function blinker(){
	var strCode
	var time=20000;
	var blink_time=750;
	
	if(document.getElementById('but3b') != "undefined" && document.getElementById('but3b') != null) {
		if(document.all){
			strCode="document.all.but3b.style.background=\"url('/images/sourceimage/blink.jpg') top center no-repeat\";";
		}else{
			strCode="document.getElementById('but3b').style.background=\"url('/images/sourceimage/blink.jpg') top center no-repeat\";";
		}
		setTimeout(strCode,time);
		for(var i=0; i< 600; i++){
			time+=blink_time;
			if(document.all){
				strCode="document.all.but3b.style.background=\"url(none)\";";
			}else{
				strCode="document.getElementById('but3b').style.background=\"url(none)\";";
			}
			setTimeout(strCode,time);
			time+=blink_time;
			if(document.all){
				strCode="document.all.but3b.style.background=\"url('/images/sourceimage/blink.jpg') top center no-repeat\";";
			}else{
				strCode="document.getElementById('but3b').style.background=\"url('/images/sourceimage/blink.jpg') top center no-repeat\";";
			}
			setTimeout(strCode,time);
		}
		time+=blink_time;
		if(document.all){
			var strCode="document.all.but3b.style.background=\"url(none)\";";
		}else{
			var strCode="document.getElementById('but3b').style.background=\"url(none)\";";
		}
		setTimeout(strCode,time);
		setTimeout("blinker()",time+1000);
	}
}