/***********************************************************************************************
* name: rjsUtility.js
* desc: Různé pomocné funkce.
* auth: Lukáš Mitvalský
* Copyright © 2008 Welldone s.r.o.
*
* depend: independent
***********************************************************************************************/
/* Zobrazeni obrazku v novem okne. Je pouzit autoSize. */
function rsfShowPic(url, title, desc)
{
w = window.open('','','toolbar=no,location=no,directories=no,status=no,scrollbars=no' +
',resizable=yes,copyhistory=no,width=0,height=0,left=0,top=0');
w.document.write(""+title+"\n");
w.document.write("\n");
w.document.write("\n");
w.document.write("!["+title+"]("+url+" "\"+desc+\"")
\n");
w.document.write("");
w.document.close();
}
/* Ziska aktualne nejvyssi z-index na strance nebo v konkretnim objektu (pokud je zadan parametr). */
function rsfGetHighestZIndex(obj)
{
var highestIndex = 0;
var currentIndex = 0;
var arrElements = Array();
// Hledat pouze v zadanem elementu nebo na cele stránce
if (obj) arrElements = obj.getElementsByTagName('*');
else arrElements = document.getElementsByTagName('*');
// Projede vsechny elementy a zjisti jejich z-index
for (var i = 0; i < arrElements.length; i++)
{
currentIndex = parseInt(arrElements[i].style.zIndex);
if (!isNaN(currentIndex) && currentIndex > highestIndex) highestIndex = currentIndex;
}
return highestIndex;
}
/* Presune zadany objekt nad vsechny ostatni objekty na strance. */
function rsfObjectOnTop(obj)
{
if (obj)
{
newZIndex = rsfGetHighestZIndex() + 1;
obj.style.zIndex = newZIndex;
}
else
throw "Exception in rsfObjectOnTop(): Object could not be found.";
}
/* Presune zadany objekt nad vsechny ostatni objekty na strance. Objekt je zadan prostrednictvim jeho ID. */
function rsfObjectOnTopById(objId)
{
var obj = document.getElementById(objId);
rsfObjectOnTop(obj);
}
/* Nahradi vsechny vyrazy {cislo} v danem retezci zadanymi argumenty. */
function rsfStringFormat(str)
{
var retStr = str;
for(var i = 1; i < arguments.length; i++)
{
retStr = retStr.replace('{' + (i - 1) + '}', arguments[i]);
}
return retStr;
}