var fpImgs = new Array();

function hover_menuc(){
	var el;
	if(el = document.getElementById('house_bg4'))
		el.style.display = 'block';
	if(el = document.getElementById('house_bg2'))
		el.className = 'house_bg2_a';
}
function unhover_menuc(){
	var el;
	if(el = document.getElementById('house_bg4'))
		el.style.display = 'none';
	if(el = document.getElementById('house_bg2'))
		el.className = '';
}

function preload_img(id,src_a){
	var el = document.getElementById(id);
	if(!el || el.tagName!='IMG')
		return;
	fpImgs[id] = new Array(new Image(),new Image());
	fpImgs[id][0].src = src_a;
    fpImgs[id][1].src = el.src;
}
function i_flipin(obj){
	var id = obj.id;
	if(!fpImgs[id])
		return;
	obj.src = fpImgs[id][0].src;
}
function i_flipout(obj){
	var id = obj.id;
	if(!fpImgs[id])
		return;
	obj.src = fpImgs[id][1].src;
}
function popupi_img(img_url, width, height, lang){
	var pos_x = (screen.width - width) / 2;
	var pos_y = (screen.height - height) / 2;
	window.open('/view.php?f=' + img_url + (lang ? '&lang=' + lang : ''), '', 'width=' + width + ', height=' + height + ', scrollbars=0, menubar=0, status=1, toolbar=0, left=' + pos_x + ', screenX=' + pos_x + ', top=' + pos_y + ', screenY=' + pos_y);
	return false;
}