function showmailform(action) {
	var x = document.getElementById("ef");
	if (action == 1) {x.style.display = 'block';}
	else {x.style.display = 'none';}
	return false;
};

function zobraz2(name, file,wi,he)   {		
  	 theURL=file;
  	 W = parseInt(wi);
  	 H = parseInt(he);
  	 okno = window.open(theURL, "navrh" ,"width="+W+",height="+H+",left=0,top=0,scrollbars=1, resizable=yes");
  	 okno.resizeTo(W,H);
  	 okno.focus();
  }