function full(xmlFilePrefix,xmlFilePostfix,currentXmlToLoad,idStart) {

var win_name = "slideshow.php" + "?xmlFilePrefix=" + xmlFilePrefix + "&xmlFilePostfix=" + xmlFilePostfix + "&currentXmlToLoad=" + currentXmlToLoad + "&idStart=" + idStart;
window.open(win_name,'_blank','fullscreen=yes,top=0,left=0,outerHeight=' + screen.availHeight + ',outerWidth=' + screen.availWidth);
}