display.js

这是一个简单的基于Ajax和DWR实现的无刷新在线实时聊天程序

function overInput(a){
	getId("btn").style.border = "1px solid #54ce43"
	getId("inputs").style.border = "1px solid #54ce43"
	focs()
}
function outInput(a){
	getId("btn").style.border = "1px solid #AAA"
	getId("inputs").style.border = "1px solid #AAA"
	focs()
}
function overBtn(a){
	a.src = "images/hover.gif"
}
function outBtn(a){
	a.src = "images/rest.gif"
}
function lrover(a){
	a.style.backgroundColor = "#EEE"
}
function lrout(a){
	a.style.backgroundColor = "#FFF"	
}
function focs(){
	getName("inputs").focus();
}
function clean(){
	getName("inputs").value = ""
}
var chats = new Array()
var chatStart
function addChat(strChat){
	if(chats.length > 199){
		chats.shift()
	}
	chats.push(strChat)
	chatStart = chats.length
}
function preChat(){
	if(chatStart && chatStart >= 1){
		if(chatStart == 1){
			getName("inputs").value = chats[0]
			chatStart = 0.5
		}else{
			chatStart -= 1
			getName("inputs").value = chats[chatStart]
		}
	}
	getId("loadifo").innerHTML = chatStart+","+chats.length
}
function nextChat(){
	if(chatStart && chatStart < chats.length && chats.length > 1){
		if(chatStart == 0.5){
			chatStart = 1
		}else if(chatStart == chats.length - 1){
			chatStart = chats.length - 1
		}else{
			chatStart += 1
		}
		getName("inputs").value = chats[chatStart]
	}
	getId("loadifo").innerHTML = chatStart+","+chats.length
}