function show(elemID)
{
	var elem=document.getElementById(elemID);
	elem.style.position='relative';
	elem.style.visibility='visible';
}
function hide(elemID)
{
	var elem=document.getElementById(elemID);
	elem.style.position='absolute'
	elem.style.visibility='hidden';
}
function hide_show(elemID)
{
	var elem=document.getElementById(elemID);
	if(elem.style.visibility=='hidden')
	{
		show(elemID);
	}
	else
	{
		hide(elemID);
	}
}

function prepareInputsForHints() {
	var inputs = document.getElementsByTagName("input");
	inputs[0]
	for (var i=0; i<inputs.length; i++){
		if (inputs[i].parentNode.getElementsByTagName("span")[0]) {
			inputs[i].onfocus = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
			}
			inputs[i].onblur = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "none";
			}
		}
	}
}

function mousePos(e)
{
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	if (e.pageX || e.pageY)
	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY)
	{
		posx = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
	}
	// posx and posy contain the mouse position relative to the document
	// Do something with this information
}

function popup(message)
{
	document.getElementById("popup").style.display = 'block';
	document.getElementById("popup").style.position = 'absolute';
	document.getElementById("popup").style.top = '150px';
	document.getElementById("popup").style.left = '300px';
	document.getElementById("popup-text").innerHTML = message;
}