var Flag = true;

sen=5000;
window.onload=function blink() {
if (document.all){

	for (i=0;i<document.all.tags("BLINK").length;i++){
	 	obj = document.all.tags("BLINK")(i);
		if (Flag) {obj.style.visibility = "hidden";}
		else{obj.style.visibility = "visible";}
	}

	Flag=!Flag;
if(sen == 100){sen=5000;}else{sen=100;}
	setTimeout("blink()", sen);

}else if(document.getElementById && navigator.userAgent.indexOf('Safari')!=-1){

var BlinkTag = document.getElementsByTagName("blink"); 

   for(var i = 0; i < BlinkTag.length; i++)
   {
           if (Flag) BlinkTag[i].style.visibility = 'hidden';
      else if(!Flag) BlinkTag[i].style.visibility = 'visible';
   }

	Flag=!Flag;
if(sen == 100){sen=5000;}else{sen=100;}
	setTimeout(blink, sen);

}

}