var spe=400;
var NameOfYourTags="mi";
var freq=1;
var swi=1;
var na=document.getElementsByName(NameOfYourTags);

bringBackBlinky();

function bringBackBlinky() 
	{
    
	if (swi == 1) {
		sho="visible";
		swi=0;
		freq++;
		}
		else {
		sho="hidden";
		swi=1;
		}

	for(i=0;i<na.length;i++) {
			na[i].style.visibility=sho;
		}
	if(freq < 5){
		setTimeout("bringBackBlinky()", spe);
	}else if (freq >4){sho="visible";}
	}