function callBlock(event, str)
{
	var popUp = document.getElementById("popUp");
	popUp.innerHTML = "<table width=\"100%\"><tr><td>"  +str + "</td></tr><tr><td align=\"right\"><a class=\"pa\" onclick=\"hidePopUpBlock(popUp)\">Schlie&szlig;en</a></td></td></table>";

	var viewH;
	var viewW;
	var offset;

	if (navigator.appName == "Microsoft Internet Explorer") {
		viewW = document.body.clientWidth;
		viewH = document.body.clientHeight;
		offset = document.body.scrollTop;
	}
	else {
		viewW = document.documentElement.clientWidth;
		viewH = document.documentElement.clientHeight;
		offset  = self.pageYOffset;
	}

	var x = event.clientX;
	var y = event.clientY;

	if(x+500>viewW) x = viewW - 520;
	if(offset) y = y + offset;

	popUp.style.top = y + "px";
	popUp.style.left = x + "px";
}

function hidePopUpBlock(popUp)
{
	popUp.style.top = "-500px";
	popUp.style.left = "-500px";
}