var sucheWas, ichsuche, groups, addFields, pFields;

function hideAllGroups()
	{
	groups.each(function(element)
		{
		element.set('styles',{'display':'none'});
		});
	}

function show(what)
	{
	$(what).set('styles',{'display':'block'});
	}

function hideShowBottom(doWhat)
	{
	if(doWhat=="show")
		{
		addFields.set('styles',{'display':'block'}); 
		pFields.set('styles',{'display':'block'}); 
		}
	else if(doWhat=="hide")
		{
		addFields.set('styles',{'display':'none'}); 
		pFields.set('styles',{'display':'none'}); 
		}
	}

function showHandler()
	{
	hideAllGroups();
	if(sucheWas==0)
		hideShowBottom('hide');
	else
		hideShowBottom('show');
	if(sucheWas=="Bauland")
		show('bau');
	if(sucheWas=="Einfamilienhaus")
		show('efh');
	if(sucheWas=="Eigentumswohnung")
		show('ewhg');
	if(sucheWas=="Anderes Objekt")
		show('other');
	}

function suchAuftrag()
	{
	if($chk($('suchauftrag')))
		{
		ichsuche = $('ichsuche');
		groups = $$('.group');
		addFields = $('add');
		pFields = $('personal');

		hideAllGroups();

		sucheWas = ichsuche.get('value');
		showHandler();
							
		ichsuche.addEvent('change',function()
			{ 
			sucheWas = this.get('value');
			showHandler();
			});
		
		}
	}


function externalLinks() 
	{	
	if (!document.getElementsByTagName) return; 
 	var anchors = document.getElementsByTagName("a"); 
 	for (var i=0; i<anchors.length; i++)
		{ 
   		var anchor = anchors[i]; 
   		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "blank")anchor.target = "_blank"; 
		} 
	} 

window.addEvent('domready', function(){
	externalLinks();
	suchAuftrag();
});