var root = document.getElementById('hid_Root').value;
var star_on  = root + 'images/star_on.gif';
var star_off = root + 'images/star_off.gif';
var star_haft= root + 'images/star_on_haft.gif';
var click = 0;
var i_rate = 0;

function show_star(starNum)
{
    full_star(starNum);
    remove_star(starNum);    	
}
function click_star(starNum)
{
    show_star(starNum);
    i_rate = starNum;
    click = 1;
}
function clear_star(IsMod,starNum,rate)
{    
    if(click==1)
    {
        click = 0;
        return;
    }
    if(i_rate >= rate) rate = i_rate;
	//for (var i = 0; i < starNum; i++)
	for (var i = 0; i < 5; i++)
    {                        
        if ((i + 1) <= rate) document.getElementById('star_'  + "_" + (i+1)).src = star_on;
        else
        {
            if (IsMod == 1)
            {
                document.getElementById('star_'  + "_" + (i+1)).src = star_haft;
                IsMod = 0;
            }
            else document.getElementById('star_'  + "_" + (i+1)).src = star_off;
        }                    
    }    
}
function full_star(starNum) 
{
	for (var i=0; i < starNum; i++)
		document.getElementById('star_'  + "_" + (i+1)).src = star_on;
}

function remove_star(starNum) {
	for (var i=starNum; i < 5; i++)
	    document.getElementById('star_' +"_"  + (i+1)).src = star_off;
	    	
}