function onDocumentLoad ()
{
	replaceHeading("em");
	replaceHeading("h2");
	replaceHeading("h1");
	
	//Initialisierung fuer Tooltip
	var appartments = document.getElementsByClassName('appartment_entry');
	if(appartments.length > 0)
	{
		for( k=0; k<appartments.length; k++ )
		{
			//Einträge Initialisieren
			new toolTip(appartments[k]);
		}
	}
	
}


window.onload = onDocumentLoad;

//dropup menu
function setOpacity(element,value) {
	element.style.opacity = value/100;
	element.style.filter = 'alpha(opacity=' + value + ')';
}

var intervalId = null;

function showMenu (id)
{
	hideAllMenus();
	obj = $(id);
	
	var posElement = obj.positionedOffset();
	var xpos = posElement[0]-24; 

	if( parseInt(xpos) > 790 )
	{s
		xpos = 790;
	}
	
	if($('dropup_' + id).getElementsByTagName("a").length > 1)
	{
		$('dropupBackground').style.display = 'block';
		$('dropupBackground').style.left = parseInt(xpos) + "px";
		$('dropup_' + id).style.left = parseInt(xpos) + "px";
		$('dropup_' + id).style.display = "block";
		$('portal_tour').style.zindex = 500;
		
		intervalId = setInterval("hideAllMenus()",5000);
		
		$('dropup_' + id).onmouseout = function ()
		{
			intervalId = setInterval("hideAllMenus()",2000);
		}
		
		$('dropup_' + id).onmouseover = function ()
		{
			clearInterval(intervalId);
		}
	}
}

function hideAllMenus ()
{
	clearInterval(intervalId);
	$('dropupBackground').style.display = 'none';
	$('portal_tour').style.zindex = 1000;
	divs = $('dropup').getElementsByTagName("div");
	for (i=0;i<divs.length;i++)
	{
		/*setOpacity(divs[i],0);*/
		divs[i].style.display = 'none';
	}
}


function showMap ()
{
	$('map_container').style.visibility = 'visible';
	$('toRight').style.visibility = 'hidden';
	
	$('map_container').onclick = function ()
	{
		$('map_container').style.visibility = 'hidden';
		$('toRight').style.visibility = 'visible';
	}
}