/* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 1.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Code also contributed by Greg Holt
 * See http://pajhome.org.uk/site/legal.html for details.
 */

function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF)
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
  return (msw << 16) | (lsw & 0xFFFF)
}

function rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt))
}

function cmn(q, a, b, x, s, t)
{
  return safe_add(rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
}
function ff(a, b, c, d, x, s, t)
{
  return cmn((b & c) | ((~b) & d), a, b, x, s, t)
}
function gg(a, b, c, d, x, s, t)
{
  return cmn((b & d) | (c & (~d)), a, b, x, s, t)
}
function hh(a, b, c, d, x, s, t)
{
  return cmn(b ^ c ^ d, a, b, x, s, t)
}
function ii(a, b, c, d, x, s, t)
{
  return cmn(c ^ (b | (~d)), a, b, x, s, t)
}

function coreMD5(x)
{
  var a =  1732584193
  var b = -271733879
  var c = -1732584194
  var d =  271733878

  for(i = 0; i < x.length; i += 16)
  {
    var olda = a
    var oldb = b
    var oldc = c
    var oldd = d

    a = ff(a, b, c, d, x[i+ 0], 7 , -680876936)
    d = ff(d, a, b, c, x[i+ 1], 12, -389564586)
    c = ff(c, d, a, b, x[i+ 2], 17,  606105819)
    b = ff(b, c, d, a, x[i+ 3], 22, -1044525330)
    a = ff(a, b, c, d, x[i+ 4], 7 , -176418897)
    d = ff(d, a, b, c, x[i+ 5], 12,  1200080426)
    c = ff(c, d, a, b, x[i+ 6], 17, -1473231341)
    b = ff(b, c, d, a, x[i+ 7], 22, -45705983)
    a = ff(a, b, c, d, x[i+ 8], 7 ,  1770035416)
    d = ff(d, a, b, c, x[i+ 9], 12, -1958414417)
    c = ff(c, d, a, b, x[i+10], 17, -42063)
    b = ff(b, c, d, a, x[i+11], 22, -1990404162)
    a = ff(a, b, c, d, x[i+12], 7 ,  1804603682)
    d = ff(d, a, b, c, x[i+13], 12, -40341101)
    c = ff(c, d, a, b, x[i+14], 17, -1502002290)
    b = ff(b, c, d, a, x[i+15], 22,  1236535329)

    a = gg(a, b, c, d, x[i+ 1], 5 , -165796510)
    d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632)
    c = gg(c, d, a, b, x[i+11], 14,  643717713)
    b = gg(b, c, d, a, x[i+ 0], 20, -373897302)
    a = gg(a, b, c, d, x[i+ 5], 5 , -701558691)
    d = gg(d, a, b, c, x[i+10], 9 ,  38016083)
    c = gg(c, d, a, b, x[i+15], 14, -660478335)
    b = gg(b, c, d, a, x[i+ 4], 20, -405537848)
    a = gg(a, b, c, d, x[i+ 9], 5 ,  568446438)
    d = gg(d, a, b, c, x[i+14], 9 , -1019803690)
    c = gg(c, d, a, b, x[i+ 3], 14, -187363961)
    b = gg(b, c, d, a, x[i+ 8], 20,  1163531501)
    a = gg(a, b, c, d, x[i+13], 5 , -1444681467)
    d = gg(d, a, b, c, x[i+ 2], 9 , -51403784)
    c = gg(c, d, a, b, x[i+ 7], 14,  1735328473)
    b = gg(b, c, d, a, x[i+12], 20, -1926607734)

