function setLang(idx)		// Aufruf aus "lang.cnt"
{
	switch(idx)
	{
		case 1:		// deutsch wurde gewählt
			document.forms.lang_cnt.elements[0].value = "de";
			break;
			
		default:
			document.forms.lang_cnt.elements[0].value = "en";
	}
	
	document.forms[0].submit();
}

function auto_locate(filename, seconds)
{
	seconds = 1000 * seconds;
	
	window.setTimeout("location.href = '" + filename + "';", seconds);
}

function die(lang)				// Aufruf aus "index.php"
{
	var text = "";
	
	if(confirm(text))
	{
		document.forms.index_php.elements[0].value = "0";
		document.forms.index_php.submit();
	}
}

function openrequest()
{
	window.open('request/request.php', 'request', 'width=1000, height=650');
}

function openglossar(lang, anchor)
{
	window.open('glossar/glossar_' + lang + '.php#' + anchor, 'glossar', 'width=480, height=620, scrollbars=yes');
}

function openRanges()
{
	window.open('cnt/ranges.php', 'ranges', 'width=1000,height=650,scrollbars=yes');
}

var tooltip = null;

function updateTooltip(e)
{
	if(e)
	{
		var x_coord = e.pageX;
		var y_coord = e.pageY;
	}
	else
	{
		var x_coord = window.event.x;
		var y_coord = window.event.y;
	}
	
	if(tooltip != null)
	{
		if(navigator.appName == "Microsoft Internet Explorer")
		{
			var h = document.body.clientHeight;
		}
		else
		{
			var h = window.innerHeight;
		}
		
		if(h > 690)
		{
			document.getElementById("tooltip").style.left = (x_coord - 100) + "px";
			document.getElementById("tooltip").style.top = (y_coord + 38) + "px";
		}
		else
		{
			var w = document.getElementById("tooltip").offsetWidth + 32;
			
			document.getElementById("tooltip").style.left = (x_coord - w) + "px";
			document.getElementById("tooltip").style.top = (y_coord - 28) + "px";
		}
	}
}

function showTooltip(text)
{
	var tip = "";
			
	switch(text)
	{
		case 1:		// Anfrage
			tip = "<b><u></u></b><br>";
			break;
			
		case 2:		// Daten speichern und Zwischenergebnis aktualisieren
			tip = "<b><u></u></b><br>";
			break;
			
		case 3:		// Schritt löschen
			tip = "<b><u></u></b><br>";
			break;
			
		case 4:		// Alle Daten löschen
			tip = "<b><u></u></b><br>";
			break;
			
		case 5:		// Impressum
			tip = "<b><u></u></b><br>";
			break;
			
		case 6:		// Glossar
			tip = "<b><u></u></b><br>";
			break;
			
		case 7:		// Hinweis: Betriebstemperatur als Berechnungsgrundlage für Messbereich
			tip = "<b><u></u></b><br>";
			break;
			
		default:
			tip = text;
	}
	
	tooltip = 1;
	document.getElementById("tooltip").innerHTML = tip;
	document.getElementById("tooltip").style.display = "block";
}

function hideTooltip()
{
	tooltip = null;
	document.getElementById("tooltip").style.display = "none";
}