var poll_startvalue=5;


function poll_pollstars(id) {
	for(var i=1; i<=5; i++) {
		document.getElementById('pollstars'+i).src="images/star_inaktive.gif";
	}
	for(var i=1; i<=id; i++) {
		document.getElementById('pollstars'+i).src="images/star.gif";
	}
	poll_starsdesc(id);
}

function poll_init() {
	if(!poll_startvalue) poll_startvalue = 5;
	for(var i=1; i<=5; i++) {
		document.getElementById('pollstars'+i).src="images/star_inaktive.gif";
	}
	for(var i=1; i<=poll_startvalue; i++) {
		document.getElementById('pollstars'+i).src="images/star_grey.gif";
		
	}
	poll_starsdesc(poll_startvalue);
}

function poll_sendpoll(id) {
	poll_startvalue = id;
	document.getElementById('rating').value=id;
	poll_starsdesc(id);
	document.pollform.submit();
}

function poll_starsdesc(id) {
	var desc = document.getElementById('pollstars_desc');
	if(id==5) {
		desc.innerHTML="Sehr informativ";
	} else if(id==4) {
		desc.innerHTML="Informativ";
	} else if(id==3) {
		desc.innerHTML="Geht so";
	} else if(id==2) {
		desc.innerHTML="Weniger informativ";
	} else if(id==1) {
		desc.innerHTML="Uninteressant";
	} else {
		desc.innerHTML="";
	}
}