/*  Preload onmouseover images */
function preload_image(_image) {
	var image = new Image;
	image.src = _image;
}

/* Change area image onmouseover on index page */
function change_info (region) {

	for (i=1;i<22;i++) {
		hide_info(i);
	}

	var ShowItem = document.getElementById("area_image");
	var LinkItem = document.getElementById("area_" + region);
	var InfoItem = document.getElementById("info_area_" + region);
	ShowItem.style.backgroundImage = 'url(/vinnova_templates/images/map/area_' + region + '.gif)';
	LinkItem.style.textDecoration = 'underline';
	InfoItem.style.visibility ='visible';
	return true;
}

/* Change back area image onmouseout on index page */ 
function hide_info (region) {
	var ShowItem = document.getElementById("area_image");
	var LinkItem = document.getElementById("area_" + region);
	var InfoItem = document.getElementById("info_area_" + region);
	ShowItem.style.backgroundImage = 'url(/vinnova_templates/images/map/none.gif)';
	LinkItem.style.textDecoration = 'none';
	InfoItem.style.visibility ='hidden';
	return true;
}