function openCentered(url,w,h,name,par)
{
	newwindow = window.open(url,name?name:"",'toolbar=0,menubar=0,location=0,directories=0,status=0,resizable=1,scrollbars=1,margin=0;top=0,left=0,width='+ w +',height=' + h );
	newwindow.window.focus();
	return;
}

function iDisplay(elementID)
{
var id;
	id = "pozadavky" + elementID;
	hhh = document.getElementById(id);
	if (hhh.style.display == "none")
	{
		hhh.style.display = "block";
	}
	else
	{
		hhh.style.display = "none";
	}
}