/*
(c) www.iplay.sk
*/
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function nahoru()
{
    if (run == 1)
    {
        if (document.getElementById('friends').scrollTop > 0)
        {
            document.getElementById('friends').scrollTop--;
            window.setTimeout("nahoru()",10);
        }
    }
}

function dolu()
{
    if (run == 1)
    {
        document.getElementById('friends').scrollTop++;
        window.setTimeout("dolu()",10);
    }
}

	var minpwlength = 5;
    var fairpwlength = 10;
    var STRENGTH_SHORT = 0;  // less than minpwlength
    var STRENGTH_WEAK = 1;  // less than fairpwlength
    var STRENGTH_FAIR = 3;  // fairpwlength or over, no numbers
    var STRENGTH_STRONG = 3; // fairpwlength or over with at least one number
    img0 = new Image();
    img1 = new Image();
    img2 = new Image();
    img3 = new Image();
    //img0.src = './cs/obr/pw/1.jpg';
    //img1.src = './cs/obr/pw/2.jpg';
    //img2.src = './cs/obr/pw/3.jpg';
    //img3.src = './cs/obr/pw/4.jpg';
    var strengthlevel = 0;
    var strengthimages = Array(img0.src, img1.src, img2.src, img3.src );
    function updatestrength(pw)
    {
        if( istoosmall( pw ) )   { strengthlevel = STRENGTH_SHORT; }
        else if( !isfair( pw ) ) { strengthlevel = STRENGTH_WEAK; }
        else if( hasnum( pw ) )  { strengthlevel = STRENGTH_STRONG; }
        else { strengthlevel = STRENGTH_FAIR; }
        document.getElementById( 'strength' ).src = strengthimages[ strengthlevel ];
    }
    function isfair(pw)
    {
        if( pw.length < fairpwlength ) { return false; }
          else {  return true; }
    }
    function istoosmall(pw)
    {
        if( pw.length < minpwlength ) { return true; }
        else { return false; }
    }
    function hasnum(pw)
    {
        var hasnum = false;
        for(var counter=0; counter<pw.length; counter++)
        {
            if(!isNaN(pw.charAt(counter))) { hasnum = true; }
        }
        return hasnum;
    }

function emo(emo) {
	document.F.text.value += emo;
	document.F.text.focus();
	return;
}

function flipBox(who) {
	var tmp;
	if (document.images['b_' + who].src.indexOf('_on') == -1) {
		tmp = document.images['b_' + who].src.replace('_off', '_on');
		document.getElementById('box_' + who).style.display = 'none';
		document.images['b_' + who].src = tmp;
	} else {
		tmp = document.images['b_' + who].src.replace('_on', '_off');
		document.getElementById('box_' + who).style.display = 'block';
		document.images['b_' + who].src = tmp;
	}
}

function addText(elname, wrap1, wrap2) {
	if (document.selection) { // for IE
		var str = document.selection.createRange().text;
		document.forms['inputform'].elements[elname].focus();
		var sel = document.selection.createRange();
		sel.text = wrap1 + str + wrap2;
		return;
	} else if ((typeof document.forms['inputform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var txtarea = document.forms['inputform'].elements[elname];
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		var oldScrollTop = txtarea.scrollTop;
		//if (selEnd == 1 || selEnd == 2)
		//selEnd = selLength;
		var s1 = (txtarea.value).substring(0,selStart);
		var s2 = (txtarea.value).substring(selStart, selEnd)
		var s3 = (txtarea.value).substring(selEnd, selLength);
		txtarea.value = s1 + wrap1 + s2 + wrap2 + s3;
		txtarea.selectionStart = s1.length;
		txtarea.selectionEnd = s1.length + s2.length + wrap1.length + wrap2.length;
		txtarea.scrollTop = oldScrollTop;
		txtarea.focus();
		return;
	} else {
		insertText(elname, wrap1 + wrap2);
	}
}

function insertText(elname, what) {
	if (document.forms['inputform'].elements[elname].createTextRange) {
		document.forms['inputform'].elements[elname].focus();
		document.selection.createRange().duplicate().text = what;
	} else if ((typeof document.forms['inputform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var tarea = document.forms['inputform'].elements[elname];
		var selEnd = tarea.selectionEnd;
		var txtLen = tarea.value.length;
		var txtbefore = tarea.value.substring(0,selEnd);
		var txtafter =  tarea.value.substring(selEnd, txtLen);
		var oldScrollTop = tarea.scrollTop;
		tarea.value = txtbefore + what + txtafter;
		tarea.selectionStart = txtbefore.length + what.length;
		tarea.selectionEnd = txtbefore.length + what.length;
		tarea.scrollTop = oldScrollTop;
		tarea.focus();
	} else {
		document.forms['inputform'].elements[elname].value += what;
		document.forms['inputform'].elements[elname].focus();
	}
}

