// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false

// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.captureEvents(Event.MOUSEMOVE)

// Set-up to use getMouseXY function onMouseMove


// Temporary variables to hold mouse x-y pos.s
var tempX = 0
var tempY = 0

// Main function to retrieve mouse x-y pos.s

function getMouseXY(e) {

  if (IE) { // grab the x-y pos.s if browser is IE
    var pageScroll = 0
    if (0 != document.documentElement.scrollTop) {
      pageScroll = document.documentElement.scrollTop;
    } else if(0 != document.body.scrollTop) {
      pageScroll = document.body.scrollTop        
    }  
    var tempX = event.clientX + document.body.scrollLeft
    var tempY = event.clientY + pageScroll
  } else {  // grab the x-y pos.s if browser is NS
    var tempX = e.pageX
    var tempY = e.pageY
  }  
  // catch possible negative values in NS4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}  
  // show the positio values in the form named Show
  // in the text fields named MouseX and MouseY
  document.Show.MouseX.value = tempX
  document.Show.MouseY.value = tempY
  document.getElementById('helper').style.left=tempX + 30 + 'px';
  document.getElementById('helper').style.top=document.Show.MouseY.value + 'px';	
  return true
}
 
 
 
	function showhide(x) {
	a=document.getElementById(x).style.display;
	if (a=='block') {
	 document.getElementById(x).style.display='none';
	} else {
	 document.getElementById(x).style.display='block';
	}		
	}	
	
	function showhelp(a) {
	  var helperElement = document.getElementById('helper');
	  if(helperElement) {
      document.getElementById('helper').style.display='block';
  	  document.getElementById('helper').innerHTML=a;
      Element.setOpacity('helper', '0.7');
    }  
}

function hidehelp() {

   document.getElementById('helper').style.display='none';
}

function helpPopup(task, lang) {
  startIndicator();
  win_size_x=400; //horizontální velikost okna
  win_size_y=200; //vertikální velikost okna
  win_pos_x=(screen.width-win_size_x)/2; //horizontální pozice okna
  win_pos_y=(screen.height-win_size_y)/2; //vertikální velikost okna
  
  var okno = window.open('http://www.raketu.com/en/callhelp'+lang+'.html', 'detail', 'resizable,scrollbars=yes,width=' + win_size_x + ',height=' + win_size_y + ',top=' + win_pos_y + ',left=' + win_pos_x);
  okno.task = task;
  okno.focus();
  stopIndicator();
}