var temp = new Array;
var number = 0;
function PreLoad(image_name) {       
        if (document.images) {
			temp[number] = new Image();
			temp[number].src = image_name;
			tr = number;
			number++;
			return tr;      
        }
}

PreLoad('img/a_star1_<? echo $lang ?>.gif');
PreLoad('img/a_star2_<? echo $lang ?>.gif');
PreLoad('img/a_star3_<? echo $lang ?>.gif');
PreLoad('img/a_star4_<? echo $lang ?>.gif');
PreLoad('img/a_star5_<? echo $lang ?>.gif');


function imgOn(name,lang,what) {
        if (document.images) {			
            document[name].src = 'img/a_'+name+'_'+lang+'.gif';
        }
}


function imgOff(name,lang,what) {
        if (document.images) {
            document[name].src = 'img/b_'+name+'_'+lang+'.gif';
        }
}