// JavaScript Document

var text = "";
function add_link(obj)
{
    var a = document.getElementById(obj);
    var data = a.value;
    
   if (window.navigator.userAgent.indexOf( "MSIE" ) > 0) {
     if(text == "")
      alert("Musíte označit nějaký text!");
      else {
       var b = new String(window.prompt("Zadejte odkaz:",""));
       if(b != 'null') 
       { 
        if(b.substr(0, 4) != "http")
         b  = "http://"+b;
        var link = "<a href=\""+b+"\">"+text+"</a>";
        a.value = (data.replace(text, link));
       }
      }
   } 
   else 
    if (window.navigator.userAgent.indexOf( "Netscape" ) > 0)
    {
     var b = window.prompt("Zadejte nazev:","");
     var c = window.prompt("Zadejta odkaz:","");
     a.value = data+"<a href=\""+c+"\" style=\"font-size=1.1em\">"+b+"</a>";    
    }
    else
    if (window.navigator.userAgent.substr(0,7) == 'Mozilla')
    {
     var b = window.prompt("Zadejte nazev:","");
     var c = window.prompt("Zadejta odkaz:","");
     a.value = data+"<a href=\""+c+"\" style=\"font-size=1.1em\">"+b+"</a>";    
    }    
}

function replyE()
{
   if (window.navigator.userAgent.indexOf( "MSIE" ) > 0)
   {
    var b = document.selection.createRange();
    text = b.text;
   }
}

function replyN()
{
   if (window.navigator.userAgent.indexOf( "Netscape" ) > 0)
   {
    var a = document.getElementById(obj);
    var data = a.value;
    var b = window.prompt("Zadejte nazev:","");
    var c = window.prompt("Zadejta odkaz:","");
    a.value = data+"<a href=\""+c+"\">"+b+"</a>";    
   }
}




function opennew(co,sirka,vyska)
{
var scroll = '1';

    if(co.indexOf('crop') > 0)
     {
      if(sirka < 620)
       sirka = 640;
      if(vyska < 480) 
       vyska = 480;
       
       sirka = sirka + 37;
       vyska = vyska + 37;
       scroll = 1;
     }
    if(co.indexOf('resize') > 0)
     {
         sirka = 640;
         vyska = 480;
         scroll = 1;
     }
 
 var leftp = (window.screen.width/2)-(sirka/2);
 var topp  = (window.screen.height/2)-(vyska/2)-200;

     window.open(co, '_blank', 'left='+leftp+', top='+topp+', location=0, menubar=0, toolbar=0, titlebar=0, status=0, width='+(sirka)+', height='+(vyska)+', resizable=1, scrollbars='+(scroll)+'');
}