var imgLoop = window.setInterval("blinkImg()", 600)
var i = 0;
function blinkImg() {
        var obj = document.images['blinker1'];

        if (obj.style.visibility == 'hidden') {
                obj.style.visibility = '';
                i = i + 1;
        }
        else
                obj.style.visibility = 'hidden'
        if (i>=100) {
                window.clearInterval(imgLoop);
                obj.style.visibility = 'hidden'
        }
};
var imgLoop1 = window.setInterval("blinkImg1()", 600)
var k = 0;
function blinkImg1() {
        var obj = document.images['blinker2'];

        if (obj.style.visibility == 'hidden') {
                obj.style.visibility = '';
                k = k + 1;
        }
        else
                obj.style.visibility = 'hidden'
        if (k>=100) {
                window.clearInterval(imgLoop1);
                obj.style.visibility = 'hidden'
        }
};