// JScript 文件
function doSearch() {
    var t = document.all["type_search"].value;
    if(t==0) {
        alert("请选择搜索类型……");
        return false;
    }
    else if(t==1)
    {
        var s = document.all["kw_search"].value;
        if((s=="")||(s=="关键字")) 
        {
            alert("请输入搜索关键字……");
            return false;
        }
        var Keyword=base64encode(utf16to8(document.all["kw_search"].value.replace(/(')/g," ")));
        Keyword=Keyword.replace("+","%2B");
        location.href = "/StudyCenter/CourseList.aspx?CXTJ="+Keyword;//document.all["kw_search"].value.replace(/(')/g," ");
        return true;
    }
    else if(t==2)
    {
        var s = document.all["kw_search"].value;
        if((s=="")||(s=="关键字")) 
        {
            alert("请输入搜索关键字……");
            return false;
        }
        var Keyword=base64encode(utf16to8(document.all["kw_search"].value.replace(/(')/g," ")));
        Keyword=Keyword.replace("+","%2B");//替换+，否则在服务器解码的时候会出错
        location.href = "/StudyCenter/NewTeacherList.aspx?CXTJ="+Keyword;//document.all["kw_search"].value.replace(/(')/g," ");
        return true;
    }
    else if(t==3)
    {
        var s = document.all["kw_search"].value;
        if((s=="")||(s=="关键字")) 
        {
            alert("请输入搜索关键字……");
            return false;
        }
        var Keyword=base64encode(utf16to8(document.all["kw_search"].value.replace(/(')/g," ")));
        Keyword=Keyword.replace("+","%2B");
        location.href = "/StudyCenter/NewOrgList.aspx?CXTJ="+Keyword;//document.all["kw_search"].value.replace(/(')/g," ");
        return true;
    }
    else if(t==4)
    {
        var s = document.all["kw_search"].value;
        if((s=="")||(s=="关键字")) 
        {
            alert("请输入搜索关键字……");
            return false;
        }
        location.href = "/StudyCenter/Students.aspx?CXTJ="+document.all["kw_search"].value.replace(/(')/g," ");
        return true;
    }
}

function utf16to8(str) {
    var out, i, len, c;

    out = "";
    len = str.length;
    for(i = 0; i < len; i++) {
 c = str.charCodeAt(i);
 if ((c >= 0x0001) && (c <= 0x007F)) {
     out += str.charAt(i);
 } else if (c > 0x07FF) {
     out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
     out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));
     out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
 } else {
     out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F));
     out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
 }
    }
    return out;
}

function utf8to16(str) {
    var out, i, len, c;
    var char2, char3;

    out = "";
    len = str.length;
    i = 0;
    while(i < len) {
 c = str.charCodeAt(i++);
 switch(c >> 4)
 {
   case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
     // 0xxxxxxx
     out += str.charAt(i-1);
     break;
   case 12: case 13:
     // 110x xxxx   10xx xxxx
     char2 = str.charCodeAt(i++);
     out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
     break;
   case 14:
     // 1110 xxxx  10xx xxxx  10xx xxxx
     char2 = str.charCodeAt(i++);
     char3 = str.charCodeAt(i++);
     out += String.fromCharCode(((c & 0x0F) << 12) |
        ((char2 & 0x3F) << 6) |
        ((char3 & 0x3F) << 0));
     break;
 }
    }

    return out;
}

var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var base64DecodeChars = new Array(
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
    -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
    -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);
//客户端Base64编码
function base64encode(str) {
    var out, i, len;
    var c1, c2, c3;

    len = str.length;
    i = 0;
    out = "";
    while(i < len) {
 c1 = str.charCodeAt(i++) & 0xff;
 if(i == len)
 {
     out += base64EncodeChars.charAt(c1 >> 2);
     out += base64EncodeChars.charAt((c1 & 0x3) << 4);
     out += "==";
     break;
 }
 c2 = str.charCodeAt(i++);
 if(i == len)
 {
     out += base64EncodeChars.charAt(c1 >> 2);
     out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
     out += base64EncodeChars.charAt((c2 & 0xF) << 2);
     out += "=";
     break;
 }
 c3 = str.charCodeAt(i++);
 out += base64EncodeChars.charAt(c1 >> 2);
 out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
 out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
 out += base64EncodeChars.charAt(c3 & 0x3F);
    }
    return out;
}
//客户端Base64解码
function base64decode(str) {
    var c1, c2, c3, c4;
    var i, len, out;

    len = str.length;
    i = 0;
    out = "";
    while(i < len) {
 /* c1 */
 do {
     c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
 } while(i < len && c1 == -1);
 if(c1 == -1)
     break;

 /* c2 */
 do {
     c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
 } while(i < len && c2 == -1);
 if(c2 == -1)
     break;

 out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));

 /* c3 */
 do {
     c3 = str.charCodeAt(i++) & 0xff;
     if(c3 == 61)
  return out;
     c3 = base64DecodeChars[c3];
 } while(i < len && c3 == -1);
 if(c3 == -1)
     break;

 out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));

 /* c4 */
 do {
     c4 = str.charCodeAt(i++) & 0xff;
     if(c4 == 61)
  return out;
     c4 = base64DecodeChars[c4];
 } while(i < len && c4 == -1);
 if(c4 == -1)
     break;
 out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
    }
    return out;
}