function win(sirka,vyska,url)
		{
			msg=window.open(url,'max',"toolbar=no,menubar=no,location=no,directories=no,scrollbars=no,resizable=no,status=no,width="+sirka+",height="+vyska+",top=50,left=50");
			return true;
		}
function writeCookie() 
{
	var today = new Date();
	var the_date = new Date("December 31, 2099");
	var the_cookie_date = the_date.toGMTString();
	var the_cookie = "myWidth="+ window.screen.availWidth;
	var the_cookie = the_cookie + ";expires=" + the_cookie_date;
	document.cookie=the_cookie
}
function showHide(iddiv, parent){
  pel=document.getElementById(parent).style;
  el=document.getElementById(iddiv).style;
  if (el.display == 'block') {
     pel.backgroundPosition='top left';
     el.display='none';
     document.cookie=iddiv+"=0";
  }else{
     pel.backgroundPosition='bottom left';  
     el.display='block';
     document.cookie=iddiv+"=1";
  }
}