function showSub(subname){
	if(document.getElementById('newcastle_gateshead_sub')){ document.getElementById('newcastle_gateshead_sub').style.display = 'none'; }
	if(document.getElementById('kerst_sub')){ document.getElementById('kerst_sub').style.display = 'none'; }
	if(document.getElementById('engels_voetbal_sub')){ document.getElementById('engels_voetbal_sub').style.display = 'none'; }
	if(document.getElementById('nightlife_sub')){ document.getElementById('nightlife_sub').style.display = 'none'; }
	if(document.getElementById('mini_cruise_sub')){ document.getElementById('mini_cruise_sub').style.display = 'none'; }
	if(document.getElementById('webshop_sub')){ document.getElementById('webshop_sub').style.display = 'none'; }
	if(document.getElementById('win_sub')){ document.getElementById('win_sub').style.display = 'none'; }
	
	document.getElementById(subname).style.display = 'block';
}

function hideSub(subname){	
	document.getElementById(subname).style.display = 'none';
}

function showMap(map){

	document.getElementById("uitgaan_Quayside").style.display = 'none';
	document.getElementById("uitgaan_Centrum").style.display = 'none';
	document.getElementById("uitgaan_Jesmond").style.display = 'none';
	document.getElementById("uitgaan_Gateshead").style.display = 'none';
	
	document.getElementById("uitgaan_" + map).style.display = 'block';
} 


function showInfo(infoletter, totaalinfo, stadsdeel){

	var letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	
	for (var x = 0; x <= totaalinfo; x++) { 	
		var x2 = x+1;
		var letter_sel = letters.substring(x,x2);
   		document.getElementById("info_" + stadsdeel + "_" + letter_sel).style.display = 'none';   		
   	}	
	
	document.getElementById("info_" + stadsdeel + "_" + infoletter).style.display = 'block';
}


function showReisschema(infoletter, totaalinfo){
	
	for (var x = 0; x <= totaalinfo; x++) {   		
   		document.getElementById("info_" + x).style.display = 'none';
   		document.getElementById("pijl_blokje_" + x).className = 'pijl_blokje_passief';
   	}	
	
	document.getElementById("info_" + infoletter).style.display = 'block';
	document.getElementById("pijl_blokje_" + infoletter).className = 'pijl_blokje_actief';
}

function searchFocus()
{
	if(document.getElementById('textfield_input').value == 'zoeken')
	{
		document.getElementById('textfield_input').value = '';
	}	
}

function searchBlur()
{
	if(document.getElementById('textfield_input').value == '')
	{		
		document.getElementById('textfield_input').value = 'zoeken';
	}	
}

function sumbitPopular(search)
{
		document.getElementById('popular_search').value = search;
		document.popular_search_form.submit();		
}

function underlinePopular(search)
{
		document.getElementById(search).style.textDecoration = 'underline';	
}

function nolinePopular(search)
{
		document.getElementById(search).style.textDecoration = 'none';	
}

function showImages(infoletter, totaalinfo){	
	for (var x = 0; x < totaalinfo; x++) { 
   		document.getElementById("mask" + x).style.display = 'none';   		
   	}	
	
	document.getElementById(infoletter).style.display = 'block';
}