function hilite(articles,what,popis){
	var article= articles.split(",");
	var place = Ext.get('placeholder');
	if(!place){
		Ext.DomHelper.append(Ext.getBody(), {tag: 'div', id: 'placeholder'});
		place = Ext.get('placeholder');
	}
	
	place.update(popis);
	place.show();
	place.alignTo(what);
	
	for(i=0;i<article.length;i++){
		if(Ext.fly('akce'+article[i])) {
			Ext.fly('akce'+article[i]).frame("#969696");
		}
 	}
}

function hide_hilite(){
	Ext.fly('placeholder').hide();
}