var slozka;
var div;
function nabidka(idex, co, text){
	var xxx = document.documentElement.scrollTop;
	var xx = document.body.scrollTop;
	var x = document.body.scrollTop + document.documentElement.scrollTop + 'px';
	slozka = co;
	div = document.getElementById(idex).style;
	div.position = 'absolute';
	div.zIndex = '20';
	div.width = '100%';
	div.height = '100%';
	div.top = x; //+'px';
	div.left  ='0';
	if (div.display == 'block')
		div.display = 'none';
	else
		div.display = 'block';
		document.f.src=slozka;
		document.getElementById("bun").innerHTML=text;
}