    a = hh(a, b, c, d, x[i+ 5], 4 , -378558)
    d = hh(d, a, b, c, x[i+ 8], 11, -2022574463)
    c = hh(c, d, a, b, x[i+11], 16,  1839030562)
    b = hh(b, c, d, a, x[i+14], 23, -35309556)
    a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060)
    d = hh(d, a, b, c, x[i+ 4], 11,  1272893353)
    c = hh(c, d, a, b, x[i+ 7], 16, -155497632)
    b = hh(b, c, d, a, x[i+10], 23, -1094730640)
    a = hh(a, b, c, d, x[i+13], 4 ,  681279174)
    d = hh(d, a, b, c, x[i+ 0], 11, -358537222)
    c = hh(c, d, a, b, x[i+ 3], 16, -722521979)
    b = hh(b, c, d, a, x[i+ 6], 23,  76029189)
    a = hh(a, b, c, d, x[i+ 9], 4 , -640364487)
    d = hh(d, a, b, c, x[i+12], 11, -421815835)
    c = hh(c, d, a, b, x[i+15], 16,  530742520)
    b = hh(b, c, d, a, x[i+ 2], 23, -995338651)

    a = ii(a, b, c, d, x[i+ 0], 6 , -198630844)
    d = ii(d, a, b, c, x[i+ 7], 10,  1126891415)
    c = ii(c, d, a, b, x[i+14], 15, -1416354905)
    b = ii(b, c, d, a, x[i+ 5], 21, -57434055)
    a = ii(a, b, c, d, x[i+12], 6 ,  1700485571)
    d = ii(d, a, b, c, x[i+ 3], 10, -1894986606)
    c = ii(c, d, a, b, x[i+10], 15, -1051523)
    b = ii(b, c, d, a, x[i+ 1], 21, -2054922799)
    a = ii(a, b, c, d, x[i+ 8], 6 ,  1873313359)
    d = ii(d, a, b, c, x[i+15], 10, -30611744)
    c = ii(c, d, a, b, x[i+ 6], 15, -1560198380)
    b = ii(b, c, d, a, x[i+13], 21,  1309151649)
    a = ii(a, b, c, d, x[i+ 4], 6 , -145523070)
    d = ii(d, a, b, c, x[i+11], 10, -1120210379)
    c = ii(c, d, a, b, x[i+ 2], 15,  718787259)
    b = ii(b, c, d, a, x[i+ 9], 21, -343485551)

    a = safe_add(a, olda)
    b = safe_add(b, oldb)
    c = safe_add(c, oldc)
    d = safe_add(d, oldd)
  }
  return [a, b, c, d]
}

function binl2hex(binarray)
{
  var hex_tab = "0123456789abcdef"
  var str = ""
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8)) & 0xF)
  }
  return str
}

function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
  var str = ""
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    x = binarray[i>>2]
    alert(binarray[i>>5+1])
    str += tab.charAt(((binarray[i>>5] << (i%32)) & 0x3F) |
                      ((binarray[i>>5+1] >> (32-i%32)) & 0x3F))
  }
  return str
}

function binb2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
  var str = ""
  for(var i = 0; i < binarray.length * 32; i += 6)
  {
    alert(binarray[i>>5+1])
    str += tab.charAt(((binarray[i>>5] << (i%32)) & 0x3F) |
                      ((binarray[i>>5+1] >> (32-i%32)) & 0x3F))
  }

  return str
}

function str2binl(str)
{
  var nblk = ((str.length + 8) >> 6) + 1 // number of 16-word blocks
  var blks = new Array(nblk * 16)
  for(var i = 0; i < nblk * 16; i++) blks[i] = 0
  for(var i = 0; i < str.length; i++)
    blks[i>>2] |= (str.charCodeAt(i) & 0xFF) << ((i%4) * 8)
  blks[i>>2] |= 0x80 << ((i%4) * 8)
  blks[nblk*16-2] = str.length * 8
  return blks
}

function strw2binl(str)
{
  var nblk = ((str.length + 4) >> 5) + 1 // number of 16-word blocks
  var blks = new Array(nblk * 16)
  for(var i = 0; i < nblk * 16; i++) blks[i] = 0
  for(var i = 0; i < str.length; i++)
    blks[i>>1] |= str.charCodeAt(i) << ((i%2) * 16)
  blks[i>>1] |= 0x80 << ((i%2) * 16)
  blks[nblk*16-2] = str.length * 16
  return blks
}

function hexMD5 (str) { return binl2hex(coreMD5( str2binl(str))) }
function hexMD5w(str) { return binl2hex(coreMD5(strw2binl(str))) }
function b64MD5 (str) { return binl2b64(coreMD5( str2binl(str))) }
function b64MD5w(str) { return binl2b64(coreMD5(strw2binl(str))) }
function calcMD5(str) { return binl2hex(coreMD5( str2binl(str))) }

