window.onload = function(){
// passage time
var pass = 148;
 
// display content
var content = "[New!!]";
 
var currentDate = new Date(); 
var spans = document.getElementsByTagName("span");
	for (i = 0; i < spans.length; i++) {
		if(spans[i].getAttribute("class") == "new" ||
		   spans[i].getAttribute("className") == "new") {
			time = spans[i].childNodes[0].nodeValue.split(":");
			var entryDate = new Date(time[0], time[1]-1, time[2], time[3], time[4], time[5]); 
			var now = (entryDate.getTime() - currentDate.getTime())/(60*60*1000); 
			now = Math.ceil(now);
			if(-now <= pass){
				spans[i].innerHTML = content;
				spans[i].style.display = "inline";
			}
		}
	}
}