function checkmail(v){var pattern=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;flag=pattern.test(v);if (flag){return true;}else{return false;}}
_$$=function(id){return document.getElementById(id);}
function checkName(v){var reg = /^([a-zA-Z]|\d|_|[\u4E00-\u9FA5\uF900-\uFA2D])*$/;if(!reg.test(v)){return false;}else{return true;}}
function checkDate(v){var reg = /^\d{4}-\d{1,2}-\d{1,2}$/;if(!reg.test(v)){ return false;}else{ return true;}}
function checkNum(v){var reg = /^-?\d+$/;if(!reg.test(v)){return false;}else{return true;}}
function IsObjnull(obj){if(obj.value.replace(/(^\s*)/g, "")!=""){ return true;}return false}
function IsObjnullValue(v){if(v.replace(/(^\s*)/g, "")!=""){ return true;}return false}
function IsZhengInt(v){
var reg = /^\+?[1-9][0-9]*$/;if(reg.test(v)){return true;}else{return false;}
}
function checksjNum(v){var reg = /^\d+$/;if(reg.test(v)){return true;}else{return false;}}
//校验日期水印显示
function textBoxFocus(id){
       var t=_$$(id);
       if(t.value.replace(/(^\s*)/g, "")=="格式:2010-1-1"){
           t.value="";
      }
 }
function textBoxBlur(id){
       var t=_$$(id);
        if(!IsObjnull(t)){
            t.value="格式:2010-1-1";
        }
 }
 _$=function(id){var h="ctl00_ContentPlaceHolder1_";return document.getElementById(h+id);}