function objGet(x) {
	if (typeof x != 'string') return x;
	else if (Boolean(document.getElementById)) return document.getElementById(x);
	else if (Boolean(document.all)) return eval('document.all.'+x);  // pro MSIE 4
	else return null;
}

function objSetStyle (obj,prop,val) {
	var o = objGet(obj);
	if (o && o.style) {
		eval ('o.style.'+prop+'="'+val+'"');
		return true;
		}
	else return false;
	}

function objShow (obj,on) {
	return objSetStyle(obj,'visibility',(on) ? 'visible':'hidden');
	}

function objDisplay (obj,on,type) {
	if (on && !type) type = 'block';
	return objSetStyle(obj,'display',(on) ? type:'none');
	}

function zobraz(pic,txt,sirka,vyska,por) {

	objShow('zvacs',false);
	objShow('nahr',true);
	objSetStyle ('okno','left',-1000);
	objSetStyle ('okno','top',-1000);
	
	zamen('..images/spacer.gif');
		nahl_pos1 = MeMSOObjectGetPosition('okno1');
		nahl_pos_x1=nahl_pos1.x;
		nahl_pos_y1=nahl_pos1.y;
		nahl_pos = MeMSOObjectGetPosition('obr'+por);
		nahl_pos_x=nahl_pos.x-nahl_pos_x1-1;
		nahl_pos_y=nahl_pos.y;

window.status=nahl_pos_y;
	
	objSetStyle ('okno','left',nahl_pos_x);
	objSetStyle ('okno','top',nahl_pos_y-nahl_pos_y1-vyska-80);
	objSetStyle ('kris','left',sirka-5);
	objSetStyle ('okno','width',sirka+17);
	objSetStyle ('okno','height',vyska+77);
	objSetStyle ('zvacs','width',sirka);
	objSetStyle ('zvacs','height',vyska);
	zamen(pic);
	var o = objGet('zvacspopis');
 
	o.innerHTML=txt;


}

function dotahane() {
	objShow('nahr',false);
	objShow('zvacs',true);
	
}

function zamen(naco)
{
//window.status=naco;
	    var xxx=objGet('zvacs');
	    xxx.src=naco; 
	objShow('okno',true);
}

function cclose() {
	objShow('okno',false);
	objShow('zvacs',false);
	objShow('nahr',false);
	
}	

function cclose2() {
	objShow('pop_main',false);
	
}

function cclose3() {
	objShow('pop_main2',false);
	
}

function pop_main() {
	objShow('pop_main',true);
	
}

function pop_main2() {
	objShow('pop_main2',true);
	
}