function showAndHidden(opera){
		if(opera == "jzfw"){
			document.getElementById('jzfw').style.display = "block";

			document.getElementById('zhxl').style.display = "none";
			document.getElementById('zxfw').style.display = "none";
			document.getElementById('ydfw').style.display = "none";
			document.getElementById('wsgw').style.display = "none";
			document.getElementById('shypps').style.display = "none";
		}else if(opera == "zhxl"){
			document.getElementById('zhxl').style.display = "block";
			
			document.getElementById('zxfw').style.display = "none";
			document.getElementById('ydfw').style.display = "none";
			document.getElementById('wsgw').style.display = "none";
			document.getElementById('shypps').style.display = "none";
			document.getElementById('jzfw').style.display = "none";
		}else if(opera == "zxfw"){
			document.getElementById('zxfw').style.display = "block";

			document.getElementById('zhxl').style.display = "none";
			document.getElementById('ydfw').style.display = "none";
			document.getElementById('wsgw').style.display = "none";
			document.getElementById('shypps').style.display = "none";
			document.getElementById('jzfw').style.display = "none";
		}else if(opera == "ydfw"){
			document.getElementById('ydfw').style.display = "block";

			document.getElementById('zhxl').style.display = "none";
			document.getElementById('zxfw').style.display = "none";
			document.getElementById('wsgw').style.display = "none";
			document.getElementById('shypps').style.display = "none";
			document.getElementById('jzfw').style.display = "none";
		}else if(opera == "wsgw"){
			document.getElementById('wsgw').style.display = "block";

			document.getElementById('zhxl').style.display = "none";
			document.getElementById('zxfw').style.display = "none";
			document.getElementById('ydfw').style.display = "none";
			document.getElementById('shypps').style.display = "none";
			document.getElementById('jzfw').style.display = "none";
		}else if(opera == "shypps"){
			document.getElementById('shypps').style.display = "block";

			document.getElementById('zhxl').style.display = "none";
			document.getElementById('zxfw').style.display = "none";
			document.getElementById('ydfw').style.display = "none";
			document.getElementById('wsgw').style.display = "none";
			document.getElementById('jzfw').style.display = "none";
		}
	}
function GetObjID(objName,formName) {
    for (var ObjID=0; ObjID < formName.elements.length; ObjID++)
    if ( formName.elements[ObjID].name == objName ) {
        return(ObjID);
        break;
    }
    return(-1);
}

function lenCheck(formName,objName,title,len,noNull,noBlank) {

    ObjID = GetObjID(objName,formName);
    if (ObjID == -1){return false;}

    var str=formName.elements[ObjID].value;

    formName.elements[ObjID].value=str;//trim input

    //null judge
    if(str=="" && noNull){
        alert(title+"不能为空!");
        formName.elements[ObjID].focus();
        return false;
    }
    //no blank
    if(noBlank){
        var bBlank=noBlankIn(str);
        if(bBlank==false){
            alert(title+"中不能有空格!");
            formName.elements[ObjID].select();
            return false;
        }
    }
    //lens judge
    var lens=trueLen(str);

    if(lens>len){
        alert(title+"的长度超过了"+len/2+"个汉字!");
        formName.elements[ObjID].select();
        return false;
    }
    return true;
}

		function lTrim(str){
	    var rtnStr;
	    rtnStr=""
	    for (var i=0;i<str.length;i++){
	      if (str.charAt(i)!=" "){
	        rtnStr=str.substr(i);
	        break;
	      }
	    }
	return rtnStr;
	}
	
	function rTrim(str){
	    var rtnStr;
	    rtnStr=""
	    for (var i=str.length-1;i>=0;i--){
	        if (str.charAt(i)!=" "){
	            rtnStr=str.substring(0,i+1);
	            break;
	        }
	    }
	    return rtnStr;
	}
	
	function trim(str){
	    return(lTrim(rTrim(str)));
	}
	function trueLen(str) {

	    str=trim(str);
	    //lens judge
	    var lens=0;
	    for(i=0;i<str.length;i++){
	        if(str.charCodeAt(i)>=0 && str.charCodeAt(i)<=127){
	            lens=lens+1;
	        }else{
	            lens=lens+2;
	        }
	    }
	    return lens;

	}
	function noBlankIn(str){
	    for (var i=0;i<str.length;i++){
	        if (str.charAt(i)==" "){
	            return false;
	        }
	    }
	    return true;
	}
	
	function isTel(id)
    {
    //区号(2到3位)-电话号码(7到8位)-分机号(3位)"
	 var object =document.getElementById(id);
     var s =object.value;
     //var pattern =/^((0\d{2,3})-)(\d{7,8})?$/;
     //var pattern =/(^[0-9]{3,4}\-[0-9]{7,8}$)|(^[0-9]{7,8}$)|(^\([0-9]{3,4}\)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)/; 
         if(s!="")
         {
             if(isNaN(s))
             {
              alert('请输入正确的电话号码!');
              object.value="";
              object.focus();
              return false;
             }
            return true;
         }
    }