function ZabijShout() {
	document.getElementById("shout").style.display = 'none';
	document.getElementById("blockUI").style.display = 'none';
}

var the_timeout;

// function getAnchors()
//    this function gets the two anchor points of a segment
//    of the path and then calls moveDiv() to move the 
//    DIV along that segment
//
var winW = 800, winH = 600;

if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {

 winW = window.innerWidth;
  winH = window.innerHeight;

 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {


 //winW = document.body.offsetWidth-20;
 //winH = document.body.offsetHeight-20;
 

 }
}

function getAnchors(array_position)
{
var the_coords = new Array("-350:"+(winH-197),(winW-350) +":-247");
  var first_anchor = the_coords[array_position];
  var second_anchor = the_coords[array_position+1];
  array_position++;
  if (array_position == the_coords.length-1)
  {

  moveDiv(array_position, first_anchor, second_anchor, 0, 0);
 array_position = 0;

  }
  else{

setTimeout("getAnchors(0)",26000);
 }

}


// function moveDiv()
//   this function moves the DIV along a segment of the path
//   based on the anchor points.  It will keep calling 
//   itself with a setTimeout() until the DIV is at the end 
//   of the segment
//
function moveDiv(array_position, anchor_one, anchor_two, 
                       horizontal_step_size, vertical_step_size)
{
  var the_style = getStyleObject("akvotsalv");
  if (the_style)
  {

    // get the first anchor
    //    
    var first_points = anchor_one.split(":");
    var first_left = parseInt(first_points[0]);
    var first_top = parseInt(first_points[1]);

    // get the second anchor
    //
    var second_points = anchor_two.split(":");
    var second_left = parseInt(second_points[0]);
    var second_top = parseInt(second_points[1]);

    // if we don't know the step sizes to move the DIV, figure them out
    //
    if ((horizontal_step_size == 0) && (vertical_step_size == 0))
    {
      horizontal_step_size = 
        getStepSize(anchor_one, anchor_two, 0);

      vertical_step_size = 
        getStepSize(anchor_one, anchor_two, 1);
   }

    // figure out the new coordinates
    //
    var new_left = first_left + horizontal_step_size;
    var new_top = first_top + vertical_step_size;

    // if we're at the end of the segment, set the coordinates to
    // move the DIV to the end
    //
    if (atEndOfPath(horizontal_step_size, second_left, new_left) 
       ||(atEndOfPath(vertical_step_size, second_top, new_top)))
    {
      new_left = second_left;
      new_top = second_top;
    }

    // add the px or don't, depending on the browser
    if (!document.layers) 
    {
      new_left = new_left + "px";
      new_top = new_top + "px";
    }

    // now actually move the DIV
    //
    the_style.left = new_left;
    the_style.top = new_top;
    
    // if we're at the end of the segment, get new anchors
    // otherwise, call moveDiv() again with a new starting point
    // along the segment
    //
    if ((parseInt(new_left) == parseInt(second_left)) && 
            (parseInt(new_top) == parseInt(second_top)))
    {
      getAnchors(array_position);
    } 
    else 
    {
      var new_anchor_one = new_left + ":" + new_top;

      var timeout_string = "moveDiv(" +
        array_position + ", '" + new_anchor_one + "', '" +
        anchor_two + "', " + horizontal_step_size + "," + 
        vertical_step_size + ");";

      the_timeout = setTimeout(timeout_string, 50);
    }
  }
}

// function getStepSize()
//  this figures out how much to move the DIV each time
//
function getStepSize(anchor_one, anchor_two, position)
{

  var first_points = anchor_one.split(":");
  var first_number = parseInt(first_points[position]);

  var second_points  = anchor_two.split(":");
  var second_number = parseInt(second_points[position]);

  var step_size = Math.round((second_number - first_number)/80);

  return step_size;
}

// function atEndOfPath()
//   if the DIV is about to be moved past the end point of
//   the segment, this will return true.  Otherwise, it will
//   return false.
//
function atEndOfPath(the_step_size, second_number, new_number)
{
    var the_end = false;

    if (((the_step_size > 0) && (new_number > second_number)) ||
        ((the_step_size < 0) && (new_number < second_number)))
   {
     the_end = true;
   }

   return the_end;
}


function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
} // getStyleObject


// VZKAZY

function showhide(id) {
if (document.getElementById){
obj = document.getElementById(id);
if (obj.style.display == "none"){
obj.style.display = "";
} else {
obj.style.display = "none";
}
}
} 
function smajlik(what)
{
	document.form1.obsah.value+='**' + what;
	document.form1.obsah.focus();
}
function odstran(id)
{
	var heslo = window.prompt("Chceš-li opravdu mazat, zadej heslo");
	if(heslo)
	{
		document.frmdel.kod.value=heslo;
		document.frmdel.id.value=id;
		document.frmdel.submit();
	}
}
function inputpanel(){
showhide('schovka');
showhide('vzkazy');
if (document.getElementById('panelcontrol').innerHTML=='Zpět na vzkazy'){
document.getElementById('panelcontrol').innerHTML='Přidej vzkaz';
}else{
document.getElementById('upozorneni').style.display='none';
document.getElementById('panelcontrol').innerHTML='Zpět na vzkazy'}
}



