//navigation nach links aufklappen
function setLastNavItemOffset() {
	liItems = document.getElementById('nav').getElementsByTagName('LI');
	for (var i=0; i<liItems.length; i++) {
		if (liItems[i].className.indexOf('lastMainNavItem') != -1 && liItems[i].getElementsByTagName('UL')[0]) {
			repositioner = liItems[i].offsetWidth - liItems[i].getElementsByTagName('UL')[0].getElementsByTagName('LI')[0].offsetWidth;
			liItems[i].getElementsByTagName('UL')[0].style.marginLeft = repositioner + "px";
		}
	}
}

// zum verschlüssel der maiadressen
function email(name, domain, tld)
{
	var mail = name + "@" + domain + tld;
	var link = "Mail: <a href='mailto:" + name + "@" + domain + tld + "'>" + mail + "<" + "/a>";
	document.write(link);
}

function sendmail(name){
	var name = name;
	var domain1 = "bmf";
	var domain2 = ".gv.at";
	document.write('<a href=\"mailto:' + name + '@' + domain1 + domain2 + '\">');
	document.write(name + '@' + domain1 + domain2 + '<' + '/a>');
}


sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	//alert(sfEls.length);
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			// delay(50);
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			// delay(100);
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

// verzögerung des nächsten befehls
function delay(millis) {
	var date = new Date();
	var curDate = null;

	do { curDate = new Date(); }
		while(curDate-date < millis);
}

function SetFocusFromKeyNavigation(focusTarget) {
	focusTarget = focusTarget.substring(focusTarget.indexOf('#')+1);
	var scrollHeight = getTopOffset(document.getElementById(focusTarget));
	window.scrollBy(0,scrollHeight);
	document.getElementById(focusTarget).focus();
	document.jumpLinkReturnValue = false;
}

function SetFocusToKeyNavigation() {
	// focus auf tastennavigation
	document.getElementById('sprunglink').focus();
}

function setToolbox() {
	var scrollOffset = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop );
	var toolboxColumnOffset = getTopOffset(document.getElementById('toolBoxColumn'));

	if ( scrollOffset >= (toolboxColumnOffset - 30)) {
		document.getElementById('toolBox').style.marginTop = scrollOffset - toolboxColumnOffset + 30 + 'px';
	} else {
		document.getElementById('toolBox').style.marginTop = 0 + 'px';
	}
}

window.onresize = setToolbox;
window.onscroll = setToolbox;

function getTopOffset(obj) {
	var curtop = 0;
	if (obj.offsetParent) {
		do {
			curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	}
	return [curtop];
}

function clearSearchField(textField) {
	if (textField.value == 'search ...') {
		textField.value = '';
	}
}

function setSearchField(textField) {
	if (textField.value == '') {
		textField.value = 'search ...';
	}
}

function switchSize(size) {
	var expdate = new Date(3000,0,1,0,0,0);
	FixCookieDate (expdate);
	SetCookie ("FontSize", size, expdate, "/", ".bmf.gv.at", false);
	if (size=='n') {
		document.getElementsByTagName('body')[0].style.fontSize = '1.045em';
		SetCookie ("FontSize", '1.045em', expdate, "/", ".bmf.gv.at", false);
		SetCookie ("Logo", 'logo_n.gif', expdate, "/", ".bmf.gv.at", false);
		SetCookie ("NavigationSize", '_n', expdate, "/", ".bmf.gv.at", false);
	}
	if (size=='g') {
		document.getElementsByTagName('body')[0].style.fontSize = '1.25em';
		SetCookie ("FontSize", '1.25em', expdate, "/", ".bmf.gv.at", false);
		SetCookie ("Logo", 'logo_g.gif', expdate, "/", ".bmf.gv.at", false);
		SetCookie ("NavigationSize", '_g', expdate, "/", ".bmf.gv.at", false);
	}
	if (size=='x') {
		document.getElementsByTagName('body')[0].style.fontSize = '1.50em';
		SetCookie ("FontSize", '1.50em', expdate, "/", ".bmf.gv.at", false);
		SetCookie ("Logo", 'logo_x.gif', expdate, "/", ".bmf.gv.at", false);
		SetCookie ("NavigationSize", '_x', expdate, "/", ".bmf.gv.at", false);
	}

	// seite mit den neuen Werten neu laden...
	self.location.reload();
}

function scrollToTop() {
	if (document.documentElement.scrollTop) {
		document.documentElement.scrollTop = 0;
	} else {
		document.body.scrollTop = 0;
	}
}

function scrollDown() {
	var horizontalScroll =  (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft );
	var verticalWindowSize = (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight );
	window.scrollBy(horizontalScroll,verticalWindowSize - 5);
}