//-------------------------------konec md5 sekce-----------------------------------------------
function validate_login_form(form)
        {
        if(form.login.value=="")
                {
                alert("Login musíte vyplnit");
                return false;
                }
        else if(form.password.value=="")
                {
                alert("Heslo musíte vyplnit");
                return false;
                }
        else
                {
                form.javascript.value="on";
                form.password.value=hexMD5(form.password.value);
                return true;
                }
        }

function swap_image(id)
   {
   image_menu=document.getElementById(id);
   var old_src=image_menu.src;
   var match_string_minus=/minus/;
   var match_string_plus=/plus/;
   if(old_src.search(match_string_minus)!=-1)
     {
	 var temp=old_src;
	 new_src=temp.replace(match_string_minus,"plus");
	 }
   if(old_src.search(match_string_plus)!=-1)
     {
	 var temp=old_src;
	 new_src=temp.replace(match_string_plus,"minus");
	 }	 
   image_menu.src=new_src;
   }
/*
//Puvodni verze, ktera byla pouzita u +- menu

function switch_menu(id)
   {   
   var layer_id="tree_layer"+id;
   var tree_item_id="tree_item"+id;
   var kat_layer=document.getElementById(layer_id);
   if(kat_layer.style.display=="inline")
     {
     kat_layer.style.display="none";
     swap_image(tree_item_id);	 
	 }
   else
     {
     kat_layer.style.display="inline";
	 swap_image(tree_item_id);	 
     }   
   }
*/ 

//VERZE Z REGPHARM.CZ
//zobrazuje a skryva uzly menu
//type je typ menu (eshop,ck,catalogue, kvuli kolizi id vrstev a images)
//id je cislo prvku
//display_type je typ elementu bud block nebo inline
//sw_image je hodnota 1 pokud se ma volat swap image a 0 pokud ne
function switch_menu(display_type,type,id,sw_image)
{   
	var layer_id=type+"_tree_layer"+id;
	var tree_item_id=type+"_tree_item"+id;
	var kat_layer=document.getElementById(layer_id);
	
	if(kat_layer.style.display==display_type)
	{
		kat_layer.style.display="none";
		
		if(sw_image==1)
		{
			swap_image(tree_item_id);
		}
	}
	else
	{
		kat_layer.style.display=display_type;
		
		if(sw_image==1)
		{
			swap_image(tree_item_id);
		}
	}   
}

function otevri_okno(obrazek)
{
var win=window.open("","nazev","width=600,height=600,menubar=no,toolbar=no");
win.document.write("<html><body bgcolor='#FFF3BD'>");
win.document.write("<table width='100%' height='100%'><tr><td valign='middle' align='center'><a href='javascript:window.close()'><img src='"+obrazek+"' border='0' alt='Kliknutím na obrázek zavřete okno' /></td></tr></table>");
win.document.write("</body></html>");
}

function validate_count(form)
        {
        if(form.insert_count.value<1 || form.insert_count.value>10000 || isNaN(form.insert_count.value) || form.insert_count.value.indexOf(".")==1)
                {
                alert("Nesprávně zadaný počet kusů");
                return false;
                }
        else
                {
                buy();
                return true;
                }
        }
function validate_edit_count(form)
        {
        if(form.edit_count.value<1 || isNaN(form.edit_count.value) || form.edit_count.value.indexOf(".")==1)
                {
                alert("Nesprávně zadaný počet kusů");
                return false;
                }
        else
                {
                return true;
                }
        }
function delete_confirm()
{
logic=window.confirm("Opravdu chcete pokračovat v mazání?");
if(logic)
        {
        return true;
        }
        else
        {
        return false;
        }
}

