var visible=null;
function ShowProducers(where) {
	if(visible!=null) {
		object=document.getElementById(visible).style;
		object.display='none';
		object=document.getElementById(where).style;
		object.display='block';
		visible=where;
	}
		object=document.getElementById(where).style;
		object.display='block';
		visible=where;
}

var okno, x, y, sbar, resize, tbar, mbar, statbar, locbar;

function enlarge(objpath,x,y,sbar,resize,tbar,mbar,statbar,locbar) //otevre okno s rozmery, s/bez toolbaru, menubaru, s/bez posuvniku, ne/zvetsovatelne, se statuslinkou a lokaci
{
	if(sbar=='1') {	sbar='scrollbars=yes'; 	}
	else { sbar='scrollbars=no'; }
	if(resize=='1') { resize='resizable=yes'; }
	else { resize='resizable=no'; }
	if(tbar=='1') {	tbar='toolbar=yes'; }
	else { tbar='toolbar=no'; }
	if(mbar=='1') {	mbar='menubar=yes'; }
	else { mbar='menubar=no'; }
	if(statbar=='1') { statbar='status=yes'; }
	else { statbar='status=no'; }
	if(locbar=='1') { locbar='location=yes'; }
	else { locbar='location=no'; }
	if(okno) { okno.close(); }
	okno=window.open(objpath,'window','' + sbar + ',' + resize + ',' + tbar +',' + mbar +',' + statbar + ',' + locbar + ',width=' + x + ',height=' + y + '');
	okno.focus();
}

function winclose()  //zavre okno
{
	if(okno) { okno.close(); }
}