function show_hide(msg_id) {
	msg_id.style.display = msg_id.style.display == 'none' ? 'block' : 'none';
}

var TabsExample = {
    init : function(){
        // basic tabs 1, built from existing content
        var tabs = new YAHOO.ext.TabPanel('tabs1');
        tabs.addTab('script', "View Script");
        tabs.addTab('markup', "View Markup");
        tabs.activate('script');

        // second tabs built from JS
        var jtabs = new YAHOO.ext.TabPanel('jtabs');
        jtabs.addTab('jtabs-1', "Normal Tab", "My content was added during construction.");

        var tab2 = jtabs.addTab('jtabs-2', "Ajax Tab 1");
        var updater = tab2.getUpdateManager();
        updater.setDefaultUrl('ajax1.htm');
        tab2.on('activate', updater.refresh, updater, true);

        var tab3 = jtabs.addTab('jtabs-3', "Ajax Tab 2");
        tab3.setUrl('ajax2.htm', null, true);

        var tab4 = jtabs.addTab('jtabs-4', "Event Tab");
        tab4.setContent("I am tab 4's content. My content was set with setContent() after I was created. I also have an event listener attached.");
        tab4.on('activate', function(){
            alert('Tab 4 was activated.');
        });

        jtabs.addTab('tabs1-5', "Disabled Tab", "Can't see me cause I'm disabled");
        jtabs.disableTab('tabs1-5');

        jtabs.activate('jtabs-1');
    }
}
YAHOO.ext.EventManager.onDocumentReady(TabsExample.init, TabsExample, true);

var snowmax=35;
var snowcolor=new Array("#aaaacc","#ddddFF","#ccccDD");
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS");
var snowletter="*";
var sinkspeed=0.6;
var snowmaxsize=22;
var snowminsize=8;
var snowingzone=3;
var snow=new Array();
var marginbottom;
var marginright;
var timer;
var i_snow=0;
var x_mv=new Array();
var crds=new Array();
var lftrght=new Array();
var browserinfos=navigator.userAgent 
var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/)
var ns6=document.getElementById&&!document.all
var opera=browserinfos.match(/Opera/)  
var browserok=ie5||ns6||opera

function randommaker(range) {                
        rand=Math.floor(range*Math.random())
    return rand
}

function initsnow() {
        if (ie5 || opera) {
                marginbottom = document.body.clientHeight
                marginright = document.body.clientWidth
        }
        else if (ns6) {
                marginbottom = window.innerHeight
                marginright = window.innerWidth
        }
        var snowsizerange=snowmaxsize-snowminsize
        for (i=0;i<=snowmax;i++) {
                crds[i] = 0;                      
            lftrght[i] = Math.random()*15;         
            x_mv[i] = 0.03 + Math.random()/10;
                snow[i]=document.getElementById("s"+i)
                snow[i].style.fontFamily=snowtype[randommaker(snowtype.length)]
                snow[i].size=randommaker(snowsizerange)+snowminsize
                snow[i].style.fontSize=snow[i].size
                snow[i].style.color=snowcolor[randommaker(snowcolor.length)]
                snow[i].sink=sinkspeed*snow[i].size/5
                if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}
                if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}
                if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}
                if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}
                snow[i].posy=randommaker(2*marginbottom-marginbottom-2*snow[i].size)
                snow[i].style.left=snow[i].posx
                snow[i].style.top=snow[i].posy
        }
        movesnow()
}

function movesnow() {
        for (i=0;i<=snowmax;i++) {
                crds[i] += x_mv[i];
                snow[i].posy+=snow[i].sink
                snow[i].style.left=snow[i].posx+lftrght[i]*Math.sin(crds[i]);
                snow[i].style.top=snow[i].posy
                
                if (snow[i].posy>=marginbottom-2*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){
                        if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}
                        if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}
                        if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}
                        if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}
                        snow[i].posy=0
                }
        }
        var timer=setTimeout("movesnow()",50)
}

for (i=0;i<=snowmax;i++) {
        document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>")
}
if (browserok) {
        window.onload=initsnow
}
initsnow();