// hideMenus //
function hideMenus() {
	document.getElementById('smBegynder').style.visibility = "hidden";
	document.getElementById('smRegler').style.visibility = "hidden";
	document.getElementById('smAndre').style.visibility = "hidden";
	document.getElementById('smForum').style.visibility = "hidden";
	document.getElementById('smOm').style.visibility = "hidden";
}

// showMenu //
function showMenu( name ) {
	hideMenus();
	document.getElementById(name).style.visibility = "visible";
}

// positionMenu //
function positionMenu() {
	// Position top.
	document.getElementById('smBegynder').style.pixelTop = getTop('menuTop')-2;
	document.getElementById('smAndre').style.pixelTop = getTop('menuTop')-2;
	document.getElementById('smForum').style.pixelTop = getTop('menuTop')-2;
	document.getElementById('smOm').style.pixelTop = getTop('menuTop')-2;

	// Position left.
	document.getElementById('smBegynder').style.pixelLeft = getLeft('menuNy')-2;
	document.getElementById('smAndre').style.pixelLeft = getLeft('menuAndre')-2;
	document.getElementById('smForum').style.pixelLeft = getLeft('menuForum')-2;
	document.getElementById('smOm').style.pixelLeft = getLeft('menuOm')-2;
}

// showSubMenu //
function showSubMenu( parent, name) {
	document.getElementById(name).style.pixelTop = getTop( parent );
	document.getElementById(name).style.pixelLeft = getLeft( parent ) + document.getElementById(parent).clientWidth+4;
	document.getElementById(name).style.visibility = "visible";
}

// getLeft //
function getLeft( objName ) {
	var left = 0;
	obj = document.getElementById( objName );
	while( obj != null )
	{
		left += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	
	return left;
}

// getObjTop //
function getObjTop( obj ) {
	var top = 0;
	while( obj != null )
	{
		top += obj.offsetTop;
		obj = obj.offsetParent;
	}
	
	return top;
}

// getTop //
function getTop( objName ) {
	var top = 0;
	obj = document.getElementById( objName );
	while( obj != null )
	{
		top += obj.offsetTop;
		obj = obj.offsetParent;
	}
	
	return top;
}

// moveContent //
function moveContent() {
    
    var originElm = document.getElementById('origin');
    var destinElm = document.getElementById('destination');

    destinElm.innerHTML = originElm.innerHTML;
    originElm.innerHTML = '';
}