// FCE VRACI OBJEKT PODLE ZADANEHO ID
var getElementWithId;
if(document.getElementById){
	getElementWithId = function(id){
		return document.getElementById(id);
	}
}else if(document.all){
	getElementWithId = function(id){
		return document.all[id];
	}
}else{
	getElementWithId = function(id){
		return false;
	}
}

function swapImg(imgid,path) {
	var image = getElementWithId(imgid);
	image.src = path;
}

function zmenitText(co,cim) {
	var objekt = getElementWithId(co);
	objekt.innerHTML = cim;
}