// JavaScript Document
function show(id)
{
	document.getElementById(id).style.display = "";
}
function hide(id)
{
	document.getElementById(id).style.display = "none";
}
function showHide(id)
{
	if(document.getElementById(id).style.display == "none")
	{
		document.getElementById(id).style.display = "";
	}
	else
	{
		document.getElementById(id).style.display = "none";
	}
}
function question(text)
{
	return confirm("Вы уверены, что хотите "+text);
}

function getClientWidth()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
}
function getClientHeight()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
}

// JavaScript Document
function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}