function searchtab1(){
	document.getElementById('showtab1').style.display = 'block';
	document.getElementById('showtab2').style.display = 'none';
	document.getElementById('showtab3').style.display = 'none';
	
	document.getElementById('ss01').style.display = 'block';
	document.getElementById('ss02').style.display = 'none';
	document.getElementById('ss03').style.display = 'none';
	
	document.getElementById('searchprovince').style.display = 'block';
	document.getElementById('searchproduct').style.display = 'none';
	document.getElementById('searchwinkel').style.display = 'none';
}

function searchtab2(){
	document.getElementById('showtab1').style.display = 'none';
	document.getElementById('showtab2').style.display = 'block';
	document.getElementById('showtab3').style.display = 'none';
	
	document.getElementById('ss01').style.display = 'none';
	document.getElementById('ss02').style.display = 'block';
	document.getElementById('ss03').style.display = 'none';	
	
	document.getElementById('searchprovince').style.display = 'none';
	document.getElementById('searchproduct').style.display = 'block';
	document.getElementById('searchwinkel').style.display = 'none';
}

function searchtab3(){
	document.getElementById('showtab1').style.display = 'none';
	document.getElementById('showtab2').style.display = 'none';
	document.getElementById('showtab3').style.display = 'block';
	
	document.getElementById('ss01').style.display = 'none';
	document.getElementById('ss02').style.display = 'none';
	document.getElementById('ss03').style.display = 'block';
		
	document.getElementById('searchprovince').style.display = 'none';
	document.getElementById('searchproduct').style.display = 'none';
	document.getElementById('searchwinkel').style.display = 'block';
}