var UT_RATING_IMG='icn_star_full_19x20png';
var UT_RATING_IMG_HALF='icn_star_half_19x20png';
var UT_RATING_IMG_BG='icn_star_empty_19x20png';
var nr1 = 0;
var hasVoted = 0;
var rating_value = 0;
function setStars(vid,nr)
{
	
	var req = new XMLHttpRequest();
    req.onreadystatechange = function()
    {
        if (req.readyState == 4 && (req.status == 200 || req.status == 304))
        {
            if(req.responseText > 0)
            {
                hasVoted = 1;
                rating_value = req.responseText;
                document.getElementById('hoverMessage').style.visibility = 'visible';
            }
        }

    }
	//alert("http://localhost/HIPG/httpdocs/ajax/rating.php?video="+vid+"&rating="+nr);return false;
    req.open('GET', "http://www.howiplaygolf.com/ajax/rating.php?video="+vid+"&rating="+nr); req.send(null);
}

function showStars(nr)
{
	
	//alert(nr);
	if(hasVoted)
		
        document.getElementById('hoverMessage').style.visibility = 'visible';
    else 
       // alert('Inside show stars above colorStars');
		colorStars(nr);
}
function clearStars()
{
    colorStars(rating_value);
}

function colorStars(starNum)
{
	//alert(UT_RATING_IMG);
	//alert(UT_RATING_IMG_HALF);
	//alert(UT_RATING_IMG_BG);
	//alert('1');
    for(var i=0;i<5;i++)
    {
       
	   removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG);
        removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_HALF);
        addClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_BG);
    }
    for(var i=0;i<starNum;i++)
    {
        if((i+0.75)<starNum)
        {
            removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_HALF);
            removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_BG);
            addClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG);
        }
        else if((i+0.25)<starNum)
        {
            removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG);
            removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_BG);
            addClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_HALF);
        }
        else
        {
            removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_HALF);
            removeClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG);
            addClass(document.getElementById('star__'+(i+1)),UT_RATING_IMG_BG);
        }
    }
}

function hasClass(element,_className){
    if(!element){
        return;
    }
    var upperClass=_className.toUpperCase();
    if(element.className){
        var classes=element.className.split(' ');
        for(var i=0;i<classes.length;i++){
            if(classes[i].toUpperCase()==upperClass){
                return true;
            }
        }
    }
    return false;
}
function addClass(element,_class)
{

	
if(!hasClass(element,_class))
    {
    element.className+=element.className?(" "+_class):_class;
    }
}

function removeClass(element,_class)
{
    var upperClass=_class.toUpperCase();
    var remainingClasses=[];
    if(element.className)
    {
        var classes=element.className.split(' ');
        for(var i=0;i<classes.length;i++)
        {
            if(classes[i].toUpperCase()!=upperClass)
            {
                remainingClasses[remainingClasses.length]=classes[i];
            }
        }
        element.className=remainingClasses.join(' ');
    }
}

function onmover()
{ 
    if(hasVoted)
        document.getElementById('hoverMessage').style.visibility = 'visible';
    else 
        colorStars(nr1);
}

function onmout() 
{
    colorStars(rating_value);
    document.getElementById('hoverMessage').style.visibility = 'hidden';
}