/*
 * Tooltip Mitarbeiter
 */
function showTooltip(id) 
{
	tooltip = document.getElementById(id);
	tooltip.style.visibility = 'visible';
}

function hideTooltip() 
{
	tooltip.style.visibility = 'hidden';
}

/*
 * Öffnet ein Fenster zentriert auf dem Bildschirm
 */
function OpenWindow(theURL, winName, myWidth, myHeight, scrollbars, resizeable) 
{
	if (!myWidth) 
	{
			myWidth = 312;
	}
	if (!myHeight) 
	{
			myHeight= 280;
	}
	if (winName == '') 
	{
			winName = 'standardWindow';
	}

	if(window.screen) {
			var myLeft = (screen.width -myWidth) /2;
			var myTop  = (screen.height-myHeight)/2;
	}

	if (scrollbars == '' || scrollbars == 'no') 
	{
			scrollbars = 'no';
	} 
	else 
	{
			scrollbars = 'yes';
	}

	if (resizeable == '' || resizeable == 'no') 
	{
			resizeable = 'no';
	} else {
			resizeable = 'yes';
	}

	windowHandle = window.open(theURL, winName, 'scrollbars='+scrollbars+', resizable='+resizeable+', dependent=yes, left='+myLeft+',top='+myTop+',width='+myWidth+',height='+myHeight);
	windowHandle.focus();
}