document.onmouseup = mouseUp;
var dicwin;
var oldstr;
var onlineDictCheck;


    onlineDictCheck = getCookie("onlineDictCheck");

    if(onlineDictCheck==1){
        document.all.onlinedict.checked=true;
    }else{
        document.all.onlinedict.checked=false;
    }

function parseCookie(){
   var cookieList = document.cookie.split("; ");
   var cookieArray = new Array();
   for (var i = 0; i < cookieList.length; i++) {
      var name = cookieList[i].split("=");
      cookieArray[unescape(name[0])] = unescape(name[1]);
   }
   return cookieArray;
}

function getCookie(cookie){
    var cookies = parseCookie();
    if (null == cookies[cookie]) {
       onlineDictCheck = 1;
       document.cookie = "onlineDictCheck=1"; 
    }
    else {
       if (cookies.onlineDictCheck == 1) {
          onlineDictCheck = 1;
       }
       else {
          onlineDictCheck = 0;
       }
    }
    return onlineDictCheck;
}

function setCookie(){
    var cookieValue="";
    if(document.all.onlinedict.checked==true){
        cookieValue = "onlineDictCheck=1";
        onlineDictCheck = 1;
    }else{
        cookieValue = "onlineDictCheck=0";
        onlineDictCheck = 0;
    }
    document.cookie = cookieValue;
}

function mouseUp() {
   var txtRange = document.selection.createRange();
   var str = txtRange.text;
   if (onlineDictCheck == 1) {
      if (leftTrim(str) !=  "" && oldstr != str) {	
         dicwin = window.open("","talk","scrollbars=yes,toolbar=no,direction=no,location=no,scrollbars=no,status=no,left=0,top=0,width=300,height=220,copyhistory=no");
         dicwin.focus();
         var rvalue = str.search("'");
         if (rvalue == -1) {
            dicwin.location = "/dict/lookupdic.asp?word=" + str.toLowerCase();
         }
         else {
            str = str.substr(0,rvalue);
            dicwin.location = "/dict/lookupdic.asp?word=" + str.toLowerCase();
         }
         
      }
      oldstr = str;
   }
}

function leftTrim(str) {
   var CheckStr = "";
   var flag = 0;

   for (var j = 0;  j < str.length;  j++) {
       if (flag == 0) {
          if (str.charAt(j) != " ") {
             CheckStr = CheckStr + str.charAt(j);  
             flag = 1;
          }
       } else {
          CheckStr = CheckStr + str.charAt(j);
       }
    }
    return CheckStr;
}