function kavb_init() {
	fixa_blankett();
	fixa_thumb(300);
}

function fixa_thumb(max_size) {
	thumb = document.getElementById('img_thumb');
	if(thumb) {
		if(thumb.height >= max_size || thumb.width >= max_size) {
			if(thumb.height > thumb.width) {
				height = max_size;
				width = Math.round(thumb.width/thumb.height*max_size);
			} else {
				width = max_size;
				height = Math.round(thumb.height/thumb.width*max_size);
			}
			thumb.width = width;
			thumb.height = height;
		}
	}
}

function is_empty(element_obj) {
	if(element_obj.innerHTML.match(/^( |[\s\u00A0\u2028\u2029])*$/)) {
		result = true;
	} else {
		result = false;
	}
	return result;
}


function fixa_blankett() {

	/* Lista (typ ämnesord). Ta bort tomma */
	lista = getElementsByClassName('lista');
	for(i=0; lista[i]; i++) {
		lista[i].innerHTML = lista[i].innerHTML.replace(/<br>&nbsp;|<br>[\s\u00A0\u2028\u2029]|&nbsp;<br>|[\s\u00A0\u2028\u2029]<br>/gi, '');
	}

	/* Dölj tomma fält */
	lista = getElementsByClassName('blankett_sektion');
	for(i=0; lista[i]; i++) {
		trlista = '';
		trlista = lista[i].getElementsByTagName('tr');
		is_keeper = 0;
		for(j=0; trlista[j]; j++) {
			tdlista = '';
			tdlista = trlista[j].getElementsByTagName('td');
			if(is_empty(tdlista[0])) {
				trlista[j].style.display = 'none';
			} else {
				is_keeper = 1;
			}
		}
		if(!is_keeper) {
			lista[i].parentNode.removeChild(lista[i]);
		}
	}
	
}