function show(id)
{
		element = document.getElementById(id);
		element.style.display = 'block';
}
function hide(id)
{
		element = document.getElementById(id);
		element.style.display = 'none';
}
function winW() {
	if (window.innerWidth)
			return window.innerWidth;
	else if (document.documentElement && document.documentElement.clientWidth)
			return document.documentElement.clientWidth;
	else if (document.body && document.body.clientWidth)
			return document.body.clientWidth;
	else
			return null;
}
function winH() {
	if (window.innerHeight)
			return window.innerHeight;
	else if (document.documentElement && document.documentElement.clientHeight)
			return document.documentElement.clientHeight;
	else if (document.body && document.body.clientHeight)
			return document.body.clientHeight;
	else
			return null;
}
function setIframeHeight(height)
{
//		el = document.getElementById('nabidka-iframe');
//		alert(el.style.padding);
}