alert(obj_name+'必须输入中文！');
???? ??? obj.value = "";
??? ??? obj.focus();
???? ??? return false;
???