var selected_review_rating = -1;
var highlight_infoframe = false;

function select_rating(id, action) {
	
	// no actions for disabled fields
	if(document.getElementById('rating_'+id).disabled == true) {
	   return false;
	}
	
	
	// on
	if(action == 'on') {
	   
		document.getElementById('r_'+id).className = 'on';
		
		if(highlight_infoframe == true && id == 0) {
		   document.getElementById('mv_infoframe').className = 'on';
		}
	}
	
	// out
	else if(action == 'off' && id != selected_review_rating) {
		
		document.getElementById('r_'+id).className = 'off';
		
		if(highlight_infoframe == true && id == 0) {
		   document.getElementById('mv_infoframe').className = '';
		}
	}
	
	// click
	else if (action == 'select') {
		
		for(i = 0; i < 6; i++) {
			
			if(i == id) {
				document.getElementById('r_'+id).className = 'on';
				document.getElementById('rating_'+id).checked = true;
				selected_review_rating = id;
			}
			else {
				document.getElementById('r_'+i).className = 'off';
			}
		}
	}
}