function change_state(vlera) {
	if (vlera == '')
	   {vlera = 0;}
	

	if (vlera=="1") 
			document.getElementById("cantonDescr").innerHTML = _cantons
	else	document.getElementById("cantonDescr").innerHTML = _canton_x
	document.getElementById("span_canton").innerHTML = state_canton_array[vlera];
}




function expand() {
	document.getElementById("expandImg").style.display ="none"
	document.getElementById("filterTable").style.display ="block"
}
function collapse() {
	document.getElementById("expandImg").style.display ="block"
	document.getElementById("filterTable").style.display ="none"
}
function check1() {
	
	var form = document.bookReview;
	var selection = form.selection;
	var selected = "";
	if (selection.length > 1) {
		for(var i=0; i<selection.length; i++) {
			if (selection[i].checked) {
				selected += ','+selection[i].value;
			}
		}
		selected = selected.substr(1);
	}else {
		if (form.selection.checked) 
			selected = form.selection.value;
	}
	return selected;
}