var ime_ozadja = '';
var vir_ozadja = '';

function zamenjajOzadje(ime, vir)
{
	if (document.getElementById && document.getElementById(ime)) {
		ime_ozadja = ime;
		vir_ozadja = document.getElementById(ime).style.backgroundImage;
		document.getElementById(ime).style.backgroundImage = 'url("' + vir + '")';
	}
}

function ponastaviOzadje()
{
	if (document.getElementById && ime_ozadja != '' && document.getElementById(ime_ozadja)) {
		document.getElementById(ime_ozadja).style.backgroundImage = (vir_ozadja == '') ? '' : 'url("' + vir_ozadja + '")';
		ime_ozadja = '';
		vir_ozadja = '';
	}
}

var cas_id = null;
//postopomaPrikazuj('smucanje', 1, 1, 0, 50, 1)
function postopomaPrikazuj(ime, nasicenost, interval_nasicenosti, zacetna_nasicenost, koncna_nasicenost, osvezi)
{
	if (document.getElementById && document.getElementById(ime)) {
		if (document.getElementById(ime).style.opacity != undefined) {
			document.getElementById(ime).style.opacity = nasicenost / 100;
		}
		else if (document.getElementById(ime).style.MozOpacity != undefined) {
			document.getElementById(ime).style.MozOpacity = nasicenost / 100;
		}
		else if (document.getElementById(ime).filters && document.getElementById(ime).filters.alpha && document.getElementById(ime).filters.alpha.opacity) {
			document.getElementById(ime).filters.alpha.opacity = nasicenost;
		}
		nasicenost += interval_nasicenosti;
		if (cas_id == null) document.getElementById(ime).style.backgroundColor = '#ffae00';
		if (cas_id != null && (nasicenost <= zacetna_nasicenost || nasicenost >= koncna_nasicenost)) {
			clearTimeout(cas_id);
			cas_id = null;
		}
		else cas_id = setTimeout('postopomaPrikazuj(\'' + ime + '\', ' + nasicenost + ', ' + interval_nasicenosti + ', ' + zacetna_nasicenost + ', ' + koncna_nasicenost + ', ' + osvezi + ')', osvezi);
	}
}
//postopomaSkrivaj('smucanje', 49, 1, 50, 0, 1)
function postopomaSkrivaj(ime, nasicenost, interval_nasicenosti, zacetna_nasicenost, koncna_nasicenost, osvezi)
{
	if (document.getElementById && document.getElementById(ime)) {
		if (document.getElementById(ime).style.opacity != undefined) {
			document.getElementById(ime).style.opacity = nasicenost / 100;
		}
		else if (document.getElementById(ime).style.MozOpacity != undefined) {
			document.getElementById(ime).style.MozOpacity = nasicenost / 100;
		}
		else if (document.getElementById(ime).filters && document.getElementById(ime).filters.alpha && document.getElementById(ime).filters.alpha.opacity) {
			document.getElementById(ime).filters.alpha.opacity = nasicenost;
		}
		nasicenost -= interval_nasicenosti;
		if (cas_id != null && (nasicenost >= zacetna_nasicenost || nasicenost <= koncna_nasicenost)) {
			clearTimeout(cas_id);
			cas_id = null;
			document.getElementById(ime).style.backgroundColor = '';
			if (document.getElementById(ime).style.opacity != undefined) {
				document.getElementById(ime).style.opacity = 1;
			}
			else if (document.getElementById(ime).style.MozOpacity != undefined) {
				document.getElementById(ime).style.MozOpacity = 1;
			}
			else if (document.getElementById(ime).filters && document.getElementById(ime).filters.alpha && document.getElementById(ime).filters.alpha.opacity) {
				document.getElementById(ime).filters.alpha.opacity = 100;
			}
		}
		else cas_id = setTimeout('postopomaSkrivaj(\'' + ime + '\', ' + nasicenost + ', ' + interval_nasicenosti + ', ' + zacetna_nasicenost + ', ' + koncna_nasicenost + ', ' + osvezi + ')', osvezi);
	}
}

function openFitWinToImg(lok_slike)
{
	var max_sirina, max_visina;
	max_sirina = 0
	max_visina = 0
	if (self.innerHeight) {
		max_sirina = self.innerWidth;
		max_visina = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight) {
		max_sirina = document.documentElement.clientWidth;
		max_visina = document.documentElement.clientHeight;
	}
	else if (document.body) {
		max_sirina = document.body.clientWidth;
		max_visina = document.body.clientHeight;
	}
	return (window.open('fitwintoimg.asp?ls='+lok_slike+'&ms='+max_sirina+'&mv='+max_visina,'fitwintoimg','width=640,height=480,scrollbars=1,resizable=1')) ? false : true;
}