function validate_search(form)
	{
	if(form.key_words.value=='' || form.key_words.value.length<2)
		{
		alert("Musí být zadáno klíčové slovo delší než 1 znak");
		return false;
		}
	else
		{
		return true;
		}
	}

function validate_email(form)
	{
		if(form.email.value=='' || form.email.value.length<=5 || form.email.value.indexOf('@')==-1)
			{
				alert("E-mailová adresa není zadána ve správném tvaru");
				return false;
			}
			else
			{
				return true;
			}
	}


	
function switch_adv_form(id)
	{
	var adv_form=document.getElementById(id);
	if(adv_form.style.display=="none")
		{
		adv_form.style.display="block";
		}
	else
		{
		adv_form.style.display="none";
		}
	}
function validate_adv_search(form)
	{
	if(form.key_words.value=='' || form.key_words.value.length<2)
		{
		alert("Musí být zadáno klíčové slovo delší než 1 znak");
		return false;
		}
	else if(form.item_name.checked==false && form.short_text.checked==false && form.long_text.checked==false && form.code.checked==false)
		{
		alert("Musíte vyhledávat alespoň podle jednoho atributu");
		return false;
		}
	return true;
	}


function order_confirmation()
	{
	logic=window.confirm("Opravdu chcete vytvořit závaznou rezervaci?");
	if(logic)
          {
          return true;
          }
        else
          {
          return false;
          }
	}

var bookmarkurl="http://www.dknv.cz"
var bookmarktitle="DKNV půjčovna nářadí"

function addbookmark(){
  if (document.all)
  window.external.AddFavorite(bookmarkurl,bookmarktitle)
}

function objGet(x) {
      if (typeof x != 'string') return x;
   else if (Boolean(document.getElementById))
         return document.getElementById(x);
   else if (Boolean(document.all))
         return eval('document.all.'+x);
   else if (Boolean(document.ids))
         return eval('document.ids.'+x);
   else
      return null;
}

function disable_time()
	{	
	elem=objGet("insert_days");	
	if(document.to_cart_form.unit.selectedIndex==0 && document.to_cart_form.insert_days.disabled==true)
		{
		
		}
	else if(document.to_cart_form.unit.selectedIndex==0 && document.to_cart_form.insert_days.disabled==false)
		{
		document.to_cart_form.insert_days.disabled=true;
		elem.style.backgroundColor="silver";
		}
	else if(document.to_cart_form.unit.selectedIndex==1 && document.to_cart_form.insert_days.disabled==true)
		{
		document.to_cart_form.insert_days.disabled=false;
		elem.style.backgroundColor="white";
		}
	else if(document.to_cart_form.unit.selectedIndex==1 && document.to_cart_form.insert_days.disabled==false)
		{
		}
	}
//*************************************************************//
//popup okna pro mod_popup
function gen_popup(url,lang,width,height)
{
	var win_params='menubar=0,personalbar=0,toolbar=0,scrollbars=1,width='+width+',height='+height+',screenX='+(screen.width/2-width/2)+',screenY='+(screen.height/2-height/2)+',left='+(screen.width/2-width/2)+',top='+(screen.height/2-width/2)+',status=0';	
	var full_url=url;
	//var win_params='width='+width+',height='+height+',menubar=no,toolbar=no,scrollbars=1';
	full_url=full_url+'popup.php?lang='+lang;
	windowRef = window.open(full_url,"",win_params);
	wasOpen = false;
	if (typeof(windowRef) == "object")
	{
		wasOpen = true;
	}
	return wasOpen;
}

//zahlasuje tak ze vezme aktualni url, doda action a prida parametry hlasovani
function vote(id_inq,id_answer)
{
	var delim =new String('');
	var new_url= new String(window.location);
	if(new_url.indexOf('?')==-1)
	{
		delim="?";
	}
	else
	{
		delim="&";
	}
	
	new_url=new_url + delim + "action=vote&vote_id=" + id_inq + "&answer_id=" + id_answer;
	window.location.replace(new_url);
}