img1 = new Image();
img2 = new Image();
img3 = new Image();
img4 = new Image();
img5 = new Image();
img6 = new Image();
img7 = new Image();
img8 = new Image();

img1.src = "/images/banners_home/ban_natural_way_hover.jpg";
img2.src = "/images/banners_home/ban_trendy_look_hover.jpg";
img3.src = "/images/banners_home/ban_free_style_hover.jpg";
img4.src = "/images/banners_home/ban_easy_chiq_hover.jpg";
img5.src = "/images/banners_voorproefje/ban_hapjes_hover.jpg";
img6.src = "/images/banners_voorproefje/ban_drankjes_hover.jpg";
img7.src = "/images/banners_voorproefje/ban_diner_hover.jpg";
img8.src = "/images/banners_voorproefje/ban_dessert_hover.jpg";

function swapSubPage(id) {
	for (i=1;i<=4;i++) {
		if (i==id) {
			document.getElementById('txt_'+i).style.display = 'block';
			document.getElementById('btn_'+i).className = 'active';
		} else {
			document.getElementById('txt_'+i).style.display = 'none';
			document.getElementById('btn_'+i).className = '';
		}
	}	
	if (id==1) {
		document.getElementById('back_left').style.background = "URL(/images/page_backgr/zakelijk_1.jpg)";
		document.getElementById('back_right').style.background = "URL(/images/page_backgr/zakelijk_2.jpg)";
	} else if (id==2) {
		document.getElementById('back_left').style.background = "URL(/images/page_backgr/cat_feest_1.jpg)";
		document.getElementById('back_right').style.background = "URL(/images/page_backgr/cat_feest_2.jpg)";
	} else if (id==3) {
		document.getElementById('back_left').style.background = "URL(/images/page_backgr/huwelijk_1.jpg)";
		document.getElementById('back_right').style.background = "URL(/images/page_backgr/huwelijk_2.jpg)";
	} else if (id==4) {
		document.getElementById('back_left').style.background = "URL(/images/page_backgr/cat_prive_1.jpg)";
		document.getElementById('back_right').style.background = "URL(/images/page_backgr/cat_prive_2.jpg)";
